内容正文:
专题02 情态动词 & 固定句型专项精讲(期中复习讲义)
内 容 导 航
考情透视·目标导航 透析泉州期中考向,锚定备考重心
知识梳理·方法技巧 梳理核心脉络,扫除知识盲区
知识点01 核心情态动词 should/shouldn't/must/mustn't/can/can't 用法
知识点02 There be 句型全考点精讲
知识点03 It's + 形容词 + (for sb.) + to do sth. 形式主语固定句型
知识点04 期中高频易混情态动词辨析
考场练兵·分层实战 阶梯实战演练,验收复习成效
考情透视·目标导航
常考题型
内容要点
泉州统考命题趋势
单项选择
完形填空
短文填词
情景交际
书面表达
1. 情态动词 should/shouldn't 表建议、义务的用法;
2. 情态动词 must/mustn't 表强制、禁止的用法;
3. 情态动词 can/can't 表能力、许可的用法;
4. There be 句型的就近原则、全句式变形及时态变化;
5. It's + adj. + (for sb.) + to do sth. 固定句型的用法与写作应用
1. 语境化考查为核心:不再孤立考查语法规则,100% 结合仁爱科普版三大单元主题语境 ——Unit8 环保建议、Unit7 购物请求、Unit9 出行许可与指路,在真实场景中考查情态动词与固定句型的应用;
2. 易错点高频考查:重点考查 must 提问的否定回答、There be 句型与 have/has 的混用、固定句型中不定式的用法,是期中单选、短文填词的高频失分点;
3. 跨题型综合考查:单选、情景交际以基础辨析为主,短文填词重点考查情态动词后接动词原形的规则、There be 句型的 be 动词变形,书面表达要求用情态动词提建议、用固定句型丰富句式,是期中全卷核心语法考点。
单元贴合度说明
本语法点为仁爱科普版七年级下册Unit8 Our Blue Planet 核心语法,同时贯穿 Unit7 购物场景请求许可、Unit9 出行场景指路祈使句的配套用法,是泉州期中统考必考语法点,近 3 年泉州七下期中真题考查占比 6-10 分,是语法模块第二大高频考点。
知识梳理·方法技巧
知识点01 核心情态动词 should/shouldn't/must/mustn't/can/can't 用法
情态动词
核心含义
用法场景
单元高频例句
should
应该;应当
表责任、义务、建议,语气委婉,是环保主题写作核心词
We should save water and electricity. 我们应该节约用水用电。
We should plant more trees to protect the earth. 我们应该种更多树保护地球。
shouldn't
不应该;不应当
表不赞同、不应该做的事,是 should 的否定形式
We shouldn't throw rubbish everywhere. 我们不应该到处扔垃圾。
We shouldn't waste food. 我们不应该浪费食物。
must
必须;一定
表强制要求、责任,语气强,表说话人认为必须做的事
We must stop polluting the river. 我们必须停止污染河流。
You must follow the traffic rules. 你必须遵守交通规则。
mustn't
禁止;严禁
表明令禁止、绝对不允许做的事,语气极强,是 must 的否定形式
You mustn't pick flowers in the park. 严禁在公园里摘花。
You mustn't cross the road when the traffic light is red. 严禁红灯时过马路。
can
能;会;可以
表能力、许可、请求,语气委婉
We can reuse cloth bags instead of plastic bags. 我们可以重复使用布袋代替塑料袋。
Can I try on this shirt? 我可以试穿这件衬衫吗?
can't
不能;不可以;不会
表没有能力、不被许可,是 can 的否定形式
We can't live without water. 没有水我们无法生存。
You can't park your car here. 你不能在这里停车。
典例01
We ______ protect our blue planet, because it's our only home.
A. should B. shouldn't C. can't
【答案】A
【解析】句意:我们应该保护我们的蓝色星球,因为它是我们唯一的家园。考查情态动词用法。should 应该,表责任和义务,贴合环保主题语境;shouldn't 不应该,can't 不能,均不符合句意。故选 A。
典例02
(2025・七年级下・泉州鲤城期中)
— ______ I use your dictionary? I want to look up a new word.
— Sure, here you are.
A. Must B. Should C. Can
【答案】C
【解析】句意:—— 我可以用一下你的字典吗?我想查一个新单词。—— 当然,给你。考查情态动词表请求许可。can 用于委婉的请求许可;must 必须,should 应该,均不符合请求的语境。故选 C。
典例03
— Must I finish my homework now, Mum?
— No, you ______. You can finish it after dinner.
A. mustn't B. needn't C. can't
【答案】B
【解析】句意:—— 妈妈,我必须现在完成作业吗?—— 不,你不必。你可以晚饭后完成。考查 must 提问的否定回答。must 引导的一般疑问句,否定回答用 needn't/don't have to,表 “不必”;mustn't 表 “禁止”,不符合语境。故选 B。
易|错|警|示
1.所有情态动词后必须接动词原形,期中高频错误:We should to protect the earth. 正确形式:We should protect the earth.
2.must 提问的一般疑问句,否定回答不能用 mustn't,mustn't 表 “禁止”,表 “不必” 要用 needn't/don't have to,是期中单选必考易错点。
3.can 表请求许可时,比 may 更口语化,期中情景交际题中,请求许可优先用 can,提建议优先用 should,表强制禁止用 mustn't。
即时检测
1.(2025・七年级下・泉州丰泽期中)You ______ throw rubbish into the lake. It's bad for the water.
A. should B. mustn't C. can
【答案】B
【解析】句意:你严禁往湖里扔垃圾,这对水质有害。考查情态动词用法。mustn't 表禁止,符合语境;should 应该,can 可以,均不符合句意。
2.— Should we turn off the tap when we brush our teeth?
— Yes, we ______. It's a good way to save water.
【答案】should
【解析】句意:—— 我们刷牙时应该关掉水龙头吗?—— 是的,我们应该。这是节约用水的好方法。should 引导的一般疑问句,肯定回答用 Yes, we should.
3.We ______ reuse old textbooks instead of throwing them away.(用 should/can/mustn't 填空,贴合环保主题)
【答案】should/can
【解析】句意:我们应该 / 可以重复使用旧课本,而不是扔掉它们。should 表建议,can 表可以,均符合语境。
4.翻译句子:我们必须停止砍伐太多的树木。
【答案】We must stop cutting down too many trees.
5.— Can I park my car here?
— No, you ______. Look at the sign "No Parking".
【答案】can't/mustn't
【解析】句意:—— 我可以在这里停车吗?—— 不,你不能 / 严禁。看这个 “禁止停车” 的标志。can't 表不被许可,mustn't 表禁止,均符合语境。
知识点02 There be 句型全考点精讲
There be 句型表 “某地存在某物 / 某人”,强调 “存在关系”,是仁爱科普版七下 Unit8 环保主题核心语法,泉州期中统考必考考点。
一、核心结构与就近原则
1.基本结构:There + be 动词 + 主语 + 地点状语
地点状语通常由 in/at/on + 地点构成,表 “在某地”
2.核心规则:就近原则——be 动词的单复数形式,由离它最近的主语的单复数决定,和后面的其他主语无关
主语情况
be 动词选择
单元高频例句
单数可数名词 / 不可数名词
is
There is a lot of water pollution in the river. 河里有很多水污染。
There is a supermarket near my home. 我家附近有一家超市。
复数可数名词
are
There are many trees in the park. 公园里有很多树。
There are 3 bus stops on this street. 这条街上有 3 个公交站。
多个并列主语
由离 be 最近的主语决定
There is a pen and two books on the desk. 桌子上有一支笔和两本书。
There are two books and a pen on the desk. 桌子上有两本书和一支笔。
二、全句式变形
句式
结构规则
单元高频例句
肯定句
There is/are + 主语 + 地点
There are many animals in the forest. 森林里有很多动物。
否定句
There is/are + not + 主语 + 地点is not=isn't;
are not=aren't否定句中 some 要改为 any
There isn't any milk in the fridge. 冰箱里没有牛奶了。
There aren't any people in the park at night. 晚上公园里没有人。
一般疑问句
Is/Are + there + 主语 + 地点?
肯定回答:Yes, there is/are.
否定回答:No, there isn't/aren't.
疑问句中 some 要改为 any
— Are there any fish in the lake? 湖里有鱼吗?
— Yes, there are. / No, there aren't.
特殊疑问句
特殊疑问词 + 一般疑问句?
How many students are there in your class? 你们班有多少学生?
What is there in the box? 盒子里有什么?
典例01
(2025・七年级下・泉州南安期中)
There ______ a lot of air pollution in the city now.
A. is B. are C. have
【答案】A
【解析】句意:现在城市里有很多空气污染。考查 There be 句型。主语 pollution 是不可数名词,be 动词用 is;There be 句型不能和 have 连用。故选 A。
典例02
— ______ there any clean water in the bottle?
— No, there ______.
A. Is; isn't B. Are; aren't C. Is; is
【答案】A
【解析】句意:—— 瓶子里有干净的水吗?—— 不,没有。考查 There be 句型的一般疑问句。主语 water 是不可数名词,be 动词用 is;否定回答用 No, there isn't. 故选 A。
易|错|警|示
1.There be 句型绝对不能和 have/has 连用
期中高频错误:There have many trees in the park.
正确形式:There are many trees in the park.
核心区别:
There be 表 “某地存在某物”,强调存在关系;
have/has 表 “某人 / 某物拥有”,强调所属关系,主语必须是人 / 有生命的事物。
2.不可数名词(pollution/rubbish/water/money)作主语时,be 动词永远用 is,不能用 are。
3.否定句和一般疑问句中,some 必须改为 any,期中短文填词高频出错点。
即时检测
1.There ______ a dog and three cats in the yard.(用 is/are 填空)
【答案】is
【解析】考查就近原则,离 be 动词最近的主语 a dog 是单数,be 动词用 is。
2.改写句子:There are some flowers in the garden.(改为否定句)
【答案】There aren't any flowers in the garden.
3.— Are there any students in the classroom?
— Yes, ______.
【答案】there are
【解析】There be 句型一般疑问句的肯定回答,用 Yes, there are.
4.There ______ too much rubbish in the street. We should clean it up.
A. is B. are C. have
【答案】A
【解析】主语 rubbish 是不可数名词,be 动词用 is,There be 句型不能和 have 连用。
5.翻译句子:我们学校有一个大的绿色操场。
【答案】There is a big green playground in our school.。
知识点03 It's + 形容词 + (for sb.) + to do sth. 形式主语固定句型
本句型是仁爱科普版七下期中书面表达万能句型,同时是单选高频考点,100% 贴合 Unit8 环保主题、Unit7 购物主题、Unit9 出行主题的写作应用。
一、核心结构与用法
1.基本结构:It's + 形容词 + (for sb.) + to do sth.
①it 是形式主语,无实际含义,真正的主语是后面的 to do 不定式,避免句子头重脚轻
②for sb. 表 “对某人来说”,sb. 用宾格形式
③句中的形容词通常是描述事物性质的词:important/necessary/easy/difficult/helpful/good/bad 等
2.期中高频拓展结构:It's + 形容词 + of sb. + to do sth.
用于形容词描述人的品质、性格:kind/nice/friendly/clever/polite 等
例:It's kind of you to help me. 你能帮我真是太好了。
结构
单元高频例句
期中写作应用场景
It's + adj. + to do sth.
It's important to protect our blue planet. 保护我们的蓝色星球很重要。
环保主题写作开头 / 结尾
It's + adj. + for sb. + to do sth.
It's easy for us to live a green life. 对我们来说,践行绿色生活很容易。
环保、学习主题写作
It's + adj. + of sb. + to do sth.
It's helpful of you to pick up the rubbish. 你捡起垃圾真是太热心了。
人物品质描述、情景交际
典例01
(2025・七年级下・泉州石狮期中)
It's important ______ the wild animals in danger.
A. protect B. to protect C. protecting
【答案】B
【解析】句意:保护濒危野生动物很重要。考查固定句型 It's + adj. + to do sth.,真正的主语是 to do 不定式,必须用 to protect。故选 B。
典例02
It's very kind ______ you to give me so much help.
A. for B. of C. to
【答案】B
【解析】句意:你给了我这么多帮助,真是太好了。考查固定句型。形容词 kind 描述人的品质,用 of sb. 结构。故选 B。
解|题|技|巧
期中单选快速判断 for/of 的方法:
把形容词和 sb. 连起来,能组成通顺的句子,就用 of;不能就用 for。
例:You are kind. 通顺 → It's kind of you...
例:You are easy. 不通顺 → It's easy for you...
即时检测
1.It's our duty ______ (keep) our city clean and tidy.
【答案】to keep
【解析】考查固定句型 It's + 名词 + to do sth.,用不定式 to keep。
2.翻译句子:对我们来说,节约用水是很有必要的。
【答案】It's necessary for us to save water.
3.It's difficult ______ the little boy ______ the heavy box.
A. for; carry B. for; to carry C. of; to carry
【答案】B
【解析】句意:对这个小男孩来说,搬这个重箱子很难。形容词 difficult 描述事物,用 for sb.,后面接 to do 不定式。故选 B。
4.改写句子:To learn English well is very important.(用 it 作形式主语改写)
【答案】It's very important to learn English well.
5.It's polite ______ you to say "Excuse me" when you ask for the way.
A. of B. for C. to
【答案】A
【解析】形容词 polite 描述人的品质,用 of sb. 结构。
.知识点04 期中高频易混情态动词辨析「★拓展选讲」
本知识点是泉州期中统考单选拔高题高频考点,针对易混情态动词进行精准区分,解决学生语境中选错的问题。
易混情态动词
核心区别
例句对比
must & have to
must:表主观上 “必须”,强调说话人的主观看法
have to:表客观上 “不得不”,强调客观条件的要求
I must study hard for the exam. 我必须为了考试努力学习。(主观意愿)
I have to get up early to catch the first bus. 我不得不早起赶首班公交。(客观要求)
can & may
can:表请求许可,口语化,日常场景通用
may:表请求许可,更正式、更委婉,书面语 / 正式场景用
Can I use your ruler? 我能用一下你的尺子吗?(日常口语)
May I come in? 我可以进来吗?(正式场景)
can't & mustn't
can't:表 “不能、不可以”,语气较弱,表不被许可、没有能力
mustn't:表 “禁止、严禁”,语气极强,表明令禁止的行为
You can't take the book out of the library. 你不能把书带出图书馆。(规则要求,语气平和)
You mustn't drive after drinking. 严禁酒后驾车。(法律明令禁止,语气极强)
典例01
We ______ stay at home, because it's raining heavily outside.
A. must B. have to C. can
【答案】B
【解析】句意:我们不得不待在家里,因为外面雨下得很大。考查情态动词辨析。下雨是客观条件,迫使我们待在家里,用 have to 表客观上的不得不;must 表主观必须,不符合语境。故选 B。
即时检测
1.— ______ I leave the classroom now?
— No, you mustn't. You should finish your homework first.
A. Must B. May C. Need
【答案】B
【解析】句意:—— 我现在可以离开教室吗?—— 不,你不能。你应该先完成作业。may 表正式的请求许可,符合语境。
2.My mother is ill, so I ______ look after her at home.
A. must B. have to C. can
【答案】B
【解析】妈妈生病是客观情况,迫使我在家照顾她,用 have to。
考场练兵·分层实战
基础通关练(测试时间:10 分钟 满分 10 分)
1.(2025・七年级下・泉州晋江期中)We ______ save water. It's very important for our life.
A. should B. shouldn't C. can't
【答案】A
【解析】should意为“应该”,用于提出建议或义务。根据句意“我们应该节约用水,这对我们的生活非常重要”,此处应选should。
2.There ______ a book and two pens on the desk.
A. is B. are C. have
【答案】A
【解析】there be句型遵循“就近原则”,即be动词的单复数形式由离它最近的名词决定。本句中离be动词最近的名词是a book,为单数,所以be动词用is。
3.It's good for us ______ more trees in spring.
A. plant B. to plant C. planting
【答案】B
【解析】It's good for sb. to do sth.是固定句型,意为“做某事对某人有好处”。所以此处应选to plant。
4.— Must I clean the room now?
— No, you ______. You can do it this afternoon.
A. mustn't B. can't C. needn't
【答案】C
【解析】must引导的一般疑问句,否定回答用needn't或don't have to,意为“不必”。根据答语“你可以今天下午做”,可知此处应选needn't。
5.— ______ I borrow your pen?
— Sure, here you are.
A. Can B. Must C. Should
【答案】A
【解析】can用于请求许可,意为“可以”。根据答语“当然,给你”,可知此处是请求借用钢笔,应选Can。
6.There ______ any milk in the fridge. We need to buy some.
A. is B. isn't C. aren't
【答案】B
【解析】根据后一句“我们需要买一些”,可知冰箱里没有牛奶了。milk是不可数名词,所以there be句型的否定形式用isn't。
7.You ______ cross the road when the traffic light is red. It's very dangerous.
A. mustn't B. needn't C. should
【答案】A
【解析】mustn't意为“禁止,不可以”,用于表示强烈的禁止。根据句意“红灯时你不可以过马路,非常危险”,此处应选mustn't。
8.It's very nice ______ you to help me with my English.
A. for B. of C. to
【答案】B
【解析】It's nice of sb. to do sth.是固定句型,意为“某人做某事真好”。此处形容人的品质,所以用of。
9.There ______ many beautiful flowers in the park.
A. is B. are C. have
【答案】B
【解析】there be句型中,be动词的单复数形式由后面的名词决定。本句中名词是many beautiful flowers,为复数,所以be动词用are。
10.We ______ reuse shopping bags to protect the environment.
A. can B. can't C. mustn't
【答案】A
【解析】can意为“可以,能够”,用于提出建议。根据句意“我们可以重复使用购物袋来保护环境”,此处应选can。
重难突破练(测试时间:15 分钟 满分 10 分)
1.(2025・七年级下・泉州鲤城期中)There ______ a sports meeting in our school next week.
A. is going to be B. is going to have C. are going to be
【答案】A
【解析】考查there be句型的一般将来时。there be句型的一般将来时结构为“there is/are going to be”或“there will be”,不能与have连用,排除B选项;主语a sports meeting是单数,所以用is going to be,故选A。
2.It's important for everyone ______ the traffic rules.
A. follow B. to follow C. following
【答案】B
【解析】考查固定句型。It's important for sb. to do sth.是固定句型,意为“对某人来说做某事是重要的”,其中it是形式主语,真正的主语是后面的动词不定式,故选B。
3. — ______ is there in the box?
— There is a new basketball in it.
A. What B. How many C. Where
【答案】A
【解析】考查特殊疑问句。根据答语“There is a new basketball in it.”可知,问句是询问盒子里有什么,what意为“什么”,符合语境;how many意为“多少”,用于询问数量;where意为“哪里”,用于询问地点,故选A。
4.You ______ be quiet in the library. You can't talk loudly.
A. can B. must C. may
【答案】B
【解析】考查情态动词。根据“You can't talk loudly.”可知,在图书馆必须保持安静,must意为“必须”,符合语境;can意为“能够”;may意为“可以”,故选B。
5.We ______ walk to school instead of taking the car. It's good for the environment and our health.
A. should B. mustn't C. can't
【答案】A
【解析】考查情态动词。根据“It's good for the environment and our health.”可知,应该步行去上学,should意为“应该”,表示建议,符合语境;mustn't意为“禁止”;can't意为“不能”,故选A。
6. — How many students ______ in your class?
— There are 45 students in our class.
A. are there B. is there C. have there
【答案】A
【解析】考查there be句型的特殊疑问句。how many意为“多少”,后面接可数名词复数,students是可数名词复数,所以be动词用are,there be句型的特殊疑问句结构为“疑问词 + be动词 + there + 其他”,故选A。
7.It's difficult for the little girl ______ the big box.
A. carry B. to carry C. carrying
【答案】B
【解析】考查固定句型。It's difficult for sb. to do sth.是固定句型,意为“对某人来说做某事是困难的”,其中it是形式主语,真正的主语是后面的动词不定式,故选B。
8.You ______ take your pet into the supermarket. It's against the rules.
A. needn't B. can't C. should
【答案】B
【解析】考查情态动词。根据“It's against the rules.”可知,不能把宠物带进超市,can't意为“不能”,表示禁止,符合语境;needn't意为“不必”;should意为“应该”,故选B。
9.There ______ too much pollution in the world now. We should do something to stop it.
A. is B. are C. have
【答案】A
【解析】考查there be句型的主谓一致。pollution是不可数名词,所以be动词用is,there be句型表示“某地有某物”,不能与have连用,故选A。
10.It's very helpful ______ us to take notes in class.
A. of B. for C. to
【答案】B
【解析】考查固定句型。It's helpful for sb. to do sth.是固定句型,意为“对某人来说做某事是有帮助的”,其中it是形式主语,真正的主语是后面的动词不定式,故选B。
综合拓展练(短文填词・泉州统考题型 测试时间:10 分钟 满分 10 分)
阅读下面短文,根据语境、音标或所给单词的提示,在每个空格内填入一个恰当的词,要求所填的词意义准确、形式正确,使短文意思完整、行文连贯。
Our blue planet, the Earth, is our only home. But now, it is facing many problems. There 1 too much pollution around us. What 2 we do to protect it? Here are some ideas.
First, we 3 save water and electricity. We 4 leave the tap running when we brush our teeth. We should turn off the lights when we leave the room. Second, it's important 5 (plant) more trees. Trees can make the air clean and cool. We 6 cut down too many trees. Third, we 7 use cloth bags instead of plastic bags when we go shopping. It's bad for the environment to use too many plastic bags.
8 is our duty to look after our Earth. Everyone can do something to make it better. If we all work together, our planet 9 (become) more and more beautiful. We 10 never give up protecting our home.
【答案】
1. is 2. should 3. should 4. shouldn't 5. to plant 6. shouldn't 7. should 8. It 9. will become 10. should
【解析】
1. 考查there be句型,pollution是不可数名词,所以用is。
2. 考查情态动词should,表示建议,意为“我们应该做什么来保护它?”。
3. 考查情态动词should,表示建议,意为“我们应该节约用水和用电”。
4. 考查情态动词的否定形式,根据语境“刷牙时我们不应该让水龙头一直开着”,用shouldn't。
5. 考查固定句型It's important to do sth.,表示“做某事很重要”,所以填to plant。
6. 考查情态动词的否定形式,根据语境“我们不应该砍伐太多树木”,用shouldn't。
7. 考查情态动词should,表示建议,意为“我们购物时应该用布袋代替塑料袋”。
8. 考查固定句型It's one's duty to do sth.,表示“做某事是某人的责任”,所以填It。
9. 考查一般将来时,根据条件状语从句“if we all work together”,主句用一般将来时,所以填will become。
10. 考查情态动词should,表示建议,意为“我们永远不应该放弃保护我们的家园”。
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专题02 情态动词 & 固定句型专项精讲(期中复习讲义)
内 容 导 航
考情透视·目标导航 透析泉州期中考向,锚定备考重心
知识梳理·方法技巧 梳理核心脉络,扫除知识盲区
知识点01 核心情态动词 should/shouldn't/must/mustn't/can/can't 用法
知识点02 There be 句型全考点精讲
知识点03 It's + 形容词 + (for sb.) + to do sth. 形式主语固定句型
知识点04 期中高频易混情态动词辨析
考场练兵·分层实战 阶梯实战演练,验收复习成效
考情透视·目标导航
常考题型
内容要点
泉州统考命题趋势
单项选择
完形填空
短文填词
情景交际
书面表达
1. 情态动词 should/shouldn't 表建议、义务的用法;
2. 情态动词 must/mustn't 表强制、禁止的用法;
3. 情态动词 can/can't 表能力、许可的用法;
4. There be 句型的就近原则、全句式变形及时态变化;
5. It's + adj. + (for sb.) + to do sth. 固定句型的用法与写作应用
1. 语境化考查为核心:不再孤立考查语法规则,100% 结合仁爱科普版三大单元主题语境 ——Unit8 环保建议、Unit7 购物请求、Unit9 出行许可与指路,在真实场景中考查情态动词与固定句型的应用;
2. 易错点高频考查:重点考查 must 提问的否定回答、There be 句型与 have/has 的混用、固定句型中不定式的用法,是期中单选、短文填词的高频失分点;
3. 跨题型综合考查:单选、情景交际以基础辨析为主,短文填词重点考查情态动词后接动词原形的规则、There be 句型的 be 动词变形,书面表达要求用情态动词提建议、用固定句型丰富句式,是期中全卷核心语法考点。
单元贴合度说明
本语法点为仁爱科普版七年级下册Unit8 Our Blue Planet 核心语法,同时贯穿 Unit7 购物场景请求许可、Unit9 出行场景指路祈使句的配套用法,是泉州期中统考必考语法点,近 3 年泉州七下期中真题考查占比 6-10 分,是语法模块第二大高频考点。
知识梳理·方法技巧
知识点01 核心情态动词 should/shouldn't/must/mustn't/can/can't 用法
情态动词
核心含义
用法场景
单元高频例句
should
应该;应当
表责任、义务、建议,语气委婉,是环保主题写作核心词
We should save water and electricity. 我们应该节约用水用电。
We should plant more trees to protect the earth. 我们应该种更多树保护地球。
shouldn't
不应该;不应当
表不赞同、不应该做的事,是 should 的否定形式
We shouldn't throw rubbish everywhere. 我们不应该到处扔垃圾。
We shouldn't waste food. 我们不应该浪费食物。
must
必须;一定
表强制要求、责任,语气强,表说话人认为必须做的事
We must stop polluting the river. 我们必须停止污染河流。
You must follow the traffic rules. 你必须遵守交通规则。
mustn't
禁止;严禁
表明令禁止、绝对不允许做的事,语气极强,是 must 的否定形式
You mustn't pick flowers in the park. 严禁在公园里摘花。
You mustn't cross the road when the traffic light is red. 严禁红灯时过马路。
can
能;会;可以
表能力、许可、请求,语气委婉
We can reuse cloth bags instead of plastic bags. 我们可以重复使用布袋代替塑料袋。
Can I try on this shirt? 我可以试穿这件衬衫吗?
can't
不能;不可以;不会
表没有能力、不被许可,是 can 的否定形式
We can't live without water. 没有水我们无法生存。
You can't park your car here. 你不能在这里停车。
典例01
We ______ protect our blue planet, because it's our only home.
A. should B. shouldn't C. can't
典例02
(2025・七年级下・泉州鲤城期中)
— ______ I use your dictionary? I want to look up a new word.
— Sure, here you are.
A. Must B. Should C. Can
典例03
— Must I finish my homework now, Mum?
— No, you ______. You can finish it after dinner.
A. mustn't B. needn't C. can't
易|错|警|示
1.所有情态动词后必须接动词原形,期中高频错误:We should to protect the earth. 正确形式:We should protect the earth.
2.must 提问的一般疑问句,否定回答不能用 mustn't,mustn't 表 “禁止”,表 “不必” 要用 needn't/don't have to,是期中单选必考易错点。
3.can 表请求许可时,比 may 更口语化,期中情景交际题中,请求许可优先用 can,提建议优先用 should,表强制禁止用 mustn't。
即时检测
1.(2025・七年级下・泉州丰泽期中)You ______ throw rubbish into the lake. It's bad for the water.
A. should B. mustn't C. can
2.— Should we turn off the tap when we brush our teeth?
— Yes, we ______. It's a good way to save water.
3.We ______ reuse old textbooks instead of throwing them away.(用 should/can/mustn't 填空,贴合环保主题)
4.翻译句子:我们必须停止砍伐太多的树木。
5.— Can I park my car here?
— No, you ______. Look at the sign "No Parking".
知识点02 There be 句型全考点精讲
There be 句型表 “某地存在某物 / 某人”,强调 “存在关系”,是仁爱科普版七下 Unit8 环保主题核心语法,泉州期中统考必考考点。
一、核心结构与就近原则
1.基本结构:There + be 动词 + 主语 + 地点状语
地点状语通常由 in/at/on + 地点构成,表 “在某地”
2.核心规则:就近原则——be 动词的单复数形式,由离它最近的主语的单复数决定,和后面的其他主语无关
主语情况
be 动词选择
单元高频例句
单数可数名词 / 不可数名词
is
There is a lot of water pollution in the river. 河里有很多水污染。
There is a supermarket near my home. 我家附近有一家超市。
复数可数名词
are
There are many trees in the park. 公园里有很多树。
There are 3 bus stops on this street. 这条街上有 3 个公交站。
多个并列主语
由离 be 最近的主语决定
There is a pen and two books on the desk. 桌子上有一支笔和两本书。
There are two books and a pen on the desk. 桌子上有两本书和一支笔。
二、全句式变形
句式
结构规则
单元高频例句
肯定句
There is/are + 主语 + 地点
There is/are going to be + 主语 / There will be + 主语
There are many animals in the forest. 森林里有很多动物。
There is going to be an environmental protection speech in our school next week.下周我们学校将举办一场环保主题演讲。
否定句
There is/are + not + 主语 + 地点is not=isn't;
are not=aren't否定句中 some 要改为 any
There isn't any milk in the fridge. 冰箱里没有牛奶了。
There aren't any people in the park at night. 晚上公园里没有人。
一般疑问句
Is/Are + there + 主语 + 地点?
肯定回答:Yes, there is/are.
否定回答:No, there isn't/aren't.
疑问句中 some 要改为 any
— Are there any fish in the lake? 湖里有鱼吗?
— Yes, there are. / No, there aren't.
特殊疑问句
特殊疑问词 + 一般疑问句?
How many students are there in your class? 你们班有多少学生?
What is there in the box? 盒子里有什么?
典例01
(2025・七年级下・泉州南安期中)
There ______ a lot of air pollution in the city now.
A. is B. are C. have
典例02
— ______ there any clean water in the bottle?
— No, there ______.
A. Is; isn't B. Are; aren't C. Is; is
易|错|警|示
1.There be 句型绝对不能和 have/has 连用
期中高频错误:There have many trees in the park.
正确形式:There are many trees in the park.
核心区别:
There be 表 “某地存在某物”,强调存在关系;
have/has 表 “某人 / 某物拥有”,强调所属关系,主语必须是人 / 有生命的事物。
2.不可数名词(pollution/rubbish/water/money)作主语时,be 动词永远用 is,不能用 are。
3.否定句和一般疑问句中,some 必须改为 any,期中短文填词高频出错点。
即时检测
1.There ______ a dog and three cats in the yard.(用 is/are 填空)
2.改写句子:There are some flowers in the garden.(改为否定句)
3.— Are there any students in the classroom?
— Yes, ______.
4.There ______ too much rubbish in the street. We should clean it up.
A. is B. are C. have
5.翻译句子:我们学校有一个大的绿色操场。
知识点03 It's + 形容词 + (for sb.) + to do sth. 形式主语固定句型
本句型是仁爱科普版七下期中书面表达万能句型,同时是单选高频考点,100% 贴合 Unit8 环保主题、Unit7 购物主题、Unit9 出行主题的写作应用。
一、核心结构与用法
1.基本结构:It's + 形容词 + (for sb.) + to do sth.
①it 是形式主语,无实际含义,真正的主语是后面的 to do 不定式,避免句子头重脚轻
②for sb. 表 “对某人来说”,sb. 用宾格形式
③句中的形容词通常是描述事物性质的词:important/necessary/easy/difficult/helpful/good/bad 等
2.期中高频拓展结构:It's + 形容词 + of sb. + to do sth.
用于形容词描述人的品质、性格:kind/nice/friendly/clever/polite 等
例:It's kind of you to help me. 你能帮我真是太好了。
结构
单元高频例句
期中写作应用场景
It's + adj. + to do sth.
It's important to protect our blue planet. 保护我们的蓝色星球很重要。
环保主题写作开头 / 结尾
It's + adj. + for sb. + to do sth.
It's easy for us to live a green life. 对我们来说,践行绿色生活很容易。
环保、学习主题写作
It's + adj. + of sb. + to do sth.
It's helpful of you to pick up the rubbish. 你捡起垃圾真是太热心了。
人物品质描述、情景交际
典例01
(2025・七年级下・泉州石狮期中)
It's important ______ the wild animals in danger.
A. protect B. to protect C. protecting
典例02
It's very kind ______ you to give me so much help.
A. for B. of C. to
解|题|技|巧
期中单选快速判断 for/of 的方法:
把形容词和 sb. 连起来,能组成通顺的句子,就用 of;不能就用 for。
例:You are kind. 通顺 → It's kind of you...
例:You are easy. 不通顺 → It's easy for you...
即时检测
1.It's our duty ______ (keep) our city clean and tidy.
2.翻译句子:对我们来说,节约用水是很有必要的。
3.It's difficult ______ the little boy ______ the heavy box.
A. for; carry B. for; to carry C. of; to carry
4.改写句子:To learn English well is very important.(用 it 作形式主语改写)
5.It's polite ______ you to say "Excuse me" when you ask for the way.
A. of B. for C. to
.知识点04 期中高频易混情态动词辨析「★拓展选讲」
本知识点是泉州期中统考单选拔高题高频考点,针对易混情态动词进行精准区分,解决学生语境中选错的问题。
易混情态动词
核心区别
例句对比
must & have to
must:表主观上 “必须”,强调说话人的主观看法
have to:表客观上 “不得不”,强调客观条件的要求
I must study hard for the exam. 我必须为了考试努力学习。(主观意愿)
I have to get up early to catch the first bus. 我不得不早起赶首班公交。(客观要求)
can & may
can:表请求许可,口语化,日常场景通用
may:表请求许可,更正式、更委婉,书面语 / 正式场景用
Can I use your ruler? 我能用一下你的尺子吗?(日常口语)
May I come in? 我可以进来吗?(正式场景)
can't & mustn't
can't:表 “不能、不可以”,语气较弱,表不被许可、没有能力
mustn't:表 “禁止、严禁”,语气极强,表明令禁止的行为
You can't take the book out of the library. 你不能把书带出图书馆。(规则要求,语气平和)
You mustn't drive after drinking. 严禁酒后驾车。(法律明令禁止,语气极强)
典例01
We ______ stay at home, because it's raining heavily outside.
A. must B. have to C. can
即时检测
1.— ______ I leave the classroom now?
— No, you mustn't. You should finish your homework first.
A. Must B. May C. Need
2.My mother is ill, so I ______ look after her at home.
A. must B. have to C. can
考场练兵·分层实战
基础通关练(测试时间:10 分钟 满分 10 分)
1.(2025・七年级下・泉州晋江期中)We ______ save water. It's very important for our life.
A. should B. shouldn't C. can't
2.There ______ a book and two pens on the desk.
A. is B. are C. have
3.It's good for us ______ more trees in spring.
A. plant B. to plant C. planting
4.— Must I clean the room now?
— No, you ______. You can do it this afternoon.
A. mustn't B. can't C. needn't
5.— ______ I borrow your pen?
— Sure, here you are.
A. Can B. Must C. Should
6.There ______ any milk in the fridge. We need to buy some.
A. is B. isn't C. aren't
7.You ______ cross the road when the traffic light is red. It's very dangerous.
A. mustn't B. needn't C. should
8.It's very nice ______ you to help me with my English.
A. for B. of C. to
9.There ______ many beautiful flowers in the park.
A. is B. are C. have
10.We ______ reuse shopping bags to protect the environment.
A. can B. can't C. mustn't
重难突破练(测试时间:15 分钟 满分 10 分)
1.(2025・七年级下・泉州鲤城期中)There ______ a sports meeting in our school next week.
A. is going to be B. is going to have C. are going to be
2.It's important for everyone ______ the traffic rules.
A. follow B. to follow C. following
3. — ______ is there in the box?
— There is a new basketball in it.
A. What B. How many C. Where
4.You ______ be quiet in the library. You can't talk loudly.
A. can B. must C. may
5.We ______ walk to school instead of taking the car. It's good for the environment and our health.
A. should B. mustn't C. can't
6. — How many students ______ in your class?
— There are 45 students in our class.
A. are there B. is there C. have there
7.It's difficult for the little girl ______ the big box.
A. carry B. to carry C. carrying
8.You ______ take your pet into the supermarket. It's against the rules.
A. needn't B. can't C. should
9.There ______ too much pollution in the world now. We should do something to stop it.
A. is B. are C. have
10.It's very helpful ______ us to take notes in class.
A. of B. for C. to
综合拓展练(短文填词・泉州统考题型 测试时间:10 分钟 满分 10 分)
阅读下面短文,根据语境、音标或所给单词的提示,在每个空格内填入一个恰当的词,要求所填的词意义准确、形式正确,使短文意思完整、行文连贯。
Our blue planet, the Earth, is our only home. But now, it is facing many problems. There 1 too much pollution around us. What 2 we do to protect it? Here are some ideas.
First, we 3 save water and electricity. We 4 leave the tap running when we brush our teeth. We should turn off the lights when we leave the room. Second, it's important 5 (plant) more trees. Trees can make the air clean and cool. We 6 cut down too many trees. Third, we 7 use cloth bags instead of plastic bags when we go shopping. It's bad for the environment to use too many plastic bags.
8 is our duty to look after our Earth. Everyone can do something to make it better. If we all work together, our planet 9 (become) more and more beautiful. We 10 never give up protecting our home.
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