be likely to \ be said to \be supposed to

问题描述:

be likely to \ be said to \be supposed to
我想问这些词组这么写对不对,需不需要都加to/都加be,是不是只有这么写这些词组才"完整"?

be likely to do 好像做某事
It is said to do 据说做了某事
be supposed to do 被期望做某事