表愿望未达成是was to do还是was to have done

表愿望未达成是was to do还是was to have done was to do&was to have done somebody was thought to do/ have done.句型中,何时用to do,何时have do was/were supposed to do 和is/are supposed to have done是一样的意思吗 be supposed to do与was/were supposed to have done sb was found后可以加do还是done,to do doing? what was to be done?和 what should they do? was made to do sth还是 was made do sth fail to do 还是fail to have done? were/was to have done 可以代替would/should have done have sb 后面接什么?是接done 还是do.或者是to do have to ,时态,Must,it is/was neccesary to do