was/were supposed to do 和is/are supposed to have done是一样的意思吗

was/were supposed to do 和is/are supposed to have done是一样的意思吗 Is/Are supposed to do 与Was/Were supposed to do 的区别是什么?具体用法? be supposed to do与was/were supposed to have done you were supposed to do,那么you were supposed to have done可以吗 be supposed to be done 和be supposed to have been done的区别 be supposed to do sth 与 be supposed to have done sth的区别 was supped to do 和 is supposed to have done的区别,他两个小时前就该来了,应该 be supposed to 和should have done 区分一下sth be supposed to do和sth be supposed to be done Be (is was are were)supposed to be 求3个例句谢谢大家 what lesson were u supposed to have? be supposed to的意思