情态动词基本用法-2025届高三英语一轮复习

IcanspeakEnglish.

Youshoulddoitallbyyourself.Youcanusethismachinenextweek.Wemustkeepourclassroomcleanandtidy.ModalverbsHowmanymodalverbscanyouremember?modalverbscan/couldmay/mightshall/shouldmustneedn’thave/hadtowouldoughttodareWhataremodalverbs(情态动词)?情态动词的特点情态动词有一定的意义无人称和数的变化情态动词后直接加动词原形表示说话人的语气或情绪一、语法填空二、短文改错考点1.情态动词的基本意义2.情态动词+havedone3.虚拟语气中的情态动词1.can/could1)表示能力Hecanplaytabletennisquitewell.2)表示事物一时的特征,理论上的可能性，往往翻译为“有时会”It’salwayswarmhere,butsometimesitcanbeverycold.Evenanexperiencedteachercanmakemistakes.3)表示许可/允诺Can/CouldTomusethecar?

Yes,hecan.Youcanhavemyseat.Iamgoingnow.4)表示推测，常用于否定can’tHecan’tbeintheclassroom.Isawhimontheplaygroundjustnow.翻译句子1.我能看看你的新钢笔吗？CanIhavealookatyournewpen?2.这个消息不可能是真的。Thenewscannotbetrue.2.may/might1)表示请求\许可

May/MightIcomein?Yes,youmay.2)表示可能性的推测Hemaybeintheclassroom.3)may用于祈使句表示祝愿Mayyousucceed!Mayyoureturninsafe!3.must1.必须MustIsay“sorry”?Yes,youmust./No,youneedn’t.Youmustseeadoctor.2.否定,表示“禁止”Youmustn’tplaywithfire.Youmayhurtyourself.

4.should的用法(1)（用于纠正别人）应该，应当Youshouldn’tdrinkanddrive.

(2)（用于提出或征询建议）该，可以Heshouldstopsmoking.

(3)(表示预期)应该会，可能Weshouldarrivebeforedark.Theroadshouldbelesscrowdedtoday.

(4)用于虚拟语气Iadvisethatheshouldgetupearly.Ifitweretoraintomorrow,weshouldstayathome.

5.would助动词:(will的过去式,表示过去将来时)将

Shesaidshewouldcome.情态动词:

1.(表示过去的习惯)总是,总会

Hewouldsitsilentforhours.2.(表示推测)大概,会

Ithinkhewouldaccepttheinvitation.6.dare/need既可以是情态动词，也可以是实义动词:

情态动词:

daren’tdoneedn’tdo

Idaren’tspeakawordinherclass.实义动词don’t/doesn’tdaretodosthdon’t/doesntneedtodosth

Hemustbeill.Helookssopale.1.他准是病了,他的脸色苍白。2.他们明天能按时去那儿。3.我能知道你的名字吗？4.你必须遵守校规Theycanbethereontimetomorrow.

MayIhaveyourname?Youmustobeytheschoolrules.二.情态动词+havedone（page42）

couldhavedoneshouldhavedoneneedn’thaveboughttask1Readtheexplanationonpage42task2Fillintheblank.(过去)本应该做某事而没有做________________(过去)本不必要做某事却做了_________________(过去)可能做了某事_______________________(过去)一定做了某事_______________________(过去)本可以做某事却没有做_________________might/mayhaveboughtmusthaveboughtPracticemakeperfect!

1.He______________(pass)theexam,buthewastoocareless.2.Tom,youaretoolazy.Thework_____________(fin