关键词不能为空

当前您在: 主页 > 英语 >

be supposed to 的用法

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-01-29 17:28
tags:

-

2021年1月29日发(作者:完美英文)


be supposed to


的用法



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< /p>


中意义不止于此,其用法如下:



1. suppose + that


从句,表示“猜测;假定”。


如:



I suppose that you are right.


我想你是对的。



You can suppose that A equals B.


你可以假定< /p>


A


等于


B




2.


suppose


+


名词


/


代词


+ to


be...


,表示“认


为??是??”。如:



Many people suppose him to be over 50.


许多


人认为他已经

< p>
50


多岁了。



3.


suppose


用于祈使句中,


表示“让??”。


如:



Suppose we go for a swim. (= Let's go for a


swim.)


让我们去游泳吧。





be supposed to


的用法




用法一:


be


supposed


to...


其中


to


是动词不定


式符号,不是介词,其后要跟动词原形。当


be supposed to...



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:



Everyone


is


supposed


to


wear


a


seat-belt


in


the


car.



每个人在汽车里都应该系安全带。



Teachers are supposed to treat all the


students alike.



老师应该对所有的学生一视同仁。




用法二:



be


supposed


to...


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:



The


new


laws


are


supposed


to


prevent


crime.


这< /p>


些新法令本应该起到防止犯罪的作用。



The


train


was supposed to arrive


half


an


hour


ago.


火车本应在半小时之前到达。




用法三:


be


supposed


to


后面接“have


+ 过去分词 ”时,


表示“本


应该做某事而没做”。如:


You are supposed to have handed in your


homework by now.



现在你应该已经把作业交上来了。



He


is


supposed


to


have


arrived


an


hour


ago.



应该一小时前就到了。




用法四:


be


supposed


to...


的否定结构为


be


not


supposed

-


-


-


-


-


-


-


-



本文更新与2021-01-29 17:28,由作者提供,不代表本网站立场,转载请注明出处:https://www.bjmy2z.cn/gaokao/586393.html

be supposed to 的用法的相关文章