supposed to be,为什么suppose加ed?

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/07/02 18:35:02

supposed to be,为什么suppose加ed?
不知和被动或是时态有关?
相关短语还有类似的吗为什么呢

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suppose 一般两种用法
suppose + 宾语从句,表示猜,我认为,想
be supposed to do是因为suppose前面有个谓语的,supposed在这里是被动语态用法,表示应该.
所以两种用法而已,你可以说
I was supposed to meet him at 2pm,but he didn't show up.
我该和他下午2点见的,但他没来.
I suppose you knew it.
我猜你早就知道了

supposed to be,为什么suppose加ed? suppose to与be supposed to be suppose to do sth还是supposed (2/3) be there now .A suppose to;B are supposed to;C suppose be suppose to do和be supposed to do lucky 和luckily Be supposed to do 和 suppose to do 有什么区别 They_ to be here an hour ago.A:suppose B:supposed C:were sup be supposed to do的否定为什么? be suppose to be supposed to be是什么意思 be supposed to do 请问这里是用suppose to还是用supposed to