modalverbs情态动词课件

you____toseethegamelastnight()mustn’tgoBshouldn’tgoCcouldhavegoneDshouldn’thavegoneshould标推测时，表示可取，要求，“应该”，buthedoesn’twanttoHowshouldIknow?IsuggestthatyoushouldstayheretillyourteachercomesShould（考点1）should用于完成时中的肯定句，情态动词可表达建议，Eg，ModalVerbs1hadbettershouldoughttoWhatismodalverb?情态动词与其他动词连用表示说话人的语气，表示应完成而未完成的动作，常用一般式，表虚拟语气，Eg，1HelookssoillHeshouldhavestayedathomeshould用于完成时中的否定句，Eg，You’dbettergetsomerestWe’dbetterstopnowYoubettersayyesiftheyaskyouthisquestion(有时可以省略had)Shouldshould表示义务，暗含可能性很大，YoushoulddowhatyourparentstellyouHeshouldlookforajob，表示不应完成但已做的动作，意为“最好”，Eg，意为“应该”或“应当”，Thefilmshouldbeverygoodbecauseithasfirst-classactorsshould可用在某些从句中，1Theyshouldn’thavelefttheclassroom1Withsomuchworkonhand，eg:CanIsitdown?YoushouldgohomenowIwillneverbeyourfriendHadbetterHadbetter是一个固定词组，可能和意愿等，Isuggestthatyou(should)obeytherulesinyournewcompanyIadvisethatyoufinishyourhomeworkwithoutanyhelpfromyourclassmatesShould（考点2）oughttoought，