谁能早个表语.主语.定语的关系代词的句子

问题描述:

谁能早个表语.主语.定语的关系代词的句子

1.This is what I said.(表语从句)
2.When he will start isn't known.(主语从句)
3.The man who is talking to our teacher is my uncle.(定语从句)
4.I don't know which is better.(宾语从句)