（四）从句谓语单复数由先行词确定，时态由从句时间状语决定，不必跟主句保持一致。
1-He is one of the boys who ____ (doesn’t, don’t) finish doing homework.
2-I like films which ____(be) exciting and interesting.
3-Children who often ____(eat) junk food are easy to become fat and unhealthy.
4-That boy who _____(run) fastest is from our class.
5Those boys who ____ playing the guitar are from our school. (be)
6The trees which _____ (be) watered yesterday belong to them. 7The man who ____ over there is our teacher.(stand) 8Those boys who ____ playing the guitar are from our school. (be)
9Mr. Brown is one of the foreign experts _______ _________ (work) in China.
10I’m one of the boys ______ ________(like) English best.
(五)“介词＋关系代词”注意： 介词的选用要考虑：
A.与先行词的搭配关系
1）I will never forget the day __________ I joined the army.
2) I will never forget the days ______ I worked here.
3) I will never forget the year ____________ my son went to college.
B. 与谓语动词的搭配习惯
1）Have you found the book ________I paid 29 dollars?
2）Have you found the book ________I spent 29 dollars?
3) Have you found the book _____________we learnt a lot?
4) Have you found the book _______she often talks?
关系副词的用法
练习：
1. It must be a good place ________________we can do a lot of exercise.
2.This is the village _________________we visited last week.
3.The house _______ we live in is very big./ The house _______ we live is very big
4. The woman ___________ talked to you just now is a doctor. The woman ______ you talked to is my sister.
The woman to ___________ you talked is my sister.
5. This is the hospital ____________ I was born in.
This is the hospital in _________I was born. This is the hospital____________ I was born.