高中英语语法定语从句小结_高中英语语法定语从句

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定语从句

1.① 关系代词（who,whom,whose,which,that,as）

A.从句中谓语动词的人称和数与先行词一致

one of +动词复数-------He is one of the students who have been to Shanghai

the only one +动词单数-------He is the only one of the students who has been to ShanghaiB.who/whom

介词放在句尾，二者都可用------This is the girl(who/whom)we have been looking for.C.whose=of which

The claroomare broken is unoccupied.The claroomare broken is unoccupied.D.介词+关系代词

⑴v.+prep.which he had been⑵n.+prep.They are still living in the little house ’ve been⑶adj.+prep.The woker E.只用that

⑴.先行词是最高级、序数词

⑵.先行词是all,some/any/no/every+thing ,none

或only,any,few,little,no,all,none of,the very+先行词

⑶.先行词既有人又有物

⑷.who/which…….that…..?

⑸…… which…….that……

② 关系副词(when,where,why)

A.when=on which

先行词：occasion

B.where=in which

先行词：case,point,situation,condition,stage

C.why=for which

先行词：reason

2.A． when=and thenwhere=and there

B． as/which

(1)as在句前、句中、句后------which在句后

(2)非限制性定语从句放在主句之后，用as

定语从句是否定句或表示否定时，用which---He came here very late, which was unexpected

(3)As anybody can see

As we had expected

As often happens

As has been said before

As is mentioned above

As I understand

As appears

(4)As+被动语态------Which+主动语态