1.that,comes；
2.don't,that,likes；
3.that,left for；
4.that,want ；
這幾句中,that都是做連接詞的,沒有什么實際意義.
時態(tài)的話有以下歸納
時態(tài)：1·主句用一般現(xiàn)在時,從句可用任意時.
（1.I hear (that) he often reads this book.
2.I hear (that) he is reading this book.
3.I hear (that) he will read this book.
4.I hear (that) he read this book.
5.I hear (that) he has already read this book.
但是有區(qū)別）
2·主句用過去時,從句用過去某個時態(tài).
3·主句用過去時,從句是真理時,只用一般現(xiàn)在時.