Unit6情态动词复习-2025-2026学年高中英语期末语法复习选择性必修4（外研版）

期末语法复习 选修4·外研版·Unit6:情态动词复习 一、情态动词复习考点详解 考点一：can/could的用法 结构：表示能力（现在用can,过去用could);表示请求或许可(could语气更委婉）； 表示可能性（用于否定句/疑问句） 例句：She can speak three foreign languages..(能力)Could you please pass me the book? (请求) 真题再现： 1.Can I borrow your dictionary?【2023XX市高二期末】 -Sorry,I it to Mary yesterday. A)lent B)lend C)have lent D)will lend 答案：A 2.It rain this afternoon,so take an umbrella with you.【2022XX省联考】 A)can B)could C)must D)should 答案：B 考点二：may/might的用法 结构：表示许可(may用于正式场合，might语气更委婉)：表示可能性(might可能性 比may小)：may/might as well+动词原形(“不妨做某事"”) 例旬：You may leave the classroom after finishing the test..(许可)She might come to the party tonight..(可能性) 真题再现： 1.一Mm,I go to the cinema with my friends?【2021XX市高一期末】 -Yes,but you must be back by 9 pm. A)must B)need C)may D)should 答案：C 2.You_as well stay at home since the weather is so bad.【2023XX省模拟】 A)may B)must C)should D)would 答案：A 考点三：must/have to的用法 结构：must表示主观“必须”，否定形式mustn't(“禁止”)；have to表示客观“不得 不”，时态随语境变化；ust表推测用于肯定句(“一定”) 例句：We must obey traffic rules.(必须)She has to work overtime today.(不得不)He must be in the library now.(推测) 真题再现： 1.Youplay with fire in the forest.It's very dangerous.【2022XX市高三一模】 A)needn't B)mustn't C)won't D)wouldn't 答案：B 2.-Where is Tom? 一He_be in the classroom.I saw him there a minute ago.【2023新高考模拟】 A)must B)can C)might D)should 答案：A 考点四：should/,ought to的用法 结构：should/ought to表示“应该”(ought to语气更强)；should表推测(“按理说”)； should have done(“本应该做却未做”) 例句：You should respect your parents.(应该)The train should arrive at8:30.(推测) 真题再现： l.You have told me the truth earlier.Now it's too late.【2022全国乙卷】 A)should B)would C)must D)might 答案：A 2.-When will the flight arive? —It_be here by 100am,according to the schedule.【2021XX省联考】 A)must B)should C)can D)would 答案：B 考点五：will/would的用法 结构：will表示意愿/习惯/预测；wold表示过去习惯/委婉请求/虚拟语气中主句（与过 去现在/将来事实相反) 例句：I will help you with your homework.(意愿)He would often go for a walk after supper. (过去习惯) 真题再现： 1.-Please pass me the salt. 一I_do it right away.【2023XX市高二质检】 A)will B)would C)shall D)should 答案：A 2.When he was young,he_swim across the river every summer..【2022XX省高考模拟】 A)might B)should C)would D)could 答案：C 考点六：need/dare的用法 结构：need作情态动词时用于否定句/疑问句(needn't“不必”)：dare作情态动词时用 于否定句/疑问句(daren't“不敢”)：作实义动词时有人称/时态变化，后接todo 例句：You needn't come tomorrow.(情态动词)She dares to speak in public.(实义动词) 真题再现： 1.-Must I hand in the report today? 一No,you一.You can do it tomorrow. 【2023XX市高一期末】 A)mustn't B)needn't C)can't D)shouldn't 答案：B 2.She not go out alone at night when she was a child.【2021XX市高二联考】 A)dare B)dared C)need D)needed 答案：B 考点七：情态动词+have done的用法 结构：must have done(肯定推测“一定做了”)；cant/couldn't have done(否定推测“不 可能做了”)；may/might have done(可能做了)；should have done(本应该做)；would have done(虚拟语气中与过去事实相反) 例旬：He must have finished his homework.(推测)You shouldn't have lied to your teacher. (责备) 真题再现： 1.The ground is wet.It rained heavily last night.【2023XX省高考真题】 A)must have B)should have C)would have D)might have 答案：A 2.-Why didn't you attend the meeting? —I,but I was seriously ill.【2022XX市高三二模】 A)must have B)should have C)could have D)would have 答案：C 二、考点综合训练 I单项选择 1.-I park my car here for a while? —No,you一.The sign says"No Parking” A)May;needn't B)Must;mustn't C)May;mustn't D)Could;needn't 2.She have won the competition-she practiced so hard every day. A)must B)should C)would D)might 3.If I you,I accept the invitation without hesitation. A)am;will B)were;would C)was;should D)be;must 4.You have told me the truth earlier.Now I have no time to prepare. A)must B)should C)could D)might 5.The door is locked.He have gone outnobody is in the room A)can B)must C)might D)should 6.Without your help,we_the project ahead of schedule A)wouldn't finish B)didn't finish C)won't finish D)wouldn't have finished Ⅱ.完成句子 1.你本不必买这么多水果，我们已经有很多了。 You so much fruit-we already have plenty. 2.他不可能在图书馆，我刚刚在操场看到他了。 He_in the library-I saw him on the playground just now. 3.如果明天下雨，运动会可能会推迟。 If it rain tomorrow,the sports meetingbe put off. 4.你应该多花时间陪伴家人，他们非常想念你。 You more time with your family-they miss you very much. 5.她一定已经完成作业了，否则她不会出去玩的。 She her homework,or she wouldn't have gone out to play. Ⅲ.短文改错 下面短文中共有5处与情态动词相关的错误，请找出并改正 1.I wish I can speak English as fluently as a native speaker. 2.You mustn't to smoke hereit's a non-smoking area. 3.The teacher suggested that we will review the grammar rules before the exam. 4.If I knew his address yesterday,I would have visited him 5.He can have passed the driving test,but he didn't practice enough V.语法填空 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式 Last Sunday,I planned to visit the museum with my friends.However,my mom said I1 (must)finish my homework first.I thought I 2(can)finish it quickly,so I agreed.But I 3 (not realize)the homework was so difficult.By noon,I still hadn't finished.My friends called and asked ifI4(could)join them,but I had to say no.If I 5(start)earlier,I6(would not miss)the trip.Now I regret it-I_7(should)have planned my time better. 参考答案与解析 I.单项选择答案：1.C2.A3.B4.B5.B6.D Ⅱ.完成句子答案： 1.needn't have bought 2.can't have been 3.should;might 4.should spend 5.must have finished Ⅲ短文改错答案： 1.can→cold2.删除to3.wi→should 4.kmew→had known5.can→cold V.语法填空答案： 1.must 2.could 3.didn't realize 4.could 5.had started 6.would not have missed 7.should 英语语法复习手册·选修4·外研版·情态动词复习