be done ；to do ；过去分词；表被动的不同?

题目

be done ；to do ；过去分词；表被动的不同?
记得老师说过make/let sb do sth 改被动就是make/let sb to do sth；
be done 也表示被动；现在又学了一个过去分词表被动,那么它们有什么不同列?

答案

make sb do sth这个短语中的do sth是不带to的不定式.在不定式作主补的时候要带上to
如：the teacher made me to stand up.
变成被动是这样的：i was made to stand up by the teacher.
被动语态有：is/am/are done:一般现在时
was/were done：一般过去时
will be done：一般将来时
would be done：一般过去将来时
am/ is/are being done：现在进行时
was/ were being done：过去进行时
has/have been done：现在完成时
had been done：过去完成时
will have been done：将来完成时
would have been done：过去将来完成时
过去分词是非谓语动词,它也可以表被动表完成
如：i heard my name called.这个句子中的called就是过去分词,它在这里是指被叫,表被动.