内容正文:
英语
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第二部分 语法专题精讲练
专题十 主从复合句
命题点2 状语从句
[选词填空:2024.77]
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引导词(从属连词)
1.引导时间状语从句的从属连词(短语)#1
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连词(短语) 含义 用法 例句
while 当……时 具体用法和例句见本表后面的“何时用while, 何时用when的判定方法”。
when 当……时
until/till 直到 until和till通常可以互换使用, 但是till不用于句首;“not…until/till”意为“直到……才……”。 She didn't go to bed
until she finished her
homework.
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连词(短语) 含义 用法 例句
before 在……
之前 主句的动作发生在从句动作之前。 Did she leave a message before she left?
after 在……
之后 主句的动作发生在从句动作之后。 Molly showed me lots of beautiful photos after I got to her home.
续表
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连词(短语) 含义 用法 例句
since 自从 从句用一般过去时, 主句
常用现在完成时。 I have studied in the
school since I came to
this city.
as soon as 一……
就…… 从句动作一发生, 主句的
动作随即发生, 若从句用
一般现在时, 主句常用一
般将来时。 I will visit you as
soon as I come back.
续表
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何时用while, 何时用when的判定方法
1.若主句的动词是短暂性动词, 从句的动词是延续性动词, 则when和while
都可用。如:
Our teacher came into the classroom when/while we were chatting.
2.若主句和从句表示两个同时进行的持续性动作, 则要用while。如:
My mother was cooking dinner while I was reading a book.
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3.若从句的动词是短暂性动词, 则要用when。如:
It was raining when she arrived at the station.
4.若主句和从句的动作不是同时发生, 而是有先后顺序, 则要用when。如:
I will study abroad when I have enough money.
5.when可作并列连词, 意为“这时(突然)”, while也可作并列连词, 意为“而,
却”。如:
He was ready to leave home when the phone rang.
I like watching action movies while she likes watching comedies.
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2.引导条件状语从句的从属连词(短语)#2
连词(短语) 含义 用法 例句
if 如果 若从句用一般现在时, 主句常用一般将来时。 If it doesn't rain tomorrow, I will go on a picnic with my friends.
unless 除非 unless可以转化为“if…
not…”结构。主从句时态与if的用法一致。 You will be late for school unless you go now.=You will be late for school if you don't go now.
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连词(短语) 含义 用法 例句
as long as 只要 主从句时态与if的用法一
致。 I'll stay as long as you
need me.
续表
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3.引导原因状语从句的从属连词#3
连词 含义 用法 例句
because
[2024.77] 因为 表示因果关系的语气最强, 用来
回答why引导的问句, 所引出的
原因通常是听话人不知道或最感
兴趣的。 I can't go shopping
with you because I
have to look after
my little sister.
since 因为;
既然 表示因果关系的语气比because
弱, 引出的原因通常是人们已知
的事实, 因此经常译为“既然”。 Since everyone is
here, let's begin.
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连词 含义 用法 例句
as 因为 as语气比since弱, 所引出的原因
通常是人们已知的事实或在说话
人看来已经很明显的原因。 As she is not well,
I decide to go
alone.
续表
because, since和as引导原因状语从句时, 都不能和so连用。#3.1.1.1
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4.引导让步状语从句的从属连词(短语)#4
连词(短语) 含义 用法 例句
although 虽然;尽管 不能与but连用, 但是可以
与yet或still连用。 Although/Though he
is old, he is very
strong.
though
even though/
even if 即使;虽然 Even though/Even if
I may fail, I will have
a try.
whenever 无论什么时候 引导让步状语从句时相当
于no matter when。 You can ask for help
whenever you need it.
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连词(短语) 含义 用法 例句
wherever 无论在哪
里 引导让步状语从句时可转
换成no matter where。 Some people enjoy
themselves wherever
they are.
whatever 无论什么 引导让步状语从句时相当
于no matter what。 Whatever difficulties
we meet, we must
face them bravely.
续表
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连词(短语) 含义 用法 例句
whoever 无论是谁 引导让步状语从句时相当
于no matter who。 Whoever breaks the
law should be
punished.
续表
5.引导目的状语从句的从属连词(短语)
连词(短语) 含义 用法 例句
so that/in
order that 为了;
以便 后接
句子 He works hard so that/in order that he can
live a better life.
6.引导结果状语从句的从属连词短语#6
连词
(短语) 含义 用法 例句
so…that… 如此……
以至于
…… so+adj./adv.+that从句
so+adj.+a/an+可数名数单数+that从句 He always studied so hard
that he made great progress.
Mike is so honest a man
that we all believe him.
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连词
(短语) 含义 用法 例句
such…that… 如此……
以至于
…… such+a/an+adj.+可数名词单数+that从句
such+adj.+可数名词复数/不可数名词+
that从句 Mike is such an honest
man that we all believe
him.
It is such nice weather
that I'd like to take a
walk.
续表
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当名词前有many, much, few, little修饰时, 应该用so, 不能用such。
如:
There were so many people that I couldn't find a good place to take
photos.#6.1.1.1.1
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时态
1.主将从现:在时间、条件状语从句中, 若主句是一般将来时, 从句用一般
现在时。
(1)引导时间状语从句:when, while, after, before, until, as soon as, once
等。如:
I'll call you as soon as I get to Beijing.
(2)引导条件状语从句:if, unless, as long as, in case等。如:
If my mother allows me to go to the party, I will be very happy.
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1.主情从现:主句有情态动词, 从句使用一般现在时。如:
You can get good grades if you study hard.
2.主祈从现:主句为祈使句, 从句使用一般现在时。如:
Be careful when you cut the fruit.
2.since引导的时间状语从句:主句用现在完成时, 从句用一般过去时。如:
Our English teacher has worked in this school since she graduated
from Peking University.
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一、选词填空基础题
Group 1
when until unless so though
1.Jeff still works hard ________ he has achieved great success.
2.Practice is very important. You will forget the new words _______ you
often use them.
though
unless
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when until unless so though
3.You will never truly understand your parents' great love ______ you
grow up.
4.The city Xi'an is ____ popular that many people want to go there for
a trip.
5.I was about to do some shopping ______ he telephoned me.
until
so
when
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Group 2
such before while so have
1.Lisa was busy taking notes ______ Mark was giving a talk.
2.Be active in class ____ that you can improve your ability to express
yourself.
3.She will spend time with her family members as soon as she _____
time.
4.It was ______ a fine day that we had a good time in the countryside.
5.It is necessary to ask your parents or teachers for some advice _______
you make the final decision.
while
so
has
such
before
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二、完形填空
Sarah loves playing soccer, and she practices every day after
school. . .1. . it rains heavily, she trains indoors. Her coach says she
improves quickly . .2. . she works very hard. . .3. . the training is very tiring,
she never gives up. She won't stop practicing . .4. . she achieves her
dream of joining the national team. . .5. . she started playing soccer three
years ago, it has become her best friend.
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1.( ) A. Wherever B. If C. Unless
2.( ) A. whenever B. so C. because
3.( ) A. Or B. But C. Although
4.( ) A. until B. after C. as
5.( ) A. While B. Since C. Before
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