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（仁爱版）

期末语法复习 9年级·仁爱版·情态动词系统复习 一、情态动词核心用法详解 考点一：can/could的用法 规则：can表示”能、会”，指现在的能力：could是can的过去式，表示过去的能力，也 可用于委婉请求。 例题1（选择，仁爱九上期末真题改编）： He_swim fast when he was five A)can B)could C)may D)must 答案：B 例题2（填空）： -I use your dictionary?-Sure,here you are. 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语气比may更委婉，也可表示推测”可 能”。 例题1（选择）： -I leave the classroom now?-No,you can't. A)Must B)Should C)May D)Need 答案：C 例题2（填空）： It rain tomorrow,so take an umbrella 答案：might 考点三：must/have to的用法 规则：must表示”必须”，强调主观义务；have to表示”不得不”，强调客观需要，过去 式为had to。 例题1（选择）： You finish your homework before dinner. A)must B)may C)can D)might 答案：A 例题2（填空）： She_stay at home yesterday because she was ill 答案：had to 考点四：need的用法 规则：need作为情态动词表示”需要”，常用于否定句和疑问句，肯定句中通常用need todo:作实义动词时，有人称和数的变化，后接todo。 例题1（选择）： -Need we hand in the papers now?-No,you_ A)mustn't B)needn't C)can't D)shouldn't 答案：B 例题2（填空）： He(need)to buy a new pen. 答案：needs 考点五：should/ought to的用法 规则：should和ought to均表示”应该”，should语气稍弱，ought to更强调责任和义务， 否定形式为ought not to。 例题1（选择）： Yoube polite to your parents. A)should B)can C)may D)will 答案：A 例题2（填空）： We(ought)to help the old. 答案：ought 考点六：情态动词表推测的用法 规则：must表示”一定”，用于肯定句；can't表示”不可能”，用于否定句；may/might 表示”可能”，用于肯定句或否定句。 例题1（选择)： The light is on,so he be at home. A)must B)can't C)may D)might 答案：A 例题2（填空）： This book be Tom's.His name is on it. 答案：must 考点七：情态动词的否定形式 规则：can→cant,may→may not,must→austn't(禁止)needn't(不必)，hold→shouldn't。 例题1（选择）： Youplay football in the street.It's dangerous. A)mustn't B)needn't C)may not D)couldn't 答案：A 例题2（填空）： You(should)talk loudly in the library. 答案：shouldn't 二、考点综合训练 (一)单项选择 1.You follow the traffic rules when crossing the street. A)can B)may C)should D)might 2.-I borrow your English notebook? -Sorry,I need to use it now. A)Must B)Could C)Need D)Should 3.He_swim across the river when he was young,but now he can't. A)can B)could C)may D)must 4.The lights are off.They_be at home now. A)must B)can't C)may D)might 5.Shestay up late last night because she had too much homework. A)must B)has to C)had to D)should (二)语法填空 1.We(should)waste water.It's important to save resources. 2.-Need I return the book today? -No,you_.You can keep it for three days. 3.It(might)snow next week,so we should prepare warm clothes 4.He(need)to finish his project before Friday. 5.You(must)park here.It's a no-parking area. (三)句型转换 1.You must finish your homework now.(改为否定句) You_your homework now. 2.They may go to the park tomorrow.(改为一般疑问句) -go to the park tomorrow? 3.She should arrive here at8:00.(对划线部分提问) -she arrive here? 4.This book must be Lucy's.(改为否定句) This book Lucy's. (四)篇章填空 Dear Tom, I'm writing to ask for your help.My parents are out of town,and I 1.-(have to)take care of my little sister alone.Could you please help me buy some milk on your way home?I 2. -(can)go out because my sister is sleeping. Also,our math test is next Monday.I 3.(should)study hard,but I'm worried I 4.(might) not have enough time.Do you think we 5.(can)study together this weekend? By the way,the weather report says it 6.(may)rain tomorrow.Don't forget to take an um- brella! Best wishes, Lily (五)参考答案与解析 1.单项选择答案：1.C2.B3.B4.B5.C 2.语法填空答案：1.shouldn't2.needn't3.might4.needs5.mustn't 3.句型转换答案：1.needn't finish2.May they3.When should4.can'tbe 4.篇章填空答案：1.have to2.cant3.should4.might5.cam6.may 英语语法复习手册·9年级·仁爱版·情态动词系统复习