Unit 3 重点知识讲解 2025-2026学年仁爱科普版英语七年级上册

2026-01-19
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Unit3 Wrapping Up the Topic 重点知识点解析 1. What do you know about Greenland Middle School? 的用法 核心考点为know与know about的辨析。 · know:表“认识;知道(具体信息)”; · know about:表“了解(大致情况)”,常用搭配:know a lot about(很了解)、know a little about(有点了解)。 例句: I know her name.(我知道她的名字) I know a lot about her hobbies.(我很了解她的爱好) 2. Students can learn a lot and have great fun here. 的用法 核心考点为a lot/lots of的用法、have fun的搭配。 ① a lot/lots of: · a lot:作代词(充宾语)或副词(修饰动词),表“许多;非常”; · lots of = a lot of:修饰可数/不可数名词,表“许多”。 ② have fun: 表“玩得高兴”,后接(in) doing sth.表“做某事很开心”。 例句: He talks a lot in class.(他上课话很多) There are lots of books in the library. They have fun playing basketball. 3. Welcome to find out more about our school! 的用法 核心考点为welcome的用法、find out的含义。 ① welcome的用法: · 作动词:表“欢迎”,常用welcome sb.; · 作形容词:表“受欢迎的”,常用be welcome to (do) sth.(被允许做某事); · 习语You're welcome!:表“不用谢”。 ② find out: 表“查明;弄清(真相/结果)”,强调经过调查后的发现。 例句: Welcome to our party! Please find out why he was late. 4. Here is the web page of our school... 的用法 核心考点为“of所有格”的用法。 名词所有格的两种形式: · 's所有格:多用于有生命的事物(如the boy's bag); · of所有格:多用于无生命的事物(如the web page of our school)。 部分结构可互换(如my brother's room = the room of my brother)。 5. —How often do you go to the club? 的用法 核心考点为how often的用法。 how often用于对“动作发生的频率”提问,回答常用频度副词(always/often)或“every+时间”(every Friday)。 例句: —How often do you exercise? —Twice a week. 6. Li Mei wants to know more about the past. 的用法 核心考点为want的搭配、past的词性。 ① want的搭配: want to do sth.(想要做某事)、want sth./sb.(想要某物/某人)。 ② past的用法: · 作名词:表“过去”,常用in the past(在过去); · 作介词:表“超过”(如half past seven,七点半)。 例句: I want to buy a new pen. We lived here in the past. 7. Jane is in the art club because she likes drawing. 的用法 核心考点为because的用法。 because是连词,表“因为”,引导原因状语从句,回答why引导的问句时必须用because。 例句: —Why do you like this book? —Because it's interesting. 8. Come and Meet the Writers! 的用法 核心考点为meet的含义、writer的词性。 · meet作动词:表“遇见;认识”,常用Nice to meet you.(见到你很高兴); · writer是write的名词形式,表“作家;作者”。 例句: I meet my friend at the park every day. Lu Xun is a great writer. 9. All are welcome! 的用法 核心考点为all的用法。 all作代词,表“所有;全部”: · 代替复数名词/代词时,谓语用复数; · 代替不可数名词时,谓语用单数。 例句: All of the students are here. All of the water is drunk. 10. You can learn about film-making from Mr. Zhang. 的用法 核心考点为learn about...from...的短语。 learn about...from...表“从……了解/学习……”。 例句: We learn about history from the teacher. ( 1 ) 学科网(北京)股份有限公司 $ Unit3 Exploring the Topic 重点知识点解析 1. It is a new building with two floors. 的用法 核心考点为building/floor的含义、介词with的用法。 ① building:build的名词形式,表“建筑物”;floor表“楼层”。 ② with作介词:表“具有;带有”,后接名词描述事物特征。 例句: The library is a tall building with five floors. She has a cat with blue eyes. 2. There are a lot of books in it. 的用法 核心考点为a lot of的用法、地点介词on/in/at的区别。 ① a lot of = lots of:可修饰可数/不可数名词;many修饰可数名词复数,much修饰不可数名词。 ② 地点介词: · on:在物体表面; · in:在物体内部/大地方; · at:在小地点/具体位置。 例句: There are a lot of flowers in the garden. We have class at the school hall. 3. There is a beautiful teaching building. 的用法 核心考点为动名词作定语、teach的搭配。 ① 动名词作定语:动词变v.-ing后修饰名词(如teaching building); ② teach的搭配:teach sb. sth.(教某人某事)、teach sb. to do sth.(教某人做某事)。 例句: We have a reading room in our school. Miss Li teaches us to draw. 4. Next to the playground, there is a small garden. 的用法 核心考点为next to与near的区别。 · next to:表“紧邻”,强调物体直接接触; · near:表“在附近”,强调距离近但不接触。 例句: The classroom is next to the office. My home is near the supermarket. 5. What time does the English club open? 的用法 核心考点为open的词性(动词/形容词)。 ① 作动词:表“打开;开放”,反义词close; ② 作形容词:表“敞开的;营业的”,反义词closed。 例句: The museum opens at 9 a.m. every day. The shop is open now. 6. Watch English Films 的用法 核心考点为watch/look/see的辨析。 · watch:表“观看(专注/欣赏)”,如看电视、比赛; · look:表“看(动作)”,后接at接宾语; · see:表“看见(结果)”,不用于进行时。 例句: I watch a movie every Friday. Look at the blackboard, please. I can see a bird in the tree. 7. Put on English Plays 的用法 核心考点为put on的含义、play的词性。 ① put on:表“举办;上演”,也可表“穿(动作)”; ② play:作动词表“玩耍/演奏”,作名词表“戏剧”。 例句: They put on a concert next week. Put on your coat—it’s cold. This is a funny play. 8. Our school life is fun and colorful. 的用法 核心考点为life/fun/colorful的用法。 ① life:表“生活”时可作可数/不可数名词,动词形式是live; ② fun:作名词表“乐趣”,作形容词表“有趣的”;funny表“滑稽的”; ③ colorful:表“丰富多彩的”。 例句: We live a happy life. Playing games is great fun. The party is colorful and interesting. 9. On the morning of every Monday, we raise the national flag. 的用法 核心考点为时间介词on/in的区别、raise的用法。 ① 时间介词: · on:具体某天的上午/下午(如on Monday morning); · in:泛指上午/下午(如in the morning); ② raise:表“举起;升起”,如raise a flag(升旗)、raise one’s hand(举手)。 例句: We have a meeting on the afternoon of May 1st. You can raise your hand to ask questions. 10. We start the first class at 8:00 a.m. every day. 的用法 核心考点为start/begin的辨析。 · 多数情况可通用; · start可表“发动/创办/出发”,begin无此用法。 例句: Let’s start/begin our lesson. He starts a new company this year. 11. We study many other subjects. 的用法 核心考点为other的搭配。 · many other + 复数名词:许多其他事物; · one...the other...:(两者中)一个……另一个……; · the others:其他全部。 例句: I have two pens. One is red, the other is blue. Some students are reading, and the others are writing. 12. We can make friends with other students. 的用法 核心考点为make friends with sb.的短语。 make friends with sb.表“与某人交朋友”。 例句: She likes to make friends with kind people. 13. Mike is an American boy. 的用法 核心考点为不定冠词a/an的用法。 · a:用于辅音音素开头的单词前; · an:用于元音音素开头的单词前(如an American)。 例句: This is a book. She is an honest girl. 语法讲解 (一)可数名词 名词分专有名词和普通名词,普通名词中可数名词有单数/复数形式,变化规则如下: 1. 规则变化: · 一般加s:toy→toys; · 以s/x/ch/sh结尾加es:bus→buses; · 辅音+y结尾,变y为i加es:city→cities; · 部分以f(e)结尾,变f(e)为v加es:knife→knives; · 以o结尾,多数加s,少数加es:photo→photos、tomato→tomatoes。 2. 不规则变化: · 单复数同形:Chinese→Chinese、sheep→sheep; · 变元音:man→men、foot→feet; · 特殊形式:child→children、mouse→mice。 (二)There be 句型 表“某地有某人/物”,核心用法如下: 1. 基本句型:There be + 人/物 + 地点状语(there无实义,be随主语变化)。 例:There is a book on the desk. 2. 主谓一致: · 主语是单数/不可数名词,用is;主语是复数,用are; · 并列主语遵循“就近原则”:There is a pen and two books on the desk. 3. 句式变化: · 一般疑问句:Be + there + 主语 + 地点?(回答用Yes, there is/are.); · 否定句:There be + not + 主语...(或There + no + 主语...); · 特殊疑问句: · 对主语提问:What’s + 地点?; · 对地点提问:Where + be + 主语?。 4. 与have/with的区别: · There be:表“存在”; · have:表“所属”; · with:表“带有”(作后置定语)。 例:I have a dog. / There is a dog in the room. / The girl with a dog is my sister. ( 1 ) 学科网(北京)股份有限公司 $ Unit3 Preparing for the Topic 重点知识点解析 1. The Chinese class begins at 8 o'clock. 的用法 核心考点为Chinese的词性、begin的用法。 ① Chinese的词性: · 作名词:表“中文(不可数)”“中国人(单复数同形)”; · 作形容词:表“中国的”,可作表语/定语。 ② begin的用法: 作不及物动词,表“开始”,后接活动/课程等。 例句: He can speak Chinese. She is a Chinese girl. Our math class begins at 9 o'clock. 2. The art class is over. 的用法 核心考点为over的短语搭配。 be over表“某事结束”,over为副词。 例句: School is over. Let's go home. The meeting is over now. 3. It's a quarter to three. 的用法 核心考点为时间表达法(含it表时间、quarter/to的含义)。 ① it表时间:可指代时间、天气等; ② quarter表“一刻钟”; ③ to表“差几分到几点”(用于分钟>30的情况)。 时间表达法: · 顺读法:“小时+分钟”(如7:10→seven ten); · 逆读法:≤30分用past(如8:15→a quarter past eight),>30分用to(如9:48→twelve to ten)。 例句: It's half past nine now. It's a quarter past four. 4. It's time for our Chinese class. 的用法 核心考点为It's time for sth.与It's time to do sth.的同义替换。 结构: · It's time for + 名词 · It's time to + 动词原形 均表“该做某事了”。 例句: It's time to have dinner. = It's time for dinner. It's time for us to clean the classroom. 5. It's my favorite subject. 的用法 核心考点为favorite的词性、like...best的同义转换。 ① favorite:作形容词表“最喜爱的”,作名词表“最喜爱的事物”; ② like...best与favorite可互换(如:I like PE best. = PE is my favorite subject.)。 例句: What's your favorite color? History is her favorite. 6. It's at half past two on Thursday afternoon. 的用法 核心考点为时间介词at/in/on的区别、时间表达顺序。 ① 介词区别: · at:具体时刻(如at 3 o'clock); · in:较长时间段(如in July); · on:具体时日/特定上午/下午(如on Monday)。 ② 时间顺序:小时间在前,大时间在后。 例句: We meet at 8:00 in the morning on Sunday. They have a party on the evening of New Year's Day. 7. They are talking about the way of going to school. 的用法 核心考点为talk about短语、现在进行时结构。 ① talk about:表“谈论某事”; ② 现在进行时:be + 动词-ing,表正在发生的动作。 例句: They are talking about their holiday plans. She is reading a book now. 8. How do you usually come to school? 的用法 核心考点为频度副词的用法、come与go的区别。 ① 频度副词:always/usually/often等是一般现在时标志,位置为“系动词/助动词后,行为动词前”; ② come表“来”,go表“去”,后接地点名词需加to(地点副词如here省略to)。 例句: He usually goes to the park on weekends. Come here and sit down. 9. My home is not very far, so I usually come here on foot. 的用法 核心考点为交通方式表达、far的搭配、so的用法。 ① 交通方式: · by + 交通工具(如by bus); · take + 交通工具(如take a bus); · 步行用on foot。 ② far的搭配:be far from表“离……远”; ③ so:作连词表“因此”,作副词表“很”。 例句: She goes to work by bike. = She rides a bike to work. My house is far from the supermarket, so I drive there. 10. There are no underground stops near my home. 的用法 核心考点为there be句型、no的用法、near的含义。 ① there be:表“某地有某物”,be动词与后接名词单复数一致; ② no:表“没有”,no + 名词 = not any/a + 名词; ③ near:作形容词/副词表“在附近”,反义词是far。 例句: There is no water in the bottle. = There isn't any water in the bottle. The library is near my school. 11. It's time for class. Let's go! 的用法 核心考点为let sb. do sth.结构、class的含义。 ① let sb. do sth.:表“让某人做某事”,do用动词原形; ② class:表“课/班级/同学们”。 例句: Let's play football after school. We have six classes every day. 12. Today, he has a math class. 的用法 核心考点为math的词性、have a class短语。 ① math:不可数名词,作主语时谓语用单数; ② have a class:表“上课”,后接科目表“上某课”。 例句: We have a science class on Wednesday. Math is my favorite subject. 13. We study Chinese, English and many other subjects. 的用法 核心考点为study与learn的辨析。 ① 均可表“学习知识”(如learn/study English); ② learn表“学习技巧”,study表“深入研究”; ③ 固定短语:learn to do sth./study hard。 例句: She learns to dance on weekends. He studies history for his project. ( 1 ) 学科网(北京)股份有限公司 $ Unit3 Developing the Topic 重点知识点解析 1. Zhou Hua can’t find his schoolbag. 的用法 核心考点为find与look for的辨析。 · find:及物动词,表“找到(结果)”; · look for:表“寻找(动作/过程)”。 例句: I look for my key everywhere, but I can’t find it. 2. The schoolbag is lost. 的用法 核心考点为lost的含义及lose的变形。 · lost作形容词:表“丢失的;迷路的”,be lost表“某物丢失/某人迷路”; · lose是动词,过去式/过去分词为lost。 例句: My umbrella is lost. He loses his wallet on the bus. 3. There is a name card and a ping-pong ball in it. 的用法 核心考点为不定冠词a/an的用法。 a/an表“一个”,a用于辅音音素前,an用于元音音素前,用法包括: ① 首次提到某人/物; ② 表某一类人/物的整体; ③ 指不具体的人/物; ④ 用于固定词组(如a little)。 例句: There is an apple on the table. A dog likes bones. 4. One is a math book and the other is a science book. 的用法 核心考点为other/the other的搭配。 · other:表“其他的”,修饰单/复数名词; · the other:表“两者中的另一个”,常与one连用;也可修饰复数名词表“其余全部”。 例句: I have two cups. One is red, the other is blue. Some students are reading, and the other students are writing. 5. What color is your schoolbag? 的用法 核心考点为color的词性及用法。 · 作名词:表“颜色”,对颜色提问用what color; · 作动词:表“给……着色”; · 变形colorful:形容词,表“丰富多彩的”。 例句: What color is your pen? He colors the picture yellow. 6. We usually start our day at 8:00 a.m., and our classes end at 4:00 p.m. 的用法 核心考点为end的用法。 · 作动词:表“(使)结束”; · 作名词:表“终止”,常与at the end of搭配表“在……末尾”。 例句: The meeting ends at 5 o’clock. We have a test at the end of this month. 7. There are also many interesting after-school activities. 的用法 核心考点为interesting与interested的辨析、after-school的用法。 ① 形容词辨析: · interesting:表“有趣的(主动)”,修饰人/物; · interested:表“感兴趣的(被动)”,主语为人,常与in搭配。 ② after-school:形容词,表“课后的”,作定语修饰名词。 例句: This story is interesting. We are interested in it. There are many after-school clubs in our school. 8. We can join the clubs, play sports or go to the library. 的用法 核心考点为join/join in/take part in的辨析、or的用法。 ① “参加”的辨析: · join:表“加入组织/团体”; · join in/take part in:表“参加活动/比赛”,take part in更正式; · join sb. in (doing) sth.:表“加入某人的活动”。 ② or的用法: · 表“或者(选择)”; · 否定句/疑问句中代替and表“和”。 例句: He joins the music club. Can you join us in playing football? I don’t like coffee or tea. ( 1 ) 学科网(北京)股份有限公司 $

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Unit 3 重点知识讲解 2025-2026学年仁爱科普版英语七年级上册
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Unit 3 重点知识讲解 2025-2026学年仁爱科普版英语七年级上册
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