Unit 3 Diverse Cultures Discovering Useful Structures 2025-2026学年高一年级英语人教版必修三

该高中英语课件聚焦“省略”语法现象，通过Lead-in环节的例句引导学生观察不同语境下的省略形式，从简单句祈使句、并列句连词后主语省略到复合句中关系代词或that的省略，逐步搭建从感知到系统分类的学习支架。 其亮点在于结合语言能力和思维品质，通过“即学即练”和分类讲解（如宾语从句that的可省与不可省情况、状语从句主从句主语一致时的省略），培养学生精准分析和应用语法的能力。Production任务结合多元文化主题，将语法学习与文化意识融合，既提升学生语言表达准确性，又便于教师高效开展语法教学。

人教版必修三 Unit 3 Diverse Cultures Discovering Useful Structures Lead-in Read and pay attention to the words in red. When (I am) in trouble, I ask for help. 身处困境时我求助。 If (it is) possible, come early. 有可能的话早点来。 Lead-in Though (he was) tired, he kept working. 虽然累，他仍继续干活。 She is taller than (she is) expected. 她比预想的高。 Read and pay attention to the words in red. Lead-in —Would you go with me? —I’d love to (go with you). Read and pay attention to the words in red. Lead-in Read and pay attention to the words in red. I like reading and (I) enjoy drawing. 我爱读书也爱画画。 He was late but (he) said sorry. 他迟到了但是道歉了。 Lead-in Read and pay attention to the words in red. This is the book (that/which) I bought. 这是我买的书。 Lead-in Read and pay attention to the words in red. (There is) No smoking. 禁止吸烟。 I saw him (go) out.（see sb do 省 to） 我看到他出去了。 Presentation 为了避免重复，将句子中的一个或几个成分省去，这种语法现象叫省略。省略是避免重复、突出新信息并使上下文紧密连接的一种语法手段。英语中的省略有下列几种情况 一、简单句的省略 一、口语祈使省略主语 原：(You) Open the door. 省略：Open the door. 二、感叹、标语省略 (It’s) Wonderful! 太棒了！ (There is) No parking. 禁止停车。 三、简短问答省略主谓 —(Do you) Like apples? —(I like them) Yes. 8 Presentation 一、简单句的省略 四、不定式只省后面动词、留to —Want to visit? —I hope to.（省 visit） 五、使役 / 感官动词省略 to make/let/see/hear/watch + sb do（省略不定式符号 to） I saw him (to) leave. → I saw him leave. 六、固定短语惯用省略 (It is) Thanks. (It is) My pleasure. 9 Presentation 即学即练 1.（）Help me,please. A.You B./ 2.I let him ( ) go out. A.to B./ 3.—Would you come? —I’d like ____. A.to B./ 10 Presentation 二、并列句中的省略 连词：and /but/or /so 1. 省略主语（最常见） I like music and (I) enjoy painting. He fell down but (he) wasn’t hurt. 2. 省略谓语 / 实义动词，保留助动词 She can swim but (she) can’t skate. Tom has finished homework and Lily has (finished) too. 3. 主谓一起省，只剩表语 / 宾语 My room is small but (it is) clean. 4. or、so 同理 (You) Hurry up, or (you will) be late. 11 Presentation 即学即练 He eats well and ___ sleeps well.（填 /） She was tired but ___ kept working.（填 /） 12 简单句及并列句中的省略 省略成分 情况说明 主语 在祈使句中和不容易引起歧义的情况下可省略 谓语或谓语的一部分 为了避免与前面已出现过的动词重复常省略 表语 答语或下文中与上文结构相似的表语可省略 宾语 省略并列谓语最后一个动词的宾语以外的所有宾语 双宾语动词的直接宾语或间接宾语都可以省略掉一个 主语和谓语, 或主语和谓语的一部分 在不引起歧义的情况下为使语言更加简洁、明了可省略 Presentation 三、复合句中的省略 1.定语从句的省略 （1）省略条件：关系代词 that/which/who/whom 在从句中作宾语 → 可直接删掉 例句 This is the book (that/which) I bought yesterday. 这是我昨天买的书。 The girl (who/whom) we met is my cousin. 我们遇见的女孩是我表妹。 （2）不能省略情况 关系词作主语，不能省： The book that is on the desk is mine.（that 主语，不可删） Presentation 14 三、复合句中的省略 1.定语从句的省略 Presentation The pen ____ I lost was new.（可空 /that/which） The man ____ stands there is my teacher.（不能空，用 who/that） 15 2.宾语从句的省略 Presentation 一、只省略引导词that（最常用） 1. 可省that的条件 主句动词：think/believe/say/know/find/hear/see/expect/guess等，hat在从句不作成分、无词义，口语/书面均可省略。 - I think (that) you are right. - She said (that) she would come. ### 2. 不能省略that的4种情况 1. 并列多个宾语从句，第二个及以后的that不能省 He says (that) he likes English and that he learns it every day. 2. that从句作介词宾语时，that不省 I’m sure that he will win.（be sure + that从句，that保留） 3. it作形式宾语，真正宾语that从句，that不省 I find it important that we keep exercising. 4. 主句谓语是被动语态，that不省 It was reported that a storm was coming. 16 Presentation 二、if/whether/wh-连接词（what/who/where/when…）一律不能省略这类词在从句充当主语/宾语/状语，缺了从句结构残缺： - I don’t know where he lives.（where不能删） - Ask him if he needs help.（if不能删） 三、宾语从句→疑问词+不定式（精简省略句式，高频考点） 主句主语和从句主语同一人时： 宾语从句 = 疑问词 + to do（直接简化从句） 1. I don’t know how I can do it. = I don’t know how to do it. 2. She doesn’t know which one she should choose. = She doesn’t know which one to choose. ✖ 主从句主语不一致，不能改不定式： I don’t know when he will leave.（不能：when to leave） 四、否定转移带来的省略（think/believe/suppose） I don’t think (that) he is wrong.（that照常可省） 17 Presentation 二、if/whether/wh-连接词（what/who/where/when…）一律不能省略这类词在从句充当主语/宾语/状语，缺了从句结构残缺： - I don’t know where he lives.（where不能删） - Ask him if he needs help.（if不能删） 三、宾语从句→疑问词+不定式（精简省略句式，高频考点） 主句主语和从句主语同一人时： 宾语从句 = 疑问词 + to do（直接简化从句） 1. I don’t know how I can do it. = I don’t know how to do it. 2. She doesn’t know which one she should choose. = She doesn’t know which one to choose. ✖ 主从句主语不一致，不能改不定式： I don’t know when he will leave.（不能：when to leave） 四、否定转移带来的省略（think/believe/suppose） I don’t think (that) he is wrong.（that照常可省） 18 Presentation 一、用 that/×（× 代表省略 that）填空 I believe ____ he will pass the exam. He told me ____ he had finished homework and ____ he was tired. We think it necessary ____ we obey rules. It is said ____ the sports meeting will be put off. I’m glad ____ you can join us. 二、句型转换：宾语从句改为「疑问词 + to do」（能改就改，不能改标注 ×） I don’t know where I should park my car. She wants to know when Tom will arrive. Could you tell me how I can solve the problem? He hasn’t decided which shirt he will buy. We don’t know who will help us. 2.即学即练 19 三、单选（不能省略引导词考点） The teacher said ( ) he was busy and ( ) he needed more time. A. /; / B. that; / C. /; that I find it important ( ) we learn English well. A. / B. that C. what Do you know ( ) he comes from? A. / B. where C. that I wonder ( ) it will rain tomorrow. A. if B. / C. that It was announced ( ) prices would go down. A. that B. / C. when Presentation 20 Presentation 3.状语从句的省略 1. 主动进行 → doing While (I was) reading, I fell asleep. = While reading, I fell asleep. 2. 被动 → done If (you are) seen, keep quiet. = If seen, keep quiet. 3. 形容词作表语 → 只剩 adj Though (he was) tired, he kept working. = Though tired, he kept working. 21 Presentation 4. 介词短语 When (you are) in trouble, ask for help. = When in trouble, ask for help. ❌ 不能省略：主从句主语不一致 When the bell rang, we stopped talking. （从句主语 bell≠we，不能省） 22 Presentation 2.即学即练 When I am waiting, I listen to music. If you are caught cheating, you’ll be punished. Although she was poor, she was honest. While he was walking along the street, he found a wallet. Unless you are invited, don’t go there. When the teacher came in, we stood up.（不能省） Once you are lost in the forest, stay still. If it is necessary, call me anytime. 23 四、虚拟语气中的省略 Presentation 一、规则 if 从句里出现：were /had/should → 删掉 if，把这三个词提前到句首 仅限 if 条件虚拟句，别的虚拟不能省。 1. 对现在虚拟：从句有 were 原：If I were you,… 省略：Were I you,… 2. 对过去虚拟：从句 had done 原：If you had helped me,… 省略：Had you helped me,… 24 Presentation 3. 对将来虚拟：从句 should do 原：If it should rain,… 省略：Should it rain,… 注意：从句动词是过去式（如 went），不能省 if、不能倒装 If I went there… ✘ Went I there（错） 二、例句对照 If he were here, he would help us. = Were he here, he would help us. If she had studied hard, she would have passed. = Had she studied hard, she would have passed. If it should snow tomorrow, we’d put off the match. = Should it snow tomorrow, we’d put off the match. 25 Presentation 五、其他常见的省略 1.动词不定式的省略 一、感官 / 使役动词：主动省 to，被动要加 to 1. 五看三让两听一感觉（主动：do，不带 to） 五看：see, watch, notice, observe, look at 两听：hear, listen to 一感觉：feel 三使役：make, let, have I saw him go out. He was seen to go out.（被动还原 to） let 永远：let sb do（无 to） 2. help 可省可不省 help sb (to) do 26 Presentation 五、其他常见的省略 1.动词不定式的省略 二、不定式重复出现：保留 to，省略后面动词原形、 上文出现过 do，下文避免重复，只留 to。 —Would you like to come? —I’d love to.（=I’d love to come，come 省略） I wanted to go but I wasn’t able to. 若是 to be / to have done，be/have 不能省： I’m not a doctor, but I wish to be 27 Presentation 五、其他常见的省略 1.动词不定式的省略 三、固定搭配不带 to had better do / would rather do / can’t but do / why not do You’d better leave now. 四、连词并列不定式：后一个 to 省略 want to do and (to) do → 第二个 to 去掉 I decided to stay home and (to) read books. 五、专项练习（填空） I made him ____(cry). He was made ____(cry). —Will you go with me? —I’m glad ____. Why not ____(try) again? 28 Presentation 2.介词的省略 一、表示时间：on/in 省略 next/last/this/that + 年月日 / 星期，省去 on/in this morning / last week / next Friday ❌ on last week every/each + 时间，无介词 every day, each Sunday 二、spend /waste (in) doing：in 可省 spend time (in) doing sth He spent two hours (in) reading. 三、prevent/stop/keep sb (from) doing：from 常省（keep 不能省 from） stop/prevent sb (from) doing We stopped him (from) going out. keep sb from doing → from不能省 29 Presentation 2.介词的省略 四、be busy (in) doing 省去 in I’m busy (in) preparing exams. 五、have difficulty/trouble/problems (in) doing 省 in I have trouble (in) learning grammar. 六、way 用法：in 省略 the way (in which /that/ ×) he speaks = the way he speaks（in 省略） 七、表价钱、距离：for 省略 cost (for) ten yuan；walk (for) three miles 八、不定式复合结构 of/for 不省略，只固定搭配省介词 易错：不能省介词 wait for, depend on, look forward to，介词绝不删 30 Presentation 3.替代性省略 一、do/does/did 替代实义动词 规则：用助动词 do/does/did 代替上文中的实义动词短语 —He likes English. —So do I.（do=like English） She runs faster than I do.（do=run） 过去用 did： He went to Beijing, and I did too.（did=went to Beijing） 二、so /not 替代宾语从句 1. so 代替肯定从句 —Will it rain? —I think so.（so=it will rain） 2. not 代替否定从句 —Will it rain? —I hope not.（not=it won’t rain） 常用：think so /hope so /suppose so；hope not /suppose not ❌ 不说 think not，改用 I don’t think so. 31 Presentation 3.替代性省略 三、one /ones/that /those 替代名词 one (单)/ones (复)：同类泛指 I need a pen. Can you lend me one?（one=a pen） I like red apples, not green ones. that (单)/those (复)：同类特指（常用比较） The weather in Xinjiang is colder than that in south. Students here are taller than those in Class18. 四、to 替代不定式（之前不定式省略） 上文出现 to do，下文只留 to，省动词 -Would you visit him? -I plan to.（to=to visit him） 五、省略 to be /have I’m not rich but I hope to be. I didn’t finish but I ought to have. 32 Presentation 4.比较结构的省略 一、核心规则 than/as 后面从句：重复部分（主语 + 谓语）能省就省，只留剩余成分 1. 省谓语，只剩主语 He is taller than I (am). = He is taller than me.（口语宾格 me） I run faster than he (does). does 替代实义动词 run 2. 主谓全省，只剩名词 / 介词短语 The weather here is better than (the weather) in Beijing. 二、as…as 省略 She is as clever as (she was) before. I eat as much as you (eat). 33 Presentation 4.比较结构的省略 三、高频 3 种省略格式 只剩代词（主格 / 宾格） Tom works harder than I. 只剩状语（地点 / 时间） Prices are higher than (they were) last year. 只剩非谓语 / 名词 More students like English than (those who like) math. 四、易错：不能乱省（主格宾格考点） I love you more than he. = I love you more than he loves you. I love you more than him. = I love you more than I love him. 五、the + 比较级…the + 比较级 基本不省略 The more you practice, the better you learn. 34 Summary Discovering Useful Structures——省略 35 Practice 一、用省略规则填空 1.宾语从句 that 省略 I think ____ he will arrive on time.（填 / 或 that） He said ( ) he liked reading and ____ he hated noisy places. 不定式省略 to / 省动词 The boss made the workers ____(work) long hours；The workers were made ____(work) long hours. —Would you go shopping with me? —I’d like ____. 2.状语从句省略 When ____(walk) in the street, I saw an old friend.(原：When I was walking) If ____(give) more time, I can finish the work better.(原：If I am given) Though ____(be) poor, the boy never gives up his dream. 36 Practice 3.介词省略 I spent three hours ____(read) novels yesterday.(in 可省) We had no difficulty ____(find) his new house. 4.比较状语从句省略 Tom runs faster than Jack ____(do). The climate of Urumqi is drier than ____ in the south.（that 替代 climate） 5.虚拟 if 省略倒装 If I had known your phone number, I would have called you. 改倒装省略：________________________ 37 Practice 二、单项选择 1.She suggested that we ____ early tomorrow. A. set off B. to set off C. sets off 2.—Will he take part in the game? —I expect ____. A. so B. it C. that 3.____, we would have finished the task. A. Had you helped us B. If you helped us C. Were you help us 4.While ____, she fell asleep on the sofa. A. watched TV B. watching TV C. she watching TV 5.I wanted to help him but I wasn’t able ____. A. / B. to C. do 6.We prevented him ____ going out on rainy days.（from 可省略） A. / B. from C. in 7.This pen is better than ____ bought last week. A. one B. the one C. ones 8.You’d better ____ your homework right now. A. to finish B. finish C. finishing 38 Production 学校举办多元文化分享会，请各小组选取一种文化特色（民俗、美食、传统节日、建筑、非遗均可，可中国文化/外国文化），撰写一段80词左右的英文介绍。 Chinese Spring Festival When (we are) talking about Chinese traditional culture, the Spring Festival always comes to our mind. I think (that) it is the most important festival for Chinese people. Though (it is) old, it still keeps its unique charm. It lets families get together and enjoy happiness. If (it is) well passed on, this traditional culture will never fade. Cultural diversity enriches our life and makes the world more wonderful. Thank You $