定语从句一定要分析句子.
1.The person sits beside the desk (who is )reading the books just now is my English teacher.
2.The story that my teacher told us yesterday was very interesting.
3.The girl who is tapping is my sister.
4.The girl who is reading books.
5.The boy who is buying a ice-cream.
6.The student sitting beside me.
7.The bird singing in the tree.(不用on )
8.The film that I have seen.
9.The coin that Tom has swallowed.