问题标题:
【suppose的用法】
问题描述:
suppose的用法
胡依娜回答:
suppose如何用
suppose的基本意思是“猜想;以为;假定”,但在具体的语言环境中意义不止于此,其用法如下:
1.suppose+that从句,表示“猜测;假定”.如:
Isupposethatyouareright.我想你是对的.
YoucansupposethatAequalsB.你可以假定A等于B.
2.suppose+名词/代词+tobe...,表示“认为……是……”.如:
Manypeoplesupposehimtobeover50.许多人认为他已经50多岁了.
3.suppose用于祈使句中,表示“让……”.如:
Supposewegoforaswim.(=Let'sgoforaswim.)让我们去游泳吧.
besupposedto的用法
用法一:besupposedto...其中to是动词不定式符号,不是介词,其后要跟动词原形.当besupposed
to...的主语是“人”时,意为“应该……
”;“被期望……”,它可以用来表示劝告、建议、义务、责任等,相当于情态动词should.如:
Everyoneissupposedtowearaseat-beltinthecar.
每个人在汽车里都应该系安全带.
Teachersaresupposedtotreatallthestudentsalike.
老师应该对所有的学生一视同仁.
用法:当besupposedto...的主语是“物”时,它表示“本应;本该”,用于表示“某事本应该发生而没有发生”.如:
Thenewlawsaresupposedtopreventcrime.这些新法令本应该起到防止犯罪的作用.
Thetrainwassupposedtoarrivehalfanhourago.火车本应在半小时之前到达.
用法三:besupposedto后面接“have+过去分词”时,表示“本应该做某事而没做”.如:
Youaresupposedtohavehandedinyourhomeworkbynow.
现在你应该已经把作业交上来了.
Heissupposedtohavearrivedanhourago.他应该一小时前就到了.
用法四:besupposedto...的否定结构为benotsupposed
to...,它常用于口语中,意为“不被许可;不应当”.如:
Shewasnotsupposedtobeangryaboutthat.她本不该为那件事而生气的.
Youarenotsupposedtosmokeonthebus.你不应该在公共汽车上吸烟.
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