2.引導(dǎo)條件狀語(yǔ)從句的從屬連詞，這類連詞主要有if, unless, as [so] long as, in case 等。如：

　　Do you mind if I open the window?我開窗你不介意吧?

　　Don’t come unless I telephone. 除非我打電話，否則你別來。

　　As long as you’re happy，it doesn’t matter what you do. 只要你高興，你做什么都沒關(guān)系。

　　In case it rains they will stay at home. 萬(wàn)一下雨，他們就呆在家里。

　　注意：在條件狀語(yǔ)從句中，通常要用一般現(xiàn)在時(shí)表示將來意義，而不能直接使用將來時(shí)態(tài)。不過，有時(shí)表示條件的 if之后可能用 will，但那不是將來時(shí)態(tài), 而是表示意愿或委婉的請(qǐng)求(will為情態(tài)動(dòng)詞)。如：

　　If you will sit down for a few moments, I’ll tell the manager you’re here. 請(qǐng)稍坐, 我這就通知經(jīng)理說您來了。

　　3. 引導(dǎo)目的狀語(yǔ)從句的從屬連詞。主要的有 in order that, so that, in case, for fear等。如：

　　He raised his voice so that everyone could hear. 他提高了嗓音，以便每個(gè)人都能聽見。

　　Take your umbrella (just) in case it rains. 帶上雨傘，以防下雨。

　　She repeated the instructions slowly in order that he should understand. 她把那些指示慢慢重復(fù)了一遍好讓他聽明白。

　　 4. 引導(dǎo)結(jié)果狀語(yǔ)從句的從屬連詞。主要的有so that, so…that, such…that等。如：

　　I went to the lecture early so that I got a good seat. 我去聽演講去得很早, 所以找個(gè)好座位。

　　I had so many falls that I was black and blue all over. 我摔了許多跤，以致于全身都是青一塊紫一塊的。

　　He shut the window with such force that the glass broke. 他關(guān)窗子用力很大, 結(jié)果玻璃震破了。

　　 5. 引導(dǎo)原因狀語(yǔ)從句的從屬連詞。主要的有because, as, since, seeing (that), now (that), considering (that) 等。如：

　　He distrusted me because I was new. 他不信任我，因?yàn)槲沂切聛淼摹?/p>

　　As you are sorry，I’ll forgive you. 既然你悔悟了，我就原諒你。

　　Since we’ve no money, we can’t buy it. 由于我們沒錢，我們無(wú)法購(gòu)買它。

　　Seeing that he’s ill he’s unlikely to come. 因?yàn)樗×?，他大概不?huì)來了。

　　Now that she has apologized, I am content. 既然她已經(jīng)道了歉, 我也就滿意了。

　　 6. 引導(dǎo)讓步狀語(yǔ)從句的從屬連詞。主要的有although, though, even though, even if, while, however, whatever, whoever, whenever, wherever等。如：

　　Although they are twins, they look entirely different. 他們雖是孿生, 但是相貌卻完全不同。

　　I like her even though she can be annoying. 盡管她有時(shí)很惱人, 但我還是喜歡她。

　　You won’t move that stone, however strong you are. 不管你力氣多大, 也休想搬動(dòng)那塊石頭。

　　Whatever we have achieved, we owe to your support. 我們?nèi)〉玫囊磺谐删投細(xì)w功于你們的支持。

　　Whoever you are, you can’t pass this way. 不管你是誰(shuí)，你都不能從這里通過。

　　Whenever I see him I speak to him. 每當(dāng)我見到他，我都和他講話。

　　 7. 引導(dǎo)方式狀語(yǔ)從句的從屬連詞。主要的有as, as if, as though, the way等。如：

　　Why didn’t you catch the last bus as I told you to? 你怎么不聽我的話趕乘末班公共汽車呢?

　　He bent the iron bar as if it had been made of rubber. 他將鐵棍折彎，仿佛那是用橡皮做成的。

　　Nobody else loves you the way(=as) I do. 沒有人像我這樣愛你。

　　 8. 引導(dǎo)地點(diǎn)狀語(yǔ)從句的從屬連詞。主要的有where, wherever, everywhere, anywhere等。如：

　　The church was built where there had once been a Roman temple. 這座教堂蓋在一座羅馬寺廟的舊址。

　　I’ll take you anywhere you like. 你想到哪兒我就帶你到哪兒。

　　Everywhere I go，I find the same thing. 不管我走到哪里，我都發(fā)現(xiàn)同樣情況。

　　 9. 引導(dǎo)比較狀語(yǔ)從句的從屬連詞。主要的有than和as…as。如：

　　She was now happier than she had ever been. 現(xiàn)在她比過去任何時(shí)候都快活。

　　I glanced at my watch. It was earlier than I thought. 我看了看表，時(shí)間比我想像的早。

　　He doesn’t work as hard as she does. 他工作不像她那樣努力。

　　10. 引起名詞從句的從屬連詞。主要有that, whether, if 等，它們用于引導(dǎo)主語(yǔ)從句、表語(yǔ)從句、賓語(yǔ)從句和同位語(yǔ)從句。其中that 不僅沒不充當(dāng)句子成分，而且沒有詞義，在句子中只起連接作用;而 if, whether 雖不充當(dāng)句子成分，但有詞義，即表示“是否”。如：

　　He replied that he was going by train. 他回答說他將坐火車去。

　　I wonder if it’s large enough. 我不知道它是否夠大。

　　I worry about whether I hurt her feelings. 我為是否傷了她的感情而擔(dān)心

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