考点11 九大状语从句基本考点-备战2023年中考英语一轮复习考点帮(上海专用)(解析版)

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考点 11 九大状语从句基本考点
重点:引导词,主从句中的时态
难点:引导词之间的区别
易错点:引导词之间的区别
考向一、状语从句定义
在复合句中修饰主句中的动词、形容词和副词的从句叫状语从句。
考向二、状语从句用法
状语从句根据它表达的意思不同可分为时间状语从句 、原因状语从条件状语从句
比较状语从句的状语从结果状语从句和让步状语从句。状语从句如果放在
句前通常用逗号分开。
1.时间状语从句
由连接词 whenwhilebeforeaftersinceuntil(till) as soon asas
导。
例如:(1) It was raining heavily when I left school yesterday.
(2) I haven’t seen him since he left school.
(3) It is three years since his brother joined the army.
2. 条件状语从句
if unless
现)。
例如:I will tell him the news if he comes back.
3.比较状语从句
由连接词 as…asthanthe…the…等引导。
例如:(1) I am as tall as he (is).
(2) The Yellow River is not as long as the Chang Jiang River.
(3) He works much harder than I (do).
(4) The more you study, the more you will know.
4.目的状语从句
so that…so…that 引导。
例如:He got up early so that he could catch the early bus.
5.结果状语从句
so that…so…that 引导。
例如:(1) I got up late, so I was late for school.
(2) It is such a hot day that none of us want to take a walk outside.
6.让步状语从句
由连接词 though although 引导。但要注意用了 though 就不能用 but
例如:Though he is old, he still studies English hard.
7.地点状语从句
主要有连词 where, wherever, anywhere 引导。We’ll go wherever you say.
8.原因状语从句
主要要 because, since, for, as 等引导。
Since I haven’t got her address, I can’t write to her.
9.方式状语从句
主要由 as, like, as if, as though 来引导。Do it as he asked.
She closed her eyes as though she were so tired.
考向三、状语从句重难点
考点一:主将从现
引导词:ifas soon asunlessnot…until…
考点二:whenwhileas
when: 当…时候,不限动词时态,表将来时,主将从现
while: 当…时候,进行时,延续性动词
as: 一边……一边
考点三:since
自从… 主句完成时,从句一般过去时
考点四:ifunless
if: 如果,表将来时,主将从现
unless: 除非 = if…not; 表将来时,主将从现
考点五:so…that, such…that
1. so + adj./ adv. + that 从句 (如此…以至于)
2. such + a/an + adj. + n + that 从句 (如此…以至于)
口诀:名词 such 形副 so,多少还有 so
考点六:becauseforsince as
because: 因为 (直接理由), 不与 so 连用
since: 既然,由于(明显的或双方已知的理由)
as: 由于 (since 的语气弱)
for: 置于主句之后,表示非直接的随后附加说明的理由或推断理由
1.(2022·上海普陀·九年级期中)We will have to put off the sports meeting ________ the
weather improves.
Aunless Bif Cwhen Dbecause
2.(2022·上海长宁·二模)We really enjoy the English film ________ we don’t quite
understand some of the dialogues.
Abecause Bunless Cafter Dthough
3.(2022·上海黄浦·一模)Life on the Earth will become uneasy _________ population
growth is under control.
Aalthough Bbecause Cunless Dwhen
4.(2022·上海·模拟预测)Bill Gates became interested in computers ________ in those
days they were not very common.
Abecause Balthough Cunless Dso that
5.(2022·上海·模拟预测)It won’t be long ________ we leave our junior middle school.
Abecause Buntil Cbefore Dthough
参考答案
1A
【详解】句意:除非天气好转,否则我们将不得不推迟运动会。
考查连词。unless 除非;if 如果;when 当……时候;because 因为。结合句意,我们将
推迟运动会,是在天气没有好转的情况下,因此用 unless 引导的条件状语,故选 A
2D
【详解】句意:我们真的很喜欢这部英语电影,尽管我们不太懂其中的一些对话。
考查连词辨析。because 因为;unless 除非;after 在……之后;though 尽管,虽然。根
据“we don’t quite understand some of the dialogues.”可知,此处是让步状语从句,用连
though 引导,故选 D
3C
【详解】句意:除非人口增长得到控制,否则地球上的生活将变得不安。
考查连词辨析。although 虽然;because 因为;unless 除非;when 当……时。
population growth is under control”是“Life on the Earth will become uneasy”的否定条
件,用 unless 引导条件状语从句,故选 C
考点11 九大状语从句基本考点-备战2023年中考英语一轮复习考点帮(上海专用)(解析版).docx

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