for example,there are two sentences:
1.I love the book.
2.The book is written by Jane.
You can combine them together, using WHICH:
I love the book which is written by Jane.
Here THE BOOK, the subject of the second sentence, is taken placed by WHICH, and then two sentences became one.
内容全部来源于网络收集，如有侵权，请联系网站删除！