英語連詞用法大全
說到連詞大家可能最先想到的就是“and”“or”“but”，除了這些還有哪些連詞呢，這些連詞的結(jié)構(gòu)、用法又是怎樣的呢，下面就來詳細了解一下初中英語連詞的具體用法。
英語連詞用法大全,英語常用連詞有哪些
連詞的定義
連詞是連接字、短語、從句與句子的詞，是虛詞，因此它不能獨立擔(dān)任句子成分。連詞主要分為兩大類：并列連詞和從屬連詞。并列連詞用來連接并列關(guān)系的詞、詞組或分句。它包括：and，or，but，so，for，both…and，either…or，neither…nor，not only…but also。
從屬連詞用來引導(dǎo)從句，它包括： that， when， till， until， after， before， since，because，if，whether，though，although，so…that，so that，in order that，as soon as
并列連詞用來連接具有并列關(guān)系的詞，短語或句子。常見的并列連詞有：
英語連詞用法大全,英語常用連詞有哪些
(1)表并列關(guān)系的and, both…and, not only…but also, neither…nor等。
(2)表選擇關(guān)系的or, either…or等。
(3)表轉(zhuǎn)折關(guān)系的but, while等。
(4)表因果關(guān)系的for, so等。
知識點概述
并列連詞和從屬連詞的用法
連詞是連結(jié)單詞、短語、從句或句子的虛詞， 在句子中不單獨作句子成份。
連詞按其性質(zhì)可分為：
1．并列連詞 如：and, or, but, for, 等， 連接并列的詞與詞，短語與短語，句子與句子。
如：Rice and potatoes are common foods. （詞與詞）
Today we can travel by plane. （短語與短語）
Many trees lose their leaves in winter, but evergreen trees do not. （ 句子與句子）
關(guān)聯(lián)連詞是一類成對使用的連詞
如：both……and……, not……but…….
not only……but also…… not only…but… as well
either……or…… neither……nor……
關(guān)聯(lián)連詞必須后接同樣的語法結(jié)構(gòu)。
如：Either the windows were opened or the door was opened.
2．從屬連詞 如：that, whether, when, because, though 等， 用以引導(dǎo)名詞性從句和狀語從句。
英語連詞用法大全,英語常用連詞有哪些
3．從屬連詞引導(dǎo)的從句不可以被斷成一個句子。 如果斷開，就錯了。
如：When the alarm clock rang. （不完整）
4． though (although)引導(dǎo)讓步狀語從句，because 引導(dǎo)原因狀語從句， 所以though(although)不能和并列連詞but ，because 不能和并列連詞 so一起使用。 只能單獨使用。
復(fù)習(xí)時需要注意的要點
（1）表示選擇關(guān)系的連詞，連接的雙方只取其一。常用連詞有or, either...or, otherwise
例如：
1）You can go to Beijing either today or tomorrow
2）You must get up early or you won’t catch the early bus.
（2）表示轉(zhuǎn)折關(guān)系，連接的雙方構(gòu)成對比，意義上有轉(zhuǎn)折。常用連詞有but, however, while, only
例如：
1） His brother is fond of football while he likes basketball.
2） You can watch TV, but you must finish your homework first.
（3）表示聯(lián)合關(guān)系，聯(lián)合的雙方是對等的，意義上趨向一致。常用連詞有：and, both...and, neither...nor, not only...but also, as well as, together with
例如：
1） To study English well, we need both diligence and careful.
2） That horse is not only the youngest among the five, but also runs the fastest.
（4）表示因果關(guān)系，連接的雙方，互為因果，或者前因后果，或者前果后因。常用的連詞有：for, so, therefore
例如：
1） It must have rained, for the ground is wet.
2） You are in the right, therefore they should support you.
實戰(zhàn)演練
一、例題選講
例1 he did not know much English，he got out his dictionary and looked up the word.
A． As B． For
C． Since D． Because
答案： A
提示： for，because和as雖皆可作連詞用，表示“因為”，但用法有些區(qū)別。for引導(dǎo)的分句總是置于另一分句之后，常常對前一分句加以解釋，兩個分句之間，總是用逗號分開。because引導(dǎo)的原因狀語從句時，往往以why問句，語氣比較重，傳遞的往往是對方未了解的新信息。as引導(dǎo)的原因狀語從句時，往往是對方也知道的信息。本句是他拿出詞典查，顯然，“他知道的英語單詞不多”，這是明擺著的事，所以用as最恰當(dāng)。
例2 you don't feel well，you'd better stay at home．
A． Because B． Since/If
C． For D． Now
答案： B
例3 I don’t know he has received the package.
A． if B． when
C． what D． how many
答案： A
提示： if表示是否，when不能與現(xiàn)在完成時連用。
例4 Come tomorrow, I will give it to you.
A． or B． and
C． though D． if
答案： B
提示： and在此處解釋為“那么”，表示遞進關(guān)系。
例5 The teacher his students likes football.
A． and B． as well as
C． and also D． also
答案： B
提示： as well as 連接兩個主語用靠前原則。
例6 We were having lunch some one knocked at the door.
A． as B． a soon as
C． when D． while
答案： C
填入適當(dāng)?shù)倪B詞。
1. My brother is ill, ________ I have to stay at home.
2. The film must be very interesting, ________ many people are buying tickets in line.
3. My computer is new, ________ it is too expensive.
4. She felt hungry, ________ she didn’t have breakfast.
5. A customer came in, ________ I stopped my work.
6. He has a lot of money, ________ he spends little.
7. Come here early, ________ you can’t see him.
8. Take some medicine, ________ you will feel better.
9. There are a lot of stories about the UFOs, _______ no one knows whether they are true or not.
10.Put on your coat, ________ you will catch cold.
11.She got a “C” in English test, ________ she had tried his best.
12.My little cousin can _________ read ________ write.
13.Please call me _______ you need my help.
14._____you have a few more days’ rest, you’ll feel better.
15._____ my father ______ my mother is a doctor. They are teachers.
16.I really don’t know ______ it is going to rain or not this afternoon.
17.You may ______do it yourself ________ leave it to me.
18.Hurry up, ______ you’ll miss the next bus.
19.Li Ming was a brave boy, ______ he had one shortcoming.
20.It’s a fine day, ____ we have a wonderful time.
21.I don’t know _______ she can speak Russian or not.
22.We haven’t decided _____ and ______ we shall meet next time.
23.That’s ______ they didn’t pass the exam.
24._______ you are right, _____ he is.
25.He ______ _____ read the book ______ _______ remembered what he read.
參考答案
1.so 2.for 3.besides 4.as 5.so 6.but 7.or 8.and 9.but 10.or
11.though 12.neither, nor 13.if/when 14.if 15.neither, nor 16.whether
17.either, or 18.or 19.though 20. 21.whether 22. 23.why
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