情态动词综合-2025-2026学年九年级英语全一册语法易错点精讲（鲁教版五四制）

初中鲁教版（五四制）》 【寒假专版】 9年级语法精讲 寒假专版 情态动词综合专项训练 寒假语法易错点精讲 学段：初中教材：鲁教版（五四制）年级：9年级 语法认知 情态动词(can,may,must,should,need等)=表示说话人的语气或态度（如能力、许可、义务、推 测等)，在句中不能单独作谓语，需与动词原形一起构成谓语。 易错点讲解 易错点一：can与be able to的用法混淆 讲解： can表示先天具备的能力或客观可能性，只有现在时(can)和过去时(could);be able to强调通 过努力获得的能力，可用于各种时态。 例句：She can speak English.(先天能力)一→She was able to pass the exam after studying hard.(努力 后的结果) 真题再现： 1.(2024山东济南期中，鲁教版五四制)My grandfather一swim across the river when he was young, but now he-not because of his health. A.can;could B.could;can C.was able to;can D.could;was able to 答案：B解析：第一空描述过去的能力，用could:第二空描述现在的客观情况，用can。 2.(2023山东青岛月考，鲁教版五四制)With the help of the teacher,Lucy-solve the math problem finally. A.can B.could C.was able to D.may 答案：C解析：强调通过努力最终完成的动作，用was able to。 易错点二：must与have to的语气差异 1 初中鲁教版（五四制） 【寒假专版】 9年级语法精讲 讲解： must表示说话人主观上的“必须”，否定形式为nustn't(禁止)：have to强调客观上的“不得不”， 否定形式为don’t have to(不必)。 例句：You must finish your homework first..(主观要求)→It'sraining,so I have to stay at home.(客 观情况) 真题再现： 1.(2024山东烟台期末，鲁教版五四制)一_I return the book today?一No,you一.You can keep it for three days. A.Must;mustn't B.Must;don't have to C.Have to;needn't D.May;can't 答案：B解析：must引导的一般疑问句否定回答用don't have to/needn’t,意为“不必”。 2.(2023山东淄博期中，鲁教版五四制)Students_un in the hallway..It's dangerous! A.mustn't B.don't have to C.needn'tD.won't 答案：A解析：表示“禁止”，用nustn’t。 易错点三：情态动词表推测时的时态混淆 讲解： must用于肯定句表“一定”（现在时）；may/might表“可能”（现在或过去时，might可能性更低）： can't表“不可能”（现在时）。对过去情况推测用“情态动词+have done”。 例句：He must be at home now.(现在推测)→He can't have finished the work yesterday..(过去推 测) 真题再现： 1.(2024山东威海月考，鲁教版五四制)The ground is all wet..It_rained heavily last night. A.must B.must have C.may have D.can 答案：B解析：对过去情况的肯定推测，用must have done。 2.(2023山东日照期末，鲁教版五四制一Where is Tom?一He一be in the library..I saw him there just now. A.must B.may C.can D.need 答案：A解析：根据“刚才看到他在图书馆”，表肯定推测用must。 易错点四：need的情态动词与实义动词用法混淆 讲解： need作情态动词时，用于否定句/疑问句，后接动词原形，否定形式为needn't:作实义动词时，后 2 初中鲁教版（五四制） 【寒假专版】 9年级语法精讲 接todo,否定形式为don'tneed to。 例句：You needn't come early..(情态动词)→You don't need to worry about it.(实义动词) 真题再现： 1.(2024山东临沂期中，鲁教版五四制-Need I hand in my report today?-No,you一.You can do it tomorrow A.needn't B.don't need C.mustn'tD.can't 答案：A解析：need作情态动词，否定回答用neen’t。 2.(2023山东泰安月考，鲁教版五四制We一to buy any milk.There's still some in the fridge A.needn't B.don't need C.needD.must 答案：B解析：need作实义动词，后接todo,否定形式为don’tneed to(to可省略宾语时)。 易错点五：shall与wi训的人称搭配错误 讲解： shall用于第一人称(Iwe)表征求意见或承诺；wil用于第二、三人称表意愿或将来时。 例句：Shall we go to the park?(征求意见)→He will help you with your English.(意愿) 真题再现： 1.(2024山东滨州期中，鲁教版五四制)一_we go out for dinner tonight?一Good idea! A.Will B.Shall C.May D.Must 答案：B解析：第一人称征求意见，用shall。 2.(2023山东德州期末，鲁教版五四制)I promise I.一send you the book as soon as I finish reading it. A.shall B.will C.must D.need 答案：B解析：第二人称表承诺，用wil(I promise后常用will)。 易错点综合演练 综合演练 I.单项选择（直击易错点） 1.My brother-play the piano when he was five,but now he_join the music club because he hasn't practiced for years.(易错点一) A.can;could B.could;can C.was able to;can D.could;was able to 3 初中鲁教版（五四制）》 【寒假专版】 9年级语法精讲 2.一_I finish the project before Friday?-No,you=.You can hand it in next Monday..(易错点二) A.Must;mustn't B.Must;don'thave to C.Have to;needn't D.May,can't 3.The door is locked.She_be at home now.(易错点三) A.must B.may C.can't D.need 4.一Need we take umbrellas with us?-No,you_.The weather report says it won'train.(易错点 四) A.needn't B.don'tneed C.mustn't D.can't Ⅱ.用所给词的适当形式填空（强化易错点区分） l.After months of training,May_(can)swim across the lake last week.(易错点一) 2.You-(must)park here.It'sano-parking area.(易错点二) 3.They_(must)have arrived at the station by now.The train left an hour ago.（易错点三) 4.We_(need)to wait for him.He has already left.(易错点四) 1.短文填空（综合运用四大易错点) 用适当的情态动词填空，使短文完整通顺： Yesterday,my cousin Tom came to visit me.He told me that he(can)play basketball very well when he was in middle school,but now he(can)not because of a knee injury.His doctor said he_(have to)do exercises every day to recover.I suggested we go for a walk,and he agreed.On the way,we saw a lost dog.Tom said it(must)belong to the old lady who lives nearby because he saw her walking a similar dog yesterday.We took the dog to her,and she was very grateful.She said we(need)to leave our phone numbers in case she needed help again. V连词成句（聚焦易错句式） l.be,able to,.after,.hard,he,the,exam,pass,studying(.)(易错点一) 2.I,finish,must,homework,my,now,()（易错点二) 3.the,window,broker,be,can’t,Tom,()(易错点三) 4.need,we,to,early,.tomorrow,come,(?)(易错点四) 参考答案 I单项选择 1B2.B3.C4.A 4 初中鲁教版（五四制） 【寒假专版】9年级语法精讲 Ⅱ.用所给词的适当形式填空 1.was able to 2.mustn't 3.must 4.don'tneed III短文填空 1.could 2.can 3has to 4.must 5.need V,连词成句 1.He was able to pass the exam after studying hard. 2.I must finish my homework now. 3.Tom can't be the broken window. 4.Need we to come early tomorrow? 5