來(lái)源:網(wǎng)絡(luò)資源 2023-01-09 20:37:57
連詞for的用法
1、for用作連詞,主要表示理由,用于引起的分句對(duì)前面的話進(jìn)行解釋,常用逗號(hào)把它和前面的分句分
開(kāi)。如:
She was angry, for she didn’t know French. 她生氣了,因?yàn)樗欢ㄕZ(yǔ)。
He must be out, for there is no light in the room. 他準(zhǔn)是出去了,因?yàn)槲堇餂](méi)有燈。
He shook his head, for he thought differently. 他搖了搖頭,因?yàn)樗胁煌敕ā?/p>
The days were short, for it was now December. 白天很短,因?yàn)檫@時(shí)已經(jīng)是十二月。
We rarely stay in hotels, for we can’t afford it. 我們很少住旅館,因?yàn)槲覀冏〔黄稹?/p>
You needn’t have watered the flowers, for it is going to rain. 你本不必澆那些花,因?yàn)榫鸵掠炅恕?/p>
He took the food eagerly, for he has eaten nothing since dawn.
他狼吞虎咽地吃了起來(lái),因?yàn)樗麖奶炝辆蜎](méi)吃過(guò)東西。
He was busy packing, for he was leaving that night.
他那時(shí)正忙著打點(diǎn)行李,因?yàn)槟翘焱砩纤鸵吡恕?/p>
She does not go out in the winter, for she feels the cold a great deal.
她冬天不出門(mén),因?yàn)樗貏e怕冷。
2、for表示結(jié)果通常不能放句首,也不能單獨(dú)使用。
for表示原因時(shí)的四個(gè)“不能”
1、for引導(dǎo)的從句不能位于它所解釋的動(dòng)詞之前:
Because it was wet he took a taxi. 因?yàn)橄掠,他叫了一輛出租車。(這里不能用for)
2、for引導(dǎo)的從句不能位于not, but或任何連詞之后:
He stole, not because he wanted the money but because he liked stealing.
他偷東西,并不是因?yàn)樗胍X(qián),而是他有這種毛病。(這里不能用for)
3、for引導(dǎo)的從句不能用于回答問(wèn)題:
—Why did you do it? 你為什么這么做?
—I did it because l was angry. 因?yàn)槲疑鷼獠胚@么做的。(這里不能用for)
4、for引導(dǎo)的從句不能單單用來(lái)復(fù)述已講過(guò)的話,而必須包括新的內(nèi)容:
He spoke in French. She was angry because he had spoken in French.
他講法語(yǔ)。因?yàn)樗v法語(yǔ),她生氣了。(這里不能用for)
但是說(shuō):
She was angry, for she didn’t know French.
她生氣了,因?yàn)樗欢ㄕZ(yǔ)。(這里用for是正確的,也可用because)
注意:之所以有這些用法上的限定,其理由是for引導(dǎo)的從句不能直接說(shuō)明某一特定動(dòng)作發(fā)生的原因,而只能
提供一些起幫助解釋作用的附加說(shuō)明。例如:
The days were short, for it was now December. 天短了,現(xiàn)在已是12月了。
He took the food eagerly, for he has eaten nothing since dawn.
他狼吞虎咽地吃了起來(lái),因?yàn)樗麖奶炝辆蜎](méi)吃過(guò)東西。
When I saw her in the river I was frightened. For at that point the currents were dangerous.
我看見(jiàn)她在河里時(shí),嚇壞了。那個(gè)地方水流非常危險(xiǎn)。
注意:在口語(yǔ)中,for從句前常稍停一下。在筆語(yǔ)中,在此處常有一個(gè)逗號(hào)。有時(shí)也用一個(gè)句號(hào)斷開(kāi),如最后
一個(gè)例子所示。上面三個(gè)例句中也可用becatse, 但用for更好些。
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