《我的情态动词》PPT课件.ppt

《《我的情态动词》PPT课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、情态动词沁阳一中一、情态动词+havedoneshouldhavedone2.oughttohavedone3.needn'thavedone4.could/mighthavedone5.musthavedone6.can’t/couldn’thavedone7.may/mighthavedone本应该做，而实际上未做本不需要做，而实际上做了本可以做，而实际上未做过去一定发生了某事过去一定没发生某事过去可能发生了某事表示对过去所发生的事情的推测1.You____allthoseclothes!Wehaveawashingmachinetodothatsortofthing

2、A.needn'thavewashedB.shouldn'thavewashedC.mustnothavewashedD.cannothavewashed2.John'sscoreonthetestisthehighestintheclass;he____lastnight.A.shouldstudyB.shouldhavestudiedC.musthavestudiedD.musthavetostudy3Theroomisinaterriblemess;it____cleaned.Acan'thavebeenBshouldn'thavebeenCmustn'thaveb

3、eenDwouldn'thavebeen4.Nobodyknowshowpeoplefirstcametotheseislands.They____fromSouthAmericaonrafts.AmusthavesailedBcansailCmighthavesailedDshouldhavesailed5.Iamfeelingsick.I____somuchchocolate.A.needn'thaveeatenBcouldn'thaveeatenCmustn'thaveeatenDshouldn'thaveeaten6.WhenIgottothecinema,the

4、filmhadal-readystarted;I____thereearlier.AoughttogetBoughttohavegotCmusthavegotDmustget二、can与could的用法can表现在的能力，能；会表推测，往往用于否定和疑问句中表惊讶，常用于疑问句中表一时可能性表许可，可以，能够could表过去的能力表推测，不表示过去。表许可，比can语气较委婉，回答用can注意：could与was/wereableto的区别7.Justbepatient.You__________excepttheworldtochangesosoon.can’t    

5、       B.needn’tC.maynot        D.willnot8.ItisusuallywarminmyhometowninMarch,butit_____berathercoldsometimes.MustB.canC.shouldD.would9.Thebiggestproblemformostplants,which____justgetupandrunawaywhenthreatened,isthatanimalsliketoeatthem.Ashan’tB.can’tCneedn’tD.mustn’t10.Thefirespreadthrou

6、ghthehotelveryquicklybuteveryone_____getout.A.wasabletoB.canC.couldD.would11.Thelightinhisroomisstillon,sohe_____tobed.A.mustn’thavegoneB.musthavegoneC.shouldn’thavegoneD.can’thavegone析：选D。由于他房间里的灯还亮着推测，他不可能已经上床睡觉了，应填can’thavegone。12.---CouldIborrowyourdictionary?---Yes,ofcourseyou__

7、__.A.mightB.willC.canD.should2.用于第二、三人称时,表说话人的命令，警告，强制，允诺，威胁或条文规定。Eg.Don’tworry.Youshallgettheanswerthisafternoon.Thefineshallbegivenincash.三、shall的用法1.用于第一,第三人称征求对方的意愿Eg.Shallshegototheconcertwithusthisevening?Shallwegooutforawalk?13.Afterthebellrings,whichindicat