Unit 5 语法与词汇-2025-2026学年高中英语必修一语法知识点全解（重大版）

高中必修第一册重庆大学版 【寒假专版】 A版知识点全解 寒假专版 【专题】Unit5 Amazing Animals 语法与词汇专项突破 考频分析 重庆大学版必修第一册中，Unit5 Amazing Animals是重点语法模块，考频占本单元语法总量的30% 左右，贯穿单元检测所有核心题型：单项选择(2-3题)、完形填空(2-3题)、语法填空(2题)、阅 读理解（核心考察，直接影响对动物相关文本的理解）。在语境理解类题目中，与动物相关的词汇 辨析、时态运用及细节理解往往是解题关键。 考查内容 过去进行时是高中英语语法的重要考点，考频占语法总量的8%左右，主要分布在以下核心题型： 单项选择1-2题、完形填空2题、语法填空1题、短文改错1题。在语境理解类题目中，过去进行 时与一般过去时的辨析、时间状语的判断以及上下文语境的呼应往往是解题关键。 知识点一：过去进行时 1.基本结构与构成： 。肯定句（主语+was/were+doing) 。否定句（主语+was/were+not+doing) 。疑问句(Was/Were+主语+doing) 2.时间状语与语境判断： 。标志词：when,while,at this time yesterday,from8tol0 last night 。应用场景：背景描述、时间对比语境 3.时态辨析与转换： 。与一般过去时区别：when引导时间状语从句中动作先后 。与过去完成时区别：强调动作持续或背景 。主动语态在具体情境中的运用 1 高中必修第一册重庆大学版 【寒假专版】 A版知识点全解 知识点二：动物相关词汇及描写句式 1.动物分类与特征词汇： ·常见动物名称：mammal(哺乳动物)、reptile(爬行动物)、bird(鸟类)、insect(昆虫)、amphibian (两栖动物)：elephant(大象)、tiger(老虎)、eagle(鹰)、butterfly(蝴蝶)、frog(青蛙) ·外形特征形容词：strong(强壮的)、gentle(温和的)、colorful（色彩鲜艳的)、swift(敏捷的)、 feathery(有羽毛的)、scaly(有鳞片的) ●能力与习性动词：hunt(捕猎)、migrate(迁徙)、hibernate(冬眠)、camouflage(伪装)、communicate (交流) 2.描写动物的基本句式： ●结构：Animal+be动词/实义动词+特征词/习性短语+（地点/方式） 。例句： 1.Elephants are the largest land animals 2.Eagles hunt small animals skillfully. 3.Frogs live both in water and on land. 3.动物与环境关系的表达： 。适应环境：Animal+adapt to+environment 1.Camels adapt to the desert by storing water in their humps ·频危与保护：Animal+be in danger of+威胁/be protected by+措施 1.Tigers are in danger of extinction. 2.Giant pandas are protected by strict laws in China. 4.含动物比喻的常用表达： ●英语习语：a busy bee(忙碌的人)、as brave as a lion(像狮子一样勇敢)、as slow as a turtle(像 乌龟一样慢) ·例句：My mother is always a busy bee in our family. 知识点三：情态动词 1.can/could(能力、请求许可)： 。表能力：She can speak three languages, 。请求许可：Can I borrow your pen'?/Could you help me,please? 。否定式：You can't park here.. 2.may/might(许可、推测)： 2 高中必修第一册重庆大学版 【寒假专版】 A版知识点全解 ·请求许可：May I come in?/Might I use your phone? ●表推测：It may rain tomorrow./She might be at home now. 。否定式：You may not leave the room, 3.must/have to(必须、肯定推测)： ●主观必须：I must finish my homework first. ●客观需要：He has to work on weekends. 。禁止：You mustn't smoke in the library. 。肯定推测：This must be John's book. 4.should/ought to(建议、义务)： ·提建议：You should study hard./We ought to help each other. ●表义务：Teachers should care about students. 。否定式：You shouldn't eat too much candy.. 考法精析 考法一：过去进行时的常见错误及解题技巧 1.时间标志词误用： ●混淆时间范围：He was often played basketball after school.→He often played basketball after school last year. 。误用非持续性动词：The movie was finishing at9p.m.last night..→The movie finished at9p.m.last night. 2.主从句时态搭配错误： 。when引导从句：When I was walking home,it was starting to rain.→When I was walking home,it started to rain ●while连接单句：While she cooked,.I didhomework.→While she was cooking,I was doing homework 3.被动语态结构错误： .being:The report was discussed at the meeting.->The report was being discussed at the meeting. 。主谓不一致：The students was being taught by Mr.Li.→The students were being taught by Mr.Li. 4.解题技巧： 。标志词定位法：at8p.m.last night,this time yesterday 。语境逻辑法：描述过去背景动作被打断” 3 高中必修第一册重庆大学版 【寒假专版】 A版知识点全解 真题示例（2023重庆高一期末)： -What_you_when the teacher came in? -I was talking with my deskmate. 答案：were;doing 考法二：过去进行时基本结构及用法 真题1（语法填空）： She_(read)a storybook at 9 o'clock last night when her mother came in. 答案：was reading 解析：时间标志词”at9o'clock last night'',主语第三人称单数，be动词用was。 真题2（单项选择）： They_basketball on the playground this time yesterday. A.is playing B.was playing C.were playing D.played 答案：C 解析：时间标志词this time yesterday',主语they为复数，be动词用were。 考法三：过去进行时被动语态在动物描写语境中的应用 真题1（单项选择）： The baby pandas_carefully by the zookeepers at 9 a.m.yesterday. A.are fed B.were fed C.were being fed D.fed 答案：C 解析：主语承受动作，时间标志词”at9a.m.yesterday”,结构为”were being+过去分词'。 真题2（语法填空)： While the colorful butterflies_(watch)by the students,the teacher explained their living habits. 答案：were being watched 解析：主语承受动作，while引导从句，主句为一般过去时，从句需用过去进行时被动语态。 考法四：过去进行时与一般过去时的综合运用及被动语态转换 真题1（单项选择)： While my parentsdinner in the kitchen,I-a phone call from my friend A.cooked wasreceiving B.were cooking received C.were cooking was receiving D.cooked received 答案：B 解析：while+-延续动作（过去进行时），主句短暂动作（一般过去时）。 高中必修第一册重庆大学版 【寒假专版】 A版知识点全解 真题2（语法填空)： The workers(build)the bridge this time last month,but it(stop)because of the heavy rain. 答案：were building;was stopped 解析：第一空时间标志词this time last month'”,第二空被动语态（一般过去时）。 解题小妙招 过去进行时妙招 特定时间找进行，”at+点this time yesterday'是信号； 主谓一致看主语，三单is复数ae,过去was/were要记牢； 动词原形加ing,”was/were doing”结构不能少： when/while来引导，主从动作辨分晓： 短暂动作用一般过，持续进行用过去进行时： 若遇两个延续动，主从都用"'was/were doing'”错不了； 被动形式也不难，”was/were being done''要记好。 5