總結是對某一特定時間段內的學習和工作生活等表現情況加以回顧和分析的一種書面材料，它能夠使頭腦更加清醒，目標更加明確，讓我們一起來學習寫總結吧。大家想知道怎么樣才能寫一篇比較優質的總結嗎？以下我給大家整理了一些優質的總結范文，希望對大家能夠有所幫助。
初中語法定語從句詳解總結篇一
定語從句由關系詞（關系代詞、關系副詞）引導，關系代詞、關系副詞位于定語從句句首。下面小編為大家帶來初中語法定語從句詳解，僅供參考，希望能夠幫到大家。
在復合句中，修飾名詞或代詞的從句叫定語從句，被修飾的名詞或代詞叫先行詞，引導定語從句的有關系代詞who,whom, whose,which,that等和關系副詞where,when,why等，關系代詞和關系副詞在定語從句中擔任句子成份。
1、由who引導的定語從句中，who用作主語，如： this is the boy who often helps me.
2、由whom引導的定語從句中，whom用作賓語，如：the man whom you are waiting for has gone home.
3、由whose引導的定語從句中，whose用作定語，如： do you know the girl whose skirt is white?
4、由which引導的定語從句中，which用作主語或謂語動詞的賓語或介詞的賓語，如：
the room in which there is a machine is a work shop.
the river which is in front of my house is very clean.
this is the pen which you want.
（1）whom, which用作介詞賓語時 ， 介詞可放在 whom、which之前 ， 也可放在從句原來的位置上;但在含有介詞的動詞固定詞組中，介詞只能放在原來的位置上。如： he is the very person whom we must take good care of.
（2）引導非限制性定語從句時，必須用關系代詞which，不用that,如：i have lost
my bag, which i like very much.
（3）關系代詞在句中作主語時，從句的謂語動詞的人稱和數必須和先行詞保持一致。
5、由that引導的定語從句中，that可以指人或物，在從句中作主語或謂語動詞的賓語，但不能放在介詞后面作介詞賓語，如：
the book that i bought yesterday was written by lu xun.
注意在下面幾種情況下必須用 that引導定語從句。
（1）先行詞是不定代詞all, few, little, much, something, nothing, anything等 ， 如 ：
all that we have to do is to practise english.
（2）先行詞被序數詞或形容詞最高級所修飾，如
the first letter that i got from him will be kept.
（3）先行詞被all, any, every, each, few, little, no, some等修飾 ， 如
i've eaten up all the food that you gave me.
（4）先行詞被the only, the very, the same, the last修飾時如
he is the only person that i want to talk with.
（5）先行詞既有人又有物時，如:
they talked about persons and things that they met.
（6）當句中已有who時 ， 為避免重復 ， 如 ： who is the man that is giving us the class?
6.由when, where, why引導的定語從句，如:
i don't know the reason why he was late.
this is the place where we have lived for 5 years.
i'll never forget the day when i met mr li for the first time.
注意：先行詞是表示地點時，如果從句的謂語動詞是及物的'，就用 that（which），如果從句的謂語動詞是不及物的，就用where引導。this is the house which /that he has lived in for 15 years.（where he has lived for 15 year.）
7、限制性定語從句和非限制性定語從句
（1）限制性定語從句是句中不可缺少的組成部分，主句和從句之間不用逗號分開。引導非限制性定語從句的關系代詞有who, whom, whose, which, of which等，這些關系代詞都不能省略。
（2）非限制性定語從句是對主句先行詞的補充說明 ， 沒有這種從句 ， 不影響主句意思的完整 ， 一般用逗號把主句和從句分開 ， 關系代詞用 which,不用that;指人時可用who,如 ： i have two brothers, who are both students.
8、如何簡化定語從句
（1）、定語從句簡化為形容詞或形容詞短語作后置定語。如:
my grandfather lives in a village that is far away from here.
→my grandfather lives in a village far away from here.我祖父住在離這兒很遠的一個村子。
this is a book that is worth reading.
→this is a book worth reading. 這是一本值得看的書。
（2） 定語從句簡化為現在分詞或現在分詞短語作前置或后置定語。
the man who is standing under the tree is our english teacher.
→the man standing under the tree is our english teacher.
站在樹下面的那個人是我們的英語老師。
i saw the house that was burning at that time.→i saw the burning house at that time.
當時我看到那房子在燃燒。
（3）定語從句簡化為過去分詞短語作后置定語。
i like to see the films which are directed by zhang yimou.→i like to see the films directed by zhang yimou. 我喜歡看張藝謀導演的電影。
she is the girl who was praised at the school meeting.→she is the girl praised at the school meeting. 她就是在校會上受表彰的那個女孩。
（4）定語從句簡化為不定式作后置定語。
he is always the first person that comes to school.→he is always the first person to come to school.他總是第一個到校。
the report which will be given tomorrow is important to us.→the report to be given tomorrow is important to us.明天要作的報告對我們很重要。
（5）定語從句簡化為what 從句。
i couldn't remember the words that he said.→i couldn't remember what he said.
我記不得他說的話。
例 1 the second book ______i want to read is business @ the speed of thought.
a. which b. what c. that d. as
解析 先行詞 book被序數詞修飾時要用that引導定語從句，故選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 本題指時間，故選 a。
例 3 the book______ is sold out at the moment.
a. you need b. what you need
c. which you need it d. that you need it
解析 b、c、d中的what和it與先行the book相抵觸，故選a。
例 4 is this the place ______lincoln once lived.
a. that b. which c. where d. when
解析 本題指地點，故選 c。
例 5 i'm one of the boys _________ never late for school.
a. that is b. who are c. who am d. who is
解析 本題中 who用作主語，謂語動詞與先行詞the boys保持一致，故選b。
【選講例題】
例 6 her sister,______ you met at my home, was a teacher of english.
a. whom b. that c. which d. who is
解析 非限制性定語從句中 ， 關系代詞用 which,不用that,但指人時用who或whom.故選a。
例 7 these book are for students _____ mother language is not english.
a. of whom b. that c. which d. whose
解析 whose引導的定語從句中,whose用作定語，故選d。
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