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初中语法定语从句

时间:2021-07-06 14:29:00 英语 我要投稿

初中语法定语从句

  定语从句是在复合句中,修饰某一名词或代词的从句。下面是小编为大家收集整理的初中语法定语从句相关内容,欢迎阅读。

  定语从句

  1. 引导定语从句的关系词有who, whom, whose, that, when,where, why and which. 在非限制定语从句中, 只可用which, who, whose, where ,when., 如果指代前面整个句子, 多用which.

  2. 当引导定语从句的先行词前有all, any, no, little, much,very first 等词, 或先行词前为形容词最高级所修饰时,或先行词为all, anything, nothing,something, everything 时,从句的引导词只能用that.

  3. as 可做引导词引导定语从句, 多和such, the same 连用. As 引导的定语从句也可修饰整个句子, 既可放在先行词后,也可放在句子开头.

  4. 介词+which/whom/whose从句

  5. 代/名+介词+which 从句

  6. 同位语从句和定语从句

  定语从句的关系词

  引导定语从句的关系词有关系代词和关系副词,常见的关系代词包括that, which, who(宾格whom,所有格whose)等,关系副词包括where, when, why等。关系代词和关系副词放在先行词及定语从句之间起连接作用,同时又作定语从句的重要成分。

  定语从句的分类

  根据定语从句与先行词的关系,定语从句可分为限制性定语从句及非限制性定语从句。限制性定语从句紧跟先行词,主句与从句不用逗号分开,从句不可省去,非限制性定语从句主句与从句之间有逗号分开,起补充说明作用,如省去,意思仍完整。

  关系代词的用法

  1. that 既可以用于指人,也可以用于指物。在从句中作主语或宾语,作主语时不可省略,作宾语可省略。例如:

  Mary likes music that is quietand gentle.玛丽喜欢轻柔的音乐。(that作主语)

  The coat (that) I put on thedesk is blue.我放在桌子上的那件外套是蓝色的。(that作宾语)

  2.which用于指物,在句中作主语或宾语,作主语不可省略,作宾语可省略。例如:

  The building which stands nearthe train station is a supermarket.位于火车站附近的那座大楼是一家超市。(作主语)

  The film (which) we saw lastnight was wonderful. 我们昨天晚上看的那部电影很好看。(作宾语)

  3.who, whom用于指人,who 用作主语,whom用作宾语。在口语中,有时可用who代替whom,也可省略。例如:

  The girl who often helps mewith my English is from England.经常在英语方面帮助我的`那个女孩是英国人。(作主语)

  Who is the teacher (whom) LiMing is talking to? 正在与李明谈话的老师是谁?(作宾语)

  注意:

  (1)当定语从句中含有介词,介词放在句末时,who, that, which可省略,但介词在关系代词前时,只能用“介词+which/whom”结构。例如:

  This is the house in which welived last year.这是我们去年居住的房子。

  Please tell me from whom youborrowed the English novel.请告诉我你从谁那借的这本英文小说。

  (2)含有介词的固定动词词组中,介词不可前置,只能放在原来的位置上。例如:

  This is the person whom you arelooking for. 这就是你要找的那个人。

  (3)that 作介词的宾语时,介词不能放它的前面,只能放在从句中动词的后面。例如:

  The city that she lives in isvery far away.她居住的城市非常远。

  (4)关系词只能用that的情况:

  a. 先行词被序数词或形容词最高级所修饰,或本身是序数词、基数词、形容词最高级时,只能用that,而不用which.例如:

  He was the first person thatpassed the exam. 他是第一个通过考试的人。

  b.被修饰的先行词为all, any, much, many, everything, anything, none, the one等不定代词时,只能用that,而不用which.例如:

  Is there anything that you wantto buy in the shop? 你在商店里有什么东西要买吗?

  c.先行词被the only, the very, the same, the last, little, few 等词修饰时,只能用that,而不用which.例如:

  This is the same bike that Ilost.这就是我丢的那辆自行车。

  d. 先行词里同时含有人或物时,只能用that,而不用which.例如:

  I can remember well the personsand some pictures that I saw in the room.我能清楚记得我在那个房间所见到的人和一些照片。

  e.以who或which引导的特殊疑问句,为避免重复,只能用that.例如:

  Who is the girl that is crying?正在哭泣的那个女孩是谁?

  f.主句是there be 结构,修饰主语的定语从句用that,而不用which.例如:

  There is a book on the deskthat belongs to Tom. 桌子上那本书是汤姆的。

  (5)关系词只能用which,而不用that 的情况:

  a.先行词为that, those时,用which,而不用that.例如:

  What’s that which is under thedesk? 在桌子底下的那些东西是什么?

  b.关系代词前有介词时,一般用which,而不用that.例如:

  This is the room in which helives. 这是他居住的房间。

  c.引导非限制性定语从句,用which,而不用that.例如:

  Tom came back, which made us happy. 汤姆回来了,这使我们很高兴。

  关系副词的用法

  (1)when指时间,其先行词表示时间,在句中作时间状语。例如:

  This was the time when hearrived.这是他到达的时间。

  (2)where指地点,其先行词表示地点,在句中作地点状语。例如:

  This is place where he works.这是他工作的地点。

  (3)why 指原因,其先行词是原因,起原因状语作用。例如:

  Nobody knows the reason why heis often late for school. 没人知道他为什么上学总迟到。

  典型例题解析

  例 1 The second book ______I wantto read is Business @ the Speed of Thought.

  A. which B. what C. that D. as

  解析先行词 book被序数词修饰时要用that引导定语从句,故选C。

  例 2 I'll never forget the days_____I stayed with you.

  A. when B. in which C. that D.for which

  解析本题指时间,故选 A。

  例 3 The book______ is sold out atthe moment.

  A. you need B. what you need

  C. which you need it D. that youneed it

  解析 B、C、D中的what和it与先行The book相抵触,故选 A。

  例 4 Is this the place______Lincoln once lived.

  A. that B. which C. where D. when

  解析本题指地点,故选 C。

  例 5 I'm one of the boys_________ never late for school.

  A. that is B. who are C. who amD. who is

  解析本题中 who用作主语,谓语动词与先行词theboys保持一致,故选B。

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