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一、 状语从句的含义
状语从句 (Adverbial Clause) 是指句子用作______、起______ 词作用的句子。中考阶段,充当状语的从句常用来修饰______动词,表示谓语动作发生的时间、地点、原因、条件等。
Xiaoming is reading books at home now.
本例句中,地点状语at home和时间状语now修饰位于动作read,表示该动作发生的地点和时间。这个例句说明的是状语的形式,下面看看状语从句的例子。
Xiaoming was reading books when his dad came back.
本例句中,时间状语不是一个单词(now等),也不是一个短语(last night等),而是一个有主语谓语构成的句子。这就是状语从句的外在形式。此处,该从句表明了前面主句动作“看书”的时间,所以为时间状语从句。
二、 状语从句的分类
状语从句根据其作用,可分为时间、地点、_________、条件、目的、_______、让步和比较等从句。
状语从句一般由连词(_________连词)引导,也可以由________引起。从句位于句首或句中时通常用__________与主句隔开,位于句尾时可以不用逗号隔开。
三、 状语从句的核心考点梳理
考点一:时间状语从句
1. 时间状语从句的引导词有when, _______, before, until, _____________,as,while,since, as等。前六个很常见。
2. 时间状语从句要遵循的语法规则。即:在时间状语从句中,如果主句表示将来的动作或状态(常用____________时),那么从句用________表将来的动作。
(2016天津,33原) My family always go somewhere interesting ___________ the holiday begins.
A. so B. and C. so that D. as soon as
考点二:条件状语从句
1. 条件状语的引导词有两个,if 和 unless.此处,if 是“如果”,unless是“除非”,相当于”if…not…”.
2. 条件状语从句同样要遵循 ________________ 的语法规则。
(2017天津,33改) We will stay at home if it ________ tomorrow.
A. rain B. rains C. rained D. will rain
(2018甘肃,29原) In summer, food will go bad quickly _________ we put it into a fridge.
A. if B. unless C. as soon as D. while
考点三:原因状语从句
1. 原因状语从句的引导词,常用的有四个: because, ________as, _______。其中,because 语气最强,常用以回答__________的提问。
2. since 和 as 引导从句常放在主句的_________,而because 和 for引导从句常放主句的__________。 这个作为了解和拓展,不是考试重点。
__________ the boy realized his mistakes, we didn’t have to say more.
__________ it is snowing heavily outside, my dad stayed at home to work today.
Why was you late for school yesterday?
_________ I fell sick then.
A. because B. since C. as D. for
考点四:比较状语从句
1. 比较状语从句就是我们熟悉的比较级句型。包含有同级比较和比较级两种情况。
2. 同级比较句型: “… 和 …一样”_____________________________________
“… 和…不一样;不及,不如”
(2019云南,25) Tom cannot run as _____________ as his fiends, so he practices running very hard.
A. fast B. faster C. slow D. slower
3. 比较级表示 “… 比… 更…”。标志词than.
(2019北京,6) Julie takes good care of the family dog. She is __________ than her brother.
A. patient B. more patient
C. most patient D. the most patient
考点五:结果状语从句
1. 结果状语从句引导词有: so … that… 和 _____________ 两种。
My brother was so tired that he couldn’t go any longer.
It is such a nice day that we want to fly kites today.
2. so/ such 的使用区别,有三点:
a) 都可接可数名词单数,但________不同。
… such a lovely girl that… ; … so lovely a girl that…
b) 都可接复数名词和不可数名词,但so后常接___________四个词,其余词用such。
c) 如果后面只有__________,只有名词,那么只能用so.
考点六: 目的状语从句
1. 目的状语从句的引导词有:____________ 和 in order that…。
2. in order that 不同于in order to,前者跟从句,后者跟动词不定式。
_____________ catch the first train tomorrow morning, I decided to sleep early tonight.
_____________ I could catch the first train tomorrow morning, I decided to sleep early tonight.
考点七:让步状语从句
1. 让步状语从句的引导词有两类:
a) 常用类:though, although, ever if, even though
b) 拓展类:no matter who=___________, no matter what= whatever
no matter _____= however, no matter when= whenever
2. 例句解析:
a) __________ the old man lives a simple life, he often provides his money and books for those poor students.
A. Because B. Since C. So that D. Even though
本文如果对你有帮助,请点赞收藏《彻底掌握中考状语从句所有考点 这一篇就够了》,同时在此感谢原作者。