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

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
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

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

应该是 be supposed to be 被动语态

因为用法的
be supposed to be. ..