you should have done to prepare中的to prepare是句子的什么成分,相关的用法能给举个其他例子么

It is right that you should have done your homework.为什么用should have done should have done You should have got on your knee?中should have done 该怎么理解? should have done是什么意思? Thank you.I know what I should have done Could have done would have done should have done should have done与should have been done的区别? should have done 和should not have done的区别 should ought to have done would have done,might have done,could have done,should have done分别表示什么意思? should have done ,shouldn't have done.could have done,couldn't have done we fell you should not have done thatWe feel you should not have done that.这句中的feel是什么意思,什么用法~ You should pay the price for what you have done的中文意思? Thank you for the lovely gift, .A. you should do itB. you don't do it, pleaseC. you have done it alreadyD. you shouldn't have done that should have done 可以换成 ought to have done嘛? would rather have done 与should have done 的区别 should have done和could have done的区别? 英语：should have done与could have done区别? should have done 和have done有什么区别