情态动词系统复习-2025-2026学年九年级英语下册语法易错点精讲（译林版）

初中译林版 【寒假专版】 9年级语法精讲 寒假专版 情态动词系统复习 寒假语法易错点精讲 学段：初中教材：译林版 年级：9年级 语法认知 情态动词(can,could,may,might,must,need,should,will,would)=表示说话人对动作或状态的看 法、态度或推测的词，在句中不能单独作谓语，需和动词原形一起构成谓语，没有人称和数的变 化。 易错点讲解 易错点一：can与be able to的混淆 讲解： can表示“能力”时，只有现在时(can)和过去时(could);be able to可用于各种时态，强调通 过努力达成的能力。 例句：I can swim..→I will be able to finish the work by Friday. 真题再现： l.(2024江苏南京期中，译林版)She ride a bike when she was five,and now she_drive a car. A.can;could B.could;can C.could,is able to D.can;was able to 答案：B解析：第一空根据“when she was five”用过去时could;第二空“now”用现在时can, 强调具备的能力。 2.(2023江苏苏州期末，译林版)My little sister speak English well next year with practice. A.can B.could C.will can D.will be able to 答案：D解析：“next year'”表示将来时，be able to可用于将来时，can无将来时，故选D。 易错点二：may与might的用法混淆 1 初中译林版 【寒假专版】 9年级语法精讲 讲解： may和might均可表示“可能”，might可能性比may更小；may还可表“许可”，might无此用法 (过去时除外)。 例句：It may rain tomorrow.→It might rain,butI'm not sure. 真题再现： 1.(2024江苏无锡月考，译林版)一I borrow your dictionary?Sory,I'm using it now. A.Must B.Should C.May D.Might 答案：C解析：表示请求许可用may,might不用于直接请求许可，符合译林版教材用法。 2.(2023江苏常州期中，译林版)You be right,but I still need to check the answer, A.may B.must C.should D.need 答案：A解析：根据“but I still need to check”可知可能性不确定，用may表“可能”。 易错点三：must与have to的误用 讲解： must强调主观“必须”，否定形式为mustn't(禁止)；have to强调客观“不得不”，否定形式为 don't have to(不必)。 例句：I must study hard.→I have to leave now because of the rain. 真题再现： 1.(2024江苏扬州期末，译林版)Youplay football in the street.It's dangerous! A.needn't B.mustn't C.don't have to D.won't have to 答案：B解析：“It's dangerous'”表示禁止，用mustn't,符合译林版教材安全警示语境。 2.(2023江苏南通期中，译林版)一Do you_wear uniforms at school'?一Yes,it'sa1 ule here. A.must B.have to C.may D.can 答案：B解析：根据“it's a rule”强调客观要求，用have to,must不用于助动词do后。 易错点四：情态动词表推测的用法混淆 讲解： must表“肯定推测”（只用于肯定句），cant表“否定推测”，may/might表“可能推测”（可用于 肯定/否定句)。 例句：He must be at home.→He can't be late.→He may be in the library. 2 初中译林版 【寒假专版】 9年级语法精讲 真题再现： 1.(2024江苏盐城月考，译林版)The light is on in his room,sohe_be at home. A.can't B.must C.may D.might 答案：B解析：“The light is on”是肯定证据，用must表“肯定推测”。 2.(2023江苏镇江期中，译林版)—Is that Lucy?一It be her.She has gone to Shanghai. A.must B.may C.can't D.might 答案：C解析：“She has gone to Shanghai'”表否定证据，用can't表“不可能”。 易错点五：need作情态动词与实义动词的混淆 讲解： need作情态动词时，后接动词原形，用于否定句/疑问句，否定形式为needn't:作实义动词时，后 接todo,否定形式为don't need to。 例句：You needn't come early..(情态动词)→You don't need to worry.(实义动词) 真题再现： 1.(2024江苏淮安期末，译林版)一Must I finish the work today?一No,you一·You can do it tomorrow A.needn't B.mustn't C.can't D.shouldn't 答案：A解析：must开头的疑问句否定回答用nee1't(不必)，符合译林版教材语法规则。 2.(2023江苏徐州期中，译林版)We_to buy tickets before entering the museum. A.needn't B.don't need C.needn't to D.not need 答案：B解析：need后接to buy,此处作实义动词，否定形式为don't need to,故选B。 易错点综合演练 综合演练 I单项选择（直击易错点） 1.She solve the math problem now,but she finish it in an hour with her teacher's help. 一) A.can;could B.could;can C.could;is able to D.can;will be able to 2.一I use your phone to call my mother??（易错点二) A.Must B.Should C.May D.Might 3 初中译林版 【寒假专版】 9年级语法精讲 3.Youl_follow the traffic rules when crossing the road.(易错点三) A.needn't B.mustn't C.don't have to D.must 4.The man in the blue coat_beMr.Li because he is in Beijing now.（易错点四) A.can't B.must C.may D.might Ⅱ.用所给词的适当形式填空（强化易错点区分） l.With hard work,she(be able to)speak French fluently next year.(易错点一) 2.It_(may)rain later,,so take an umbrella.（易错点二) 3.We_(must)keep quiet in the library.(易错点三) 4.The door is locked,sohe_(can)be at home.(易错点四) Ⅱ.短文填空（综合运用四大易错点） 用适当的情态动词填空： Yesterday,I 1.(can)not swim at all.But after taking swimming lessons for a month,I 2.be able to) swim 50 meters now.My teacher said I 3.-(may)join the school swimming team next term.However, I know I 4.-(must)practice harder.I 5.(can't)let my parents down. V连词成句（聚焦易错句式） 1.be able to,she,finish,the task,tomorrow,will()(易错点一) 2.may,I,your,borrow,uler(?)(易错点二) 3.must't,in,we,the,park,pick,flowers()(易错点三) 4.be,he,can't,late,for,school()(易错点四) 参考答案 I单项选择 1.D2.C3.D4.A Ⅱ.用所给词的适当形式填空 1.will be able to 2.may 3.must 4.can't 4 初中译林版 【寒假专版】9年级语法精讲 L短文填空 1.could 2.am able to 3.may 4.must 5.can't V.连词成句 1.She will be able to finish the task tomorrow. 2.May I borrow your ruler? 3.We mustn't pick flowers in the park. 4.He can't be late for school. 5