U3 省略句-2025-2026学年高中英语必修三语法知识点全解（沪教版）

高中必修3-U3沪教牛津版 【语法专版】 U3省略句全解 语法专版 【专题】省略句 高中语法专项突破 考频分析 沪教牛津版必修3-U3中，省略句是重要语法点，考频占句法总量的15%左右，涉及试卷多个题型： 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（辅助理解长难句，提升阅 读效率)。在语境分析类题目中，省略句的逻辑主语一致性及上下文衔接是解题核心。 考查内容 ·省略类型识别：简单句中的主语省略、谓语省略、宾语省略，复合句中的主句省略、从句省略 。语法功能分析：省略句在对话回应、并列结构、状语从句（时间、条件、让步等）中的应用规则与 逻辑关系 ·语境还原补全：结合上下文判断省略成分（主语、谓语、助动词等）并进行语法正确性补全 知识点一：省略句的定义及常见类型 1.定义（省略不必要成分，保持句意明确） ·核心特征：省略主语、谓语、宾语等重复或已知成分，不影响理解 。例句： 1.)Hope to see you soon.(省略主语I) 2.He is taller than she(is).(省略谓语is) 2.常见省略类型及用法 1.对话省略（主语/谓语常省略）：一Where are you going?一I'm going)To the library.(省略主语和谓 语) 2.状语从句省略（主从句主语一致时，省略从句主语和be动词)：If(itis)necessary,I will help you.(省 略itis) 3.不定式省略（保留to,省略动词原形)：He wanted to go,but I told him not to(go).（省略go) 1 高中必修3-U3沪教牛津版 【语法专版】U3省略句全解 4.并列句省略（重复谓语/宾语可省略）：She likes singing,andhe(likes))dancing.(省略likes) 知识点二：省略句的类型及用法 1.省略主语（对话或上下文明确时） ·适用场景：日常对话、祈使句或上下文主语一致时 。例句： l.(You)Open the door,.please.(祈使句省略第二人称主语You) 2.I)Haven't seen you for a long time.(对话中省略第一人称主语I) 2.省略谓语或谓语部分（上下文谓语重复时） ·适用场景：并列句中后句与前句谓语相同，或回答问题时 。例句： 1.Tom likes reading,and Mary(likes)singing.(并列句中省略重复的谓语likes) 2.一Do you like English?一（）①Do(like English).(回答中省略主语和重复的谓语部分) 3.省略宾语（上下文宾语明确时） ·适用场景：及物动词后宾语在上文已出现 ·例句： 1.He bought a book yesterday,.but I forgot(he book).(省略上文提到的宾语he book) 2.Please pass me the pen.Ineed(the pen)to write.（省略重复的宾语the pen) 4.省略状语从句中的主语和谓语（主从句主语一致且含be动词） 。适用场景：when/while/ifas等引导的状语从句，主从句主语相同且从句含be动词 ·例句： 1.When(she was)walking in the park,she met an old friend.(省略从句主语she和be动词was) 2.If(itis)necessary,I will help you.(省略从句主语it和be动词is) 5.不定式符号to的省略（使役动词和感官动词后） ·适用场景：let/make/have(使役动词)和see/hear/watch(感官动词)后接不定式作宾补时 。例句： 1.Let him(to)go now.(let后省略to,直接接动词原形go) 2 高中必修3-U3沪教牛津版 【语法专版】U3省略句全解 2.I saw her(to)enter the room.（see后省略to,直接接动词原形enter) 6.省略介词（时间、地点名词前） 。适用场景：today/yesterday/tomorrow/this/that/next/last等词前 。例句： 1.We will have a test(on)next Monday.(next Monday前省略介词on) 2.They arrived(in)Beijing yesterday..(Beijing前省略介词in,口语中常用) 知识点三：省略句 1.简单句中的省略（高频基础） ·常见省略类型（中考必背）： 1.省略主语（祈使句）→例句：Open the door,please.(省略主语you) 2.省略谓语（并列句中）→例句：He likes English,.and she (likes)Chinese.(省略谓语likes) 3.省略宾语（上下文明确时）→例句：Would you like some coffee?一Yes,please.(省略宾语 coffee) 4.省略表语（回答be动词问句）一例句：一Are you a student?一Yes,Ian.(省略表语a student) 2.复合句中的省略（中考难点) 。状语从句省略（常考结构）： l.when/while+分词（主从句主语一致）一→例句：When(Iwas)walking in the street,I met an old friend. 2.if+分词（条件状语从句)→例句：If(itis)necessary,we will help you. 3.than/as引导比较状语从句省略→例句：He runs faster than I(un). 3.对话中的省略（交际应用） 。日常交际省略（中考情境）： l.省略助动词/情态动词→例句：一lave you finished your homework?一Not yet.(省略I have) 2.省略疑问词后的成分一例句：-What did you do yesterday?-Watched TV.(省略I) 3.省略上文出现的名词→例句：Is this your pen?一No,(tis)my brother's(pen). 考法精析 考法一：状语从句省略的判断与修正 3 高中必修3-U3沪教牛津版 【语法专版】 U3省略句全解 核心：依据主从句主语是否一致及动词形式，判断状语从句省略是否正确并修正错误 真题1（语法填空)： While(walk)along the street,she met her old friend. 答案：walking 解析：主从句主语均为'she”,符合省略条件，完整形式为While she was walking'”,省略主语和be 动词后用现在分词walking。 真题2（单选题）： If possible,I will finish the task ahead of time A.is B.was C.being D./ 答案：D 解析：主从句主语一致（均为I),完整形式为'If it is possible”,此处省略主语it”和be动词'is”,直 接保留形容词possible,.符合状语从句省略规则。 考法二：状语从句省略的语法填空与辨析 核心：结合语境判断状语从句中可省略的主语和be动词，注意主从句主语一致性及动词形式 真题1（语法填空)： While_(walk)along the street,she met her old friend yesterday. 答案：walking 解析：主从句主语均为she,符合”While(she was)walking'”的省略规则，主动关系用现在分词 真题2（完形填空）： If necessary,I will call you this evening. A.is B.being C.it D./ 答案：D 解析：if引导的条件状语从句中，主从句主语一致(it)时可省略主语和be动词，完整形式为Ifit is necessary" 考法三：状语从句与对话场景的综合省略 核心：结合上下文判断状语从句中主语和be动词的省略规则，掌握对话中重复成分的省略规范 真题1（单项选择)： When to the party,Mary was very excited. A.invite B.inviting C.invited D.to invite 答案：C 解析：主从句主语均为May,符合”"when+(主语+be)+过去分词”的省略规则，May与invite是 4 高中必修3-U3沪教牛津版 【语法专版】 U3省略句全解 被动关系，故用过去分词invited,完整形式为When she was invited'。 真题2（语法填空)： -Would you like to go shopping with me? -I'd love to _(go),but I have to finish my homework first. 答案：g0 解析：对话中不定式省略时通常保留to,此处to”后省略上文重复的动词原形go,完整形式为T'd love to go'”。 解题小妙招 状语从句省略妙招 省略前提要记牢，主从主语须一致： 主动关系用现分，被动结构用过分： 连词之后留非谓，主be省略不犹豫： 遇见it作主语，省略it和be同样行： 真题验证看完整，主从一致是核心。 真题演练 演练一：单项选择试题 1.When for the bus,I met an old classmate. A.wait B.waiting C.waited D.to wait 2.If necessary,we will postpone the meeting until next week. A.is B.was C.being D./ 3.Whilein the park,she saw a beautiful butterfly. A.walk B.walked C.walking D.to walk 4.seriously injured,the player was still determined to finish the game. A.Though B.As C.When D.If 5.Unless_by the manager,no one is allowed to enter the office. A.permit B.permitting C.permitted D.to permit 6.-the instructions clearly,he still made a mistake in the experiment. A.Read B.Reading C.To read D.Having read 7.She speaks English better than-expected. A.is B.was C.being D./ 高中必修3-U3沪教牛津版 【语法专版】U3省略句全解 8.When_about his plan,he just smiled and said nothing. A.ask B.asking C.asked D.to ask 9.If rain tomorrow,we will have to cancel the picnic. A.will B.would C.should D./ 10.Thoughtired,he continued to work on the project. A.feel B.feeling C.felt D.to feel 演练二：填空试题 1.While(watch)TV,she heard a strange noise outside. 2.If(be)possible,I would like to visit your country next year 3.When_(ask)why he was late,he kept silent. 4.Though(work)very hard,he didn't pass the exam 5.Unless(invite),I won't go to the party. 6.She always helps others when_(need). 7.While(walk)in the forest,we saw many wild animals. 8.If(rain)tomorrow,the sports meeting will be put off. 9.When(arrive)at the station,please call me. 10.Though(be)young,he has a lot of life experience. 演练三：语法填空试题 Last Sunday,I decided to go for a walk in the park.While(walk)along the path,I met an old man who was sitting on a bench.He looked sad,so I went over and sat next to him.When-(ask)what was wrong, he told me that he had lost his way home.I offered to help him find his address.While(look)for the address in his pocket,he suddenly remembered that his daughter's phone number was in his wallet.I called his daughter,and she said she would come to pick him up soon.While(wait)for her,we talked about his life.He toldme that he used to be a teacher and lovedhis students very much.When his daughter(arrive), she thanked me many times.Though(tire)after the walk,I felt very happy to have helped someone in need.On my way home,I thought about how important it is to be kind to others.If(everyone)can help each other,the world will be a better place.While(think)about this,I smiled to myself.When-(get) home,I told my parents about the experience,and they were proud of me.Though(be)a small thing, helping the old man made my day. 答案区 演练-：1B2.D3.C4.A5.C6.B7D8.C9.C10B 1.watching 2.is 3.asked 4.working 5.invited 6.needed 7.walking 8.rains 9.arriving 10.being 6 高中必修3-U3沪教牛津版 【语法专版】 U3省略句全解 1.walking 2.asked 3.looking 4.waiting 5.arrived 6.tired 7.everyone 8.thinking 9.getting 10.being 7