Unit1情态动词用法-2025-2026学年高中英语期末语法复习选择性必修4（冀教版）

期末语法复习 选修4·冀教版·Unit1:情态动词用法 一、情态动词用法核心考点详解 情态动词用法是高中英语重要语法，用于表达能力、许可、推测、义务等多种语气和意 义，核心考点围绕不同情态动词的基本含义、时态搭配及特殊语境中的用法展开。 考点一：can/could的用法 结构：can表示“能力、许可、可能性”；could表示过去的能力、委婉请求（回答用 can)、推测（可能性低于may) She can speak three languages fluently./Could you please pass me the book? 真题1：一Can I borrow your dictionary?【2023XX市高二期末】 Sorry,I it to Tom just now. A)lent B)lend C)have lent D)will lend 答案：A 真题2：You_be careful with the knife.It's very sharp.【2022XX省高中联考】 A)can B)may C)must D)might 答案：C 考点二：may/might的用法 结构：may表示“许可、可能性（肯定句）”；ight表示过去的许可、可能性（低于 may)、委婉建议 例句：You may leave the classroom now./It might rain this afternoon. 真题1：一I use your phone?Mine is out of power..【2021XX市高三一模】 —Sure,here you are. A)Must B)Should C)May D)Need 答案：C 真题2：The story_be true,butI'm not sure.【2023新高考IⅡ卷模拟】 A)must B)may C)need D)will 答案：B 考点三：must/have to的用法 结构：must表示“必须、肯定推测（肯定句）”：have to强调客观需要“不得不”；mustn't 表示“禁止”，needn't表示“不必” You must wear a seat belt when driving./She has to work overtime today. 真题1：—Must I finish the report today?【2022全国甲卷模拟】 -No,you_.You can hand it in tomorrow. A)mustn't B)needn't C)can't D)shouldn't 答案：B 真题2：Hebe at home now.The door is locked.【2023XX省高考真题】 A)mustn't B)can't C)needn't D)shouldn't 答案：B 考点四：should/ought to的用法 结构：should/ought to表示“应该、建议、推测（按理应该）”；should have done表示 “本应该做却未做” You should apologize for your mistake./She ought to have arrived by now. 真题1：You have told me the truth earlier..It's too late now.【2022XX市高三二模】 A)must B)should C)can D)may 答案：B 真题2：-Where is Lucy? 一She_be in the library.She often reads there.【202lXX省高二期末】 A)must B)need C)should D)would 答案：C 考点五：will/would的用法 结构：wil表示“意愿、习惯、将来”；wold表示过去的习惯、委婉请求/意愿 I will help you with your homework.When I was young,I would swim in the river. 真题1：一you please close the window?It's cold outside.【2023新高考I卷模拟】 -Sure. A)Must B)Should C)Would D)Need 答案：C 真题2：Every moming,my grandfathergo for a walk in the park.【2022XX市高三质 检】 A)will B)would C)shall D)should 答案：A 考点六：need/dare的用法 结构：need作情态动词表示“需要”（否定needn't),作实义动词后接todo;dare作情 态动词表示“敢”，多用于否定/疑问句，作实义动词后接tod0 例句：You needn't come so early./She dare not speak in public 真题1：You don'tto hand in your homework now.You can do it after lunch.【2021XX 省联考】 A)need B)dare C)must D)should 答案：A 真题2：一Dare he swim across the river?【2022XX市高二期末】 -No,he A)daren't B)doesn't dare C)needn't D)shouldn't 答案：A 考点七：情态动词表推测 结构：must(一定，肯定句)、may/might(可能，肯定句)、cant/couldn't(不可能，否 定句)+动词原形（对现在推测)have done(对过去推测) 例句：He must be sleeping now./She can't have finished the work so soon. 真题1：The ground is wet..It rained last night..【2023XX省高考真题】 A)must have B)may have C)can have D)should have 答案：A 真题2： -W乃nere is Tom? 一He_be in the classroom.I saw him there just now.【2022全国乙卷模拟】 A)must B)may C)might D)can 答案：A 二、考点综合训练 (一)单项选择 1.-Can you speak French? -No,I,but I learn it next year. A)can't,will B)needn't,may C)mustn't:should D)shouldn't;can 2.You smoke here.It's a non-smoking area. A)might not B)needn't C)mustn't D)couldn't 3.If you_go out,please wear a mask. A)must B)may C)will D)shall 4.He have arrived on time,but he was caught in a traffic jam. A)should B)can C)must D)need 5.-I use your computer for a while? -Yes,you. A)Could;can B)Must;may C)Need;could D)Should;must 6.-Could you please help me carry the box? —Sure,I-. A)can B)could C)may D)must 7.You_park here.The sign says"No Parking" A)needn't B)mustn't C)couldn't D)shouldn't 8.-Must we hand in the homework before class? -No,you_.You can submit it this afternoon. A)mustn't B)can't C)needn't D)shouldn't 9.She have told me the news earlier.Now I've missed the chance. A)should B)must C)need D)may 10.The door is open.Hebe at home. A)can B)must C)may D)might 11.If you_go out,remember to wear a hat.It's very hot today. A)will B)must C)may D)shall 12.He_swim across the river when he was young. A)would B)will C)should D)must 13.-I use your pen?Mine is broken. -Yes,you A)Must,can B)May;could C)Could;can D)Should;may (二)完成句子 1.她现在可能正在图书馆看书。 She in the library now 2.你本应该早点告诉我这个消息的。 You me the news earlier. 3.我们必须遵守交通规则。 We_the traffic rules. 4.如果明天可能下雨，我们就待在家里。 Ifittomorrow,we will stay at home. 5.他小时候常常在这条河里游泳。 He in this river when he was a child 6.他不可能在房间里，窗户是开着的。 He_in the room.The window is open. 7:我们本应该昨天完成这项工作的。 We the work yesterday. 8.你应该多花时间练习英语口语。 You_more time practicing spoken English. 9.如果明天可能下雨，我们就取消野餐。 If it tomorrow,we will cancel the picnic. 10.当我还是个孩子的时候，我常常在这条街上玩耍。 When I was a child,I in this street. (三)短文改错 下面短文中共有5处与情态动词用法相关的错误，请找出并改正 1.I wish I can speak English as fluently as you. 2.You mustn't to smoke in the classroom. 3.Ifhe studied hard,he will pass the exam. 4.It's suggested that we would attend the lecture tomorrow. 5.You needn't told me the secret,I already knew it. (四)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 Tom:Hi,Mary.You look worried.What's wrong? Mary:I lost my new watch.I(must)have left it in the library yesterday. Tom:You_(should)be more careful with your things.Did you ask the librarian? Mary:Yes,but she said no one(find)it yet.I(may)go back to check again this after- noon. Tom:If I were you,I (would)ask the teacher for help too. Mary:Good idea!I(need)to hurry.The library_(close)at 5 pm. Tom:Let me know if you find it.You(can)call me anytime. (五)参考答案与解析 1.单项选择答案：1.A2.C3.A4.A5.A6.A7.B8.C9.A10.B 11.B12.A13.C 2.完成句子答案： 1.may be reading 2.should have told 3.must obey 4.might rain 5.would swim 6.can't be 7.should have finished 8.should spend 9.might rain 10.would play 3.短文改错答案： 1.can→could2.去掉to3.will→vould4.would->should5.told→have told 4.语法填空答案： must,should;had found;may;would;need;closes;can 英语语法复习手册·选修4·冀教版·Unit1:情态动词用法