初中英語分類練習(xí)—連詞用法詳解(共3頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上連詞部分 連詞在句中的作用是把詞與詞、短語與短語、句子與句子連接起來。它不能在句中單獨(dú)作句子成分。連詞的分類：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(duì)使用的連詞如：bo

2、thand, notbut. not onlybut also not onlybut as well eitheror neithernor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。從屬連詞引導(dǎo)的從句不可以被斷成一個(gè)句子。 如果斷開，就錯(cuò)了。 如：When the alarm clock rang. （不完整）though (although)引導(dǎo)讓步狀語從句，bec

3、ause 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(dú)使用。二、復(fù)習(xí)時(shí)需要注意的要點(diǎn)（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 wont catch the early bus.（2）表示轉(zhuǎn)折關(guān)系，連接的雙方構(gòu)成對(duì)比，意義上有轉(zhuǎn)折。常用連詞有but, however, while,

4、 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(duì)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 di

5、ligence 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(shí)戰(zhàn)演練一、例題選講例1

6、 he did not know much English，he got out his dictionary and looked up the word.AAsBForCSinceDBecause答案：A提示：for，because和as雖皆可作連詞用，表示“因?yàn)椤?，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(duì)前一分句加以解釋，兩個(gè)分句之間，總是用逗號(hào)分開。because引導(dǎo)的原因狀語從句時(shí)，往往以why問句，語氣比較重，傳遞的往往是對(duì)方未了解的新信息。as引導(dǎo)的原因狀語從句時(shí)，往往是對(duì)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

7、用as最恰當(dāng)。例2 you don't feel well，you'd better stay at home ABecauseBSince/IfCForDNow答案：B 例3I dont know he has received the package. AifBwhenCwhatDhow many答案：A提示：if表示是否，when不能與現(xiàn)在完成時(shí)連用。例4Come tomorrow, I will give it to you. AorBandCthoughDif答案：B提示：and在此處解釋為“那么”，表示遞進(jìn)關(guān)系。例5The teacher his students likes football. AandBas well asCand alsoDalso答案：B提示：as well as 連接兩個(gè)主語用靠前