1、GRAMMAR复习定语从句 定语从句是高中英语的重要语法项目，其重、难点主要在选择关系词上。下面我们一起复习一下定语从句的关系词的用法。1. 关系代词关系代词可以在定语从句中作主语、宾语、定语等。引导定语从句的关系代词有that, which, who, whom, whose等。其中who和 whom指人；which指物；that和whose既可指人又可指物。如：The people who / that called yesterday want to buy the house.This is the gentleman whom I mentioned a moment ago. Ba
2、rbara works in a flower shop that / which her sister opened near the park.Someone is shouting at a driver whose car was blocking the street. They live in a house whose roof could fall in at any time.2. 关系副词引导定语从句的关系副词有when, where, why等，在从句中作时间、地点、原因状语等。如：Sunday is the only day when I can relax.Is th
3、ere a shop around here where we can get fruit?We see no reason why this band shouldnt be a huge success.3.“介词+关系代词”结构在“介词+关系代词”引导的定语从句中，关系代词只能用who（指人）或which（指物）。如：Do you know the girl to whom your brother writes?Fortunately, we had a map, without which we would have got lost.4. “名词/代词/数词+介词+关系代词”结构W
4、e held a party in a big room, the windows of which open onto the street.There are over 6,000 students in the school, many of whom come from overseas. There are five foreign teachers in our school, two of whom are from Canada.注意：1. 指物时that和which常可互换，但以下情况只能用that不能用which： 先行词被形容词最高级修饰时。如：Carl is the c
5、leverest boy that I have ever met.先行词有序数词或very, last等修饰时。如：The first thing that catches my eye is the big photo.先行词为all, little, much, everything, nothing等不定代词时。如：Ive done all that I can to help her.先行词被the same, the only, the very, the right, all, every, any, much, little, no等修饰时。如：This is the only
6、 painting in this style that we have.主句是以which, who, what 开头的特殊疑问句时。如：Who is the man that is talking with Jim?2. 关系副词和“介词+关系代词”结构常可以互换。如：I shall never forget the day when / on which we first met in the park.Its one of the few countries where / in which people drive on the left. Lucy is tired and tha
7、ts the reason why / for which she got angry easily.3. 非限制性定语从句中，which可指代整个主句或主句的一部分。如：Some of the roads were flooded, which made our journey more difficult. (which指代Some of the roads were flooded)【即学即练】I. 用关系代词、关系副词或“介词+关系代词”填空。1. Its one of the few countries _ people drive on the left.2. Ive been t
8、hinking about those questions _ you asked me last week.3. Is that the film _ a teacher gives his life to saving his student?4. That is the best movie _ Ive ever seen.5. I dont know the person _ Henry is taking care.II. 用关系词（that, which, who, whose, when, where, why）补全下面句子。Romeo and Juliet is a trage
9、dy written by William Shakespeare early in his career. The exact time 1. _ it was written is unknown. Like Hamlet, its among Shakespeares most popular plays 2. _ are frequently performed today. The reason 3. _ people like it is that it is a moving story about two young lovers. At a party, Romeo fell
10、 in love with Juliet 4. _ father forced her to marry a man she didnt like. Then she asked for help from a priest (牧师) 5. _ gave her some drugs with 6. _ she could pretend to die. However, Romeo didnt know the truth and later, he went to the place 7. _ Juliet had been buried. Thinking his life would
11、be meaningless without Juliet, he took the poison (毒药) 8. _ he had bought in advance. When Juliet woke up, she found Romeo lying beside her, dead. She was so sad that she pulled out a sword and killed herself. 参考答案GRAMMARI. 1. in which / where 2. which / that 3. in which / where 4. that 5. of whomII. 1. when 2. that 3. why 4. whose 5. who / that 6. which 7. where 8. that / which