英语人教版九年级全册初三复习——情态动词

ow?——Itberainy,cloudyorsunny.Whoknows?A.mustB.mightC.shallD.shouldAB原形(过去式)用法含义例句must表示义务、命令或要求必须Wemusttellthetruthtoourparents.我们必须告诉父母真相。表示肯定的猜测(否定猜测用can’t)一定Lisamustbeathome.莉萨一定在家里。(推测现在的状况)Youmustbekidding!你一定是在开玩笑!(推测现在正在发生的状况)Theymusthaveseenthemovie.他们一定看过这部电影。(推测过去的状况)3)must的用法1.--Susanhasboughtalargehousewithaswimmingpool.--It___beveryexpensive,Ineverevendreamaboutit.AmustB.mightC.can’t2.You_______stopwhenthetrafficlightturnsred.A.canB.mustC.needFriendsmustpart.AB天下无不散之筵席原形(过去式)用法含义例句shall(should)Shall...?用于第一人称,表示建议或请求……好吗?Shallweasktheteacherforhelp?我们向老师寻求帮助好吗?should用于各种人称,强调义务或责任应该Studentsshouldn’thavelonghair.学生们不应该留长发。4)shall/should的用法1._________Iopenthewindow?It'shothere.A.MustB.ShallC.Will2.You________driveyourcarsofast.It’sverydangerous.A.wouldn’tB.shouldn’tC.couldn’tBB