Unit 6 情态动词与植物主题语法-2025-2026学年高中英语必修一语法知识点全解(重大版)

2026-02-10
| 5页
| 51人阅读
| 0人下载
教辅
菁榕教育
进店逛逛

内容正文:

高中必修第一册重庆大学版 【语法专版】 Unit 6 Surprising Plants 语法专版 【专题】情态动词与植物主题语法 Unit 6 Surprising Plants 考频分析 重庆大学版必修第一册中,Unit6 Surprising Plants相关语法是重点语法模块,考频占语法总量的 15%左右,贯穿试卷核心题型:单项选择(1-2题)、完形填空(2-3题)、语法填空(1-2题)、阅读 理解(涉及植物相关词汇及句式理解)。在语境理解类题目中,该单元的词汇辨析及相关句式结构 往往是解题关键。 情态动词(can/may/must表能力、许可、推测)是高中英语语法的重要模块,考频占语法总量的8% 左右,主要分布在试卷核心题型:单项选择1-2题、完形填空1-2题、语法填空1题、书面表达(核 心考察,直接影响语气表达与语境适配性)。在语境理解类题目中,情态动词的语气辨析、推测用 法及情景适用性往往是解题关键。 考查内容 ·情态动词:can/may/must表能力、许可、推测的核心用法 。植物主题词汇:植物特征、生长过程、分类及环境关系相关词汇 。被动语态应用:植物主题语境下的主动被动转换 知识点一:情态动词核心用法 1.情态动词三大维度 1.基础含义辨析: 。can表能力与许可 ·may表许可与推测 。must表必须与肯定推测 2.语境应用匹配: 。请求许可用may/can ·肯定推测用must 高中必修第一册重庆大学版 【语法专版】 Unit 6 Surprising Plants 。能力表达用can 3.句式转换与否定: ·肯定句、否定句、疑问句的结构变化 ·can't表否定推测 。nustn't表禁止 知识点二:植物主题核心词汇 1.植物特征类 l.核心词汇:root(根)、sten(茎)、leaf(叶子,复数leaves)flower(花)、fuit(果实)、seed(种 子)、petal(花瓣)入、runk(树干)、branch(树枝) 2.例句 The root of the plant absorbs water from the soil. Most plants have green leaves to make food. 2.植物生长类 1.核心词汇与短语:grow(生长)、bloom(开花)、seedling(幼苗)、sprout(发芽)、photosynthesis (光合作用)、take in(吸收)、give out(释放) 2.例句: The seeds will sprout in a few days if we water them. Plants take in carbon dioxide and give out oxygen. 3.植物分类类 1.核心词汇:tree(树)、grass(草)、flowering plant(开花植物)、non-flowering plant(不开花植物)、 cactus(仙人掌)、moss(苔藓) 2.主被动转换: ●The seeds will sprout in a few days.(主动语态) ·The seeds were sprouting when I checked this morning.(被动语态) 4.植物与环境的关系 l.主a动语态:lumans should protect the environment for plants. 2.被动语态:The environment should be protected for plants. 2 高中必修第一册重庆大学版 【语法专版】 Unit 6 Surprising Plants 5.植物对环境的影响 l.主动语态:Plants help to reduce air pollution. 2.被动语态:Air pollution is reduced by plants. 6.植物与人类生活的关系 1.主动语态:Many plants are used in traditional medicine. 2.被动语态:Many plants are used in traditional medicine. 知识点三:情态动词详解 1.基础含义与分类 1.能力:can(能/会)、could(过去能) 例句:She can speak three languages./I could swim when I was five. 2.许可:may(可以)、can(非正式) 例句:May I borrow your pen?/You can go home now. 3.义务/必要:must(必须)、have to(不得不) 例句:We must follow the rules../He has to work late today. 4.推测:may(可能)、must(一定)、can't(不可能) It may rain tomorrow./She must be at home./He can't be in the library now. 2.否定形式与疑问结构 否定形式:直接在情态动词后加not(can→can't:may→nay not;must→nustn't) 例句:You can't park here../We mustr't talk in class. 疑问结构:将情态动词提至句首 例句:Can you help me'?/Must I finish it today? 3.特殊用法 1.must提问的否定回答用needn't(不必) 例句:一Must I hand in the homework now?-No,you needn't. 2.can/could表示请求时,could更委婉 例句:Could you please open the door? 3.may/might表示推测时,might可能性更低 例句:She might come to the party tonight, 高中必修第一册重庆大学版 【语法专版】 Unit 6 Surprising Plants 4.had better(最好)+动词原形 例句:You had better go to bed early. 5.need作情态动词时,仅用于否定/疑问句 例句:Need we leave now?/You needn't worry. 考法精析 考法一:情态动词用法辨析 核心:根据语境正式程度,区分can(口语随意)与may(正式礼貌)表许可时的用法 真题1(单项选择): -I borrow your notes for the history class?I left mine at home. A.Can B.Must C.Should D.May 答案:D 解析:向他人请求许可且语境偏向礼貌正式(借笔记),用may:can虽可表许可但更口语化,此处 优选D。 真题2(语法填空): Students-not use mobile phones during exams.(提示:表禁止,正式场合) 答案:may 解析:由“正式场合”和“禁止”提示,may not表委婉禁止,符合考试场景的礼貌规范;mustn't 语气过于强硬,此处不适用。 考法二:情态动词与被动语态结合 核心:结合植物相关语境,综合运用情态动词(can/may/must/.should)的否定、疑问形式及被动语 态基本结构(情态动词+be+过去分词) 真题1(单项选择): These rare plants_in special greenhouses because they are sensitive to temperature changes. A.must grow B.must be grown C.can grow D.may grow 答案:B 解析:主语“these rare plants”是动作“grow”的承受者,需用被动语态;根据语境“因为它们对 温度变化敏感”,应用“must”表必须,情态动词的被动语态结构为“must+be+过去分词”,grow 的过去分词为grown。 真题2(语法填空): Flower seeds_(should not plant)in cold weather.It's better to wait until spring. 4 高中必修第一册重庆大学版 【语法专版】 Unit 6 Surprising Plants 答案:should not be planted 解析:主语“flower seeds”是动作“plant'”的承受者,用被动语态;“should not'”表不应该,情态 动词的被动语态结构为“should not+be+过去分词”,plant的过去分词为planted。 解题小妙招 情态动词解题妙招 许可语气看场合,口语随意用cam,正式礼貌选may: 否定推测can't上,禁止必须mustn't: 义务责任用must,否定禁止mustn't: 不必用needn't,委婉建议should好: 综合运用看语境,能力许可推测义务要分清: 疑问开头may更礼,can在口语也常用: 肯定推测must准,可能推测may/might行; 被动结构be done跟,情态之后加原形。 真题演练 演练一:单项选择 1.-I borrow your history notes?I need to check some key points. -Sorry,you_ask Lily instead.I left mine at home.Shehave them because she always brings her notes to class A.May,mustn't;must B.Can;needn't;may C.May;can't;must D.Can;shouldn't;may 答案:C 2.You_(not park)here!The sign says"No Parking".If you do,you_(get)a fine.And passengers (wear)seat belts when driving,it's the law. 答案:mustn't,may,must 答案区 演练-:1.C 演练二:1.mustn't,may,must 5

资源预览图

Unit 6 情态动词与植物主题语法-2025-2026学年高中英语必修一语法知识点全解(重大版)
1
Unit 6 情态动词与植物主题语法-2025-2026学年高中英语必修一语法知识点全解(重大版)
2
所属专辑
相关资源
示范课
由于学科网是一个信息分享及获取的平台,不确保部分用户上传资料的 来源及知识产权归属。如您发现相关资料侵犯您的合法权益,请联系学科网,我们核实后将及时进行处理。