11.情态动词系统复习-2025-2026学年英语期末语法复习九年级上册（外研版）

期末语法复习 9年级·外研版·情态动词系统复习 情态动词系统复习详解 考点一：can/could的用法 规则：can表示“能、会”，指现在的能力；cold表示过去的能力或委婉请求。 真题再现（外研九上期末真题改编）： -Can you swim?-Yes,I A)can B)could C)may D)must 答案：A 例题练习： She _dance well when she was five. 答案：could 考点二：may/might的用法 规则：may表示“可以”，用于请求许可；might语气更委婉，可能性比may小。 真题再现： I use your dictionary?-Sure,here you are. A)Must B)Should C)May D)Need 答案：C 考点三：must/have to的用法 规则：must表示主观“必须”，否定式mustn't表示“禁止”；have to强调客观“不得 不”，过去式为had to。 真题再现： You be quiet in the library. A)can B)must C)may D)could 答案：B 例题练习： He_stay at home yesterday because he was ill. 答案：had to 考点四：should/ought to的用法 规则：should和ought to表示“应该”，ought to语气稍强，否定式为shouldn't/ought not to。 真题再现： You study hard for the exam. 答案：should 考点五：情态动词表推测的用法 规则：must用于肯定句表“一定”，can't用于否定句表“不可能”，may/might用于肯 定句表“可能”。 真题再现： The light is on.Hebe at home. A)must B)can't C)may D)might 答案：A 例题练习： It rain tomorrow.Let's take an umbrella. A)must B)can't C)may D)should 答案：C 考点六：need的用法 规则：need作情态动词时，用于否定句和疑问句，意为“需要”，肯定句中用need to do。 真题再现： -Need I finish it now?-No,you_ A)mustn't B)needn't C)can't D)shouldn't 答案：B 二、考点综合训练 (一)单项选择 1.-Could you help me carry the box?-Sure,I_ A)can B)could C)may D)must 2.Youplay with fire.It's dangerous. A)must B)mustn't C)may D)needn't 3.The girl in red be Lucy.She has gone to Beijing. A)must B)can't C)may D)might 4.It rain later.You'd better take an umbrella. A)must B)can't C)may D)should 5.-Need I return the book today?-No,you_. A)mustn't B)needn't C)can't D)shouldn't 6.We study hard to get good grades. A)should B)can C)may D)mustn't (二)语法填空 1.She(can)ride a bike when she was six years old 2.You(should)brush your teeth twice a day 3.He_(have to)leave early yesterday because of the rain. 4.The door is locked.They(must)be out. 5.-(may)I borrow your pen?-Of course. (三)句型转换 1.They must finish the work now.(改为否定句) They_the work now. 2.You may use my computer.(改为一般疑问句) -use your computer? 3.He should stay at home.（对划线部分提问) he? (四)篇章填空 It's 7:00 p.m.now.My parents 1.(must)be at home because the lights are on.I 2. _(could)hear my mother singing in the kitchen.My father 3.(should)be reading news- papers.I 4.-(may)go to the park with my friends tomorrow,but I 5.(have to)finish my homework first.If it rains,we 6.-(can)stay at home and watch a movie (五)参考答案与解析 1.单项选择答案：1.A2.B3.B4.C5.B6.A 2.语法填空答案： 1.could 2.should 3.had to 4.must 5.May 3.句型转换答案： 1.needn't finish 2.May I 3.What should;do 4.篇章填空答案： 1.must 2.could 3.should 4.may 5.have to 6.can 英语语法复习手册·9年级·外研版·情态动词系统复习