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關(guān)閉窗口 英語語法詳解：原因狀語從句(四大點(diǎn))
主要的有because, as, since, seeing (that), now (that), considering (that)等：
The woolly shrank because it was washed badly. 毛衣因洗得不得法而縮水。
I can’t get to sleep because of the noise outside. 由于外面聲音嘈雜我睡不著。
Since [As] we’ve no money, we can’t buy it. 由于我們沒錢，我們無法購買它。
Seeing that it’s raining, we’d better stay indoors. 既然外邊在下雨，我們最好待在室內(nèi)。
Now that you are here, you’d better stay. 你既然來了，最好還是留下吧(既來之，則安之)。
【注】除以上提到的大家比較熟悉的引導(dǎo)原因狀語從句的從屬連詞外，when有時也可引導(dǎo)原因狀語從句(when表示“既然”)：
I can’t tell you when you won’t listen. 既然你不想聽，我就不告訴你了。
二、關(guān)于 not…because 結(jié)構(gòu)
該結(jié)構(gòu)中的否定詞有時否定主句，有時否定從句，一般要根據(jù)句子的意思作出正確或合乎邏輯的理解。若not否定主句，最好在because之前用逗號，否則會引起歧義，如下句在沒有特定上下文時就有兩種解釋：
I didn’t go because I was afraid. 我沒有去是因?yàn)榕隆?/FONT>/ 我不是因?yàn)榕虏湃ァ?/SPAN>
不過若because之前有just修飾，一般認(rèn)為not 是否定從句的：
You shouldn’t get angry just because some people speak ill of you. 你不要因?yàn)橛腥苏f你壞話而生氣。
漢語習(xí)慣上說“因?yàn)?/FONT>…所以…”，但英語習(xí)慣上卻不能將 so 與 because 連用：
因?yàn)橄掠辏晕覀兇粼诩依铩?/SPAN>
正：Because it was raining, we stayed at home. / It was raining, so we stayed at home.
誤：Because it was raining, so we stayed at home.
四、because 從句與 because of 短語的轉(zhuǎn)換
Because引導(dǎo)的原因狀語從句有時可與because of 短語轉(zhuǎn)換：
He can’t come because he is ill. / He can’t come because of his illness. 他因病不能來。
I said nothing about it because his wife was there. / I said nothing about it because of his wife’s being there. 因?yàn)樗拮釉谀莾海覍Υ耸轮蛔治刺帷?/SPAN>
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