that / who
that / who / whom
that / which
that / which
上表中黑框内的关系代词可以省略; 在口语及非正式文体中whom常被who所替代; 另外, 关系代词whose表示 “…(先行词)的”
a. Do you know the man that / who came to see Xiao Yang this morning ?
b. This is a book that / which tells about space rocket.
a. The comrade ( that / who / whom ) they came to visit is a scientist.
b. I will never forget the day ( that / which ) we spent in the countryside.
a. This is the house ( that / which ) he was born in.
b. The person ( that / who / whom ) you should write to is Mr Ball.
c. The man ( that / who / whom ) you talked with is our English teacher.
a. I know a lady whose husband is a Nobel Prize winner.
b. The child whose mother died in the fire is now an engineer in our company.
c. He is living in a house whose windows are painted white.
①.先行词被最高级或the only, the very, the same等修饰时
a. This is the best play that was written by Jack.
b. He is the only person that I can trust.
a. This is the first car that arrived this morning.
③.先行词为all, everything, nothing, something, anything等不定代词时或被不定代词all, any, no等修饰时
a. All the people that come from the country work much harder.
b. This is all that I can tell you.
a. My father and Mr Brown talked of things and persons that they remembered for about an hour.
a. Which is the train that goes to Beijing ?
2.关系代词who, which, that在定语从句中作主语时, 要注意定语从句中的主谓一致问题. 因为who / that / which指代先行词, 所以定语从句的谓语与先行词保持一致即可
a. I came to get the book that was left in the classroom.
b. I came to get the books that were left in the classroom.