动词专项 情态动词-2025-2026学年初中英语语法易错点精讲（全国版）

初中全国版 【寒假专版】 动词专项语法精讲 寒假专版 情态动词专项训练 寒假语法易错点精讲 学段：初中教材：全国版 年级：动词专项 语法认知 情态动词：can/could(能力/请求)、may/might(许可/推测)、must/should(义务/建议)、情态动词 +have done(表过去推测/责备) =表示说话人的语气或态度（如能力、请求、许可、推测、义务、建议等）的动词，在句中不能单 独作谓语，需与动词原形或have done连用。 易错点讲解 易错点一：can与could表能力的时态混淆 讲解： can表示现在或普遍的能力，could表示过去的能力或委婉请求。 例句：She can speak English now.→She could speak English when she was five. 真题再现： 1.(2024全国版七年级期末)He一swim fast when he was young.Now he一not. A can could B could can C cancan D couldcould 答案：B 解析：第一空表示过去的能力用could,第二空表示现在的能力用can。 2.(2024全国版八年级月考)-一you help me carry the box?一Sure. ACan B Could 初中全国版 【寒假专版】 动词专项语法精讲 CMust D Should 答案：B 解析：此处用could表委婉请求，比can语气更委婉。 易错点二：may与might表推测的可能性程度混淆 讲解： may表示“可能”，可能性比might大；might表示“或许”，可能性较小。 例句：He may come today..→He might come tomorrow. 真题再现： 1.(2023全国版九年级期中)It一rain later,,so take an umbrella Amay B must C should Dneed 答案：A 解析：根据“take an umbrella”可知是可能下雨，用may表可能性。 2.(2023全国版八年级期末)She一be at home,butI'm not sure. A may B might Cmust D should 答案：B 解析：“I'mn not sure”表明可能性较小，用might。 易错点三：must与should表义务的语气混淆 讲解： ust表示“必须”，语气强硬：should表示“应该”，语气较委婉，表建议。 例句：You must obey the rules.一→You should study hard. 真题再现： 1.(2024全国版七年级月考)Studentswear school uniforms at school. Amust B should 2 初中全国版 【寒假专版】 动词专项语法精讲 Cmay Dcan 答案：A 解析：“wear school uniforms”是必须遵守的规定，用must。 2.(2024 全国版八年级期中)You一talk to your parents when you have problems.. A must B should Cmay D can 答案：B 解析：此处是建议，用should表示“应该”。 易错点四：情态动词+have done表过去推测与责备的混淆 讲解： must have done表示“过去一定做了某事”（肯定推测）：should have done表示“过去本应该做某 事却没做”（责备）。 例句：He must have finished his homework.→You should have told me earlier. 真题再现： 1.(2023全国版九年级期末)The ground is wet.It一_rained last night. A must have B should have C may have D could have 答案：A 解析：“地面湿了”推断昨晚一定下雨了，用must have done。 2.(2023全国版八年级月考)You一arrived on time,but you were late.. A must have B should have Cmay have D could have 答案：B 解析：“你本应该按时到却迟到了”，用should have done表责备。 易错点五：may与can表许可的用法混淆 3 初中全国版 【寒假专版】 动词专项语法精讲 讲解： may用于正式场合表许可，can用于非正式场合；否定回答用can't/nustn't,不用may not。. 例句：May I come in?→You can go now.一No,you can't. 真题再现： 1.(2024全国版七年级期中)一一I use your pen??一Yes,you一. A May can B Can may C May may D Can can 答案：A 解析：请求许可用may,肯定回答用can更口语化。 2.(2024全国版八年级期末)一May I smoke here?一No,you一 A may not B can't Cmust Dshould 答案：B 解析：may表请求许可的否定回答用can't。 易错点综合演练 综合演练 I单项选择（直击易错点) 1.She_dance well when she was a child,but now she_because of an accident.（易错点一) A can could B could can C can can D could could 2.一一you pass me the dictionary?I need to look up a word.(易错点) A Can B Could CMust D Should 3.The weather report says it._snow tomorrow,butI'm not completely sure.（易错点二) A may B might Cmust D should 4.You_brush your teeth twice a day to keep them healthy.(易错点三) A must B should Cmay D can Ⅱ.用所给词的适当形式填空（强化易错点区分） 4 初中全国版 【寒假专版】 动词专项语法精讲 1.He_(can)play the piano when he was seven,but now he_(can)not because he hasn't practiced for years..(易错点一) 2.It_may)rain heavily this afternoon,but the forecast isn't certain.（易错点二) 3.You_(must)finish your homework before watching TV.It's a rule..(易错点三) 4.They一(should)have told us the truth earlier,.but they kept silent.（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： Last weekend,I went to the park with my friends.Tom 1.-(can)run very fast when he was young,but now he 2.-(can)not because he is overweight.We saw a dark cloud,so we thought it 3.(may)rain soon.I told them we 4.(should)go home,but they wanted to stay.Later,it rained heavily.I thought they 5.(should)have listened to me.When we got home,my mom said we 6.(must)take a shower immediately to avoid catching a cold. V连词成句（聚焦易错句式） 1.could,when,he,swim,was,he,young,()(易错点一) 2.may,it,tomorrow,Iaim,()（易错点二) 3.must,we,the,follow,ules,()(易错点三) 4.should,.have,you,your,finished,.homework,()(易错点四) 参考答案 I单项选择 1B2.B3.B4.A Ⅱ.用所给词的适当形式填空 1.could,can 2.might 3.must 4.should ⅡL.短文填空 1.could 2.can 3.might 4.should 5.should 6.must 5 初中全国版 【寒假专版】 动词专项语法精讲 V.连词成句 1.He could swim when he was young. 2.It may rain tomorrow. 3.We must follow the rules. 4.You should have finished your homework 6