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英語(yǔ)語(yǔ)法大全之名詞性that-從句
名詞性that-從句
1）由從屬連詞that引導(dǎo)的從句叫做名詞性that-從句。 That只起連接主句和從句的作用，在從句中不擔(dān)任任何成分，本身也沒(méi)有詞義。名詞性that-從句在句中能充當(dāng)主 語(yǔ)、賓語(yǔ)、表語(yǔ)、同位語(yǔ)和形容詞賓語(yǔ)，例如：
主語(yǔ)：That he is still alive is sheer luck. 他還活著全靠運(yùn)氣。
賓語(yǔ)：John said that he was leaving for London on Wednesday.約翰說(shuō)他星期三要到倫敦去。
表語(yǔ)：The fact is that he has not been seen recently.事實(shí)是近來(lái)誰(shuí)也沒(méi)有見(jiàn)過(guò)他。
同位語(yǔ)：The fact that he has not been seen recently disturbs everyone in his office.
近來(lái)誰(shuí)也沒(méi)有見(jiàn)過(guò)他，這一事實(shí)令辦公室所有的人不安。
形容詞賓語(yǔ)：I am glad that you are satisfied with your job.
你對(duì)工作滿意我感到很高興。
2）That-從句作主語(yǔ)通常用it作先行詞，而將that-從句置于句末，例如：
It is quite clear that the whole project is doomed to failure.很清楚，整個(gè)計(jì)劃注定要失敗。
It's a pity that you should have to leave.你非走不可真是件憾事。
用it作形式主語(yǔ)的that-從句有以下四種不同的搭配關(guān)系：
a. It + be +形容詞+ that-從句
It is necessary that… 有必要……
It is important that… 重要的是……
It is obvious that… 很明顯……
b. It + be + -ed 分詞+ that-從句
It is believed that…人們相信……
It is known to all that…從所周知……
It has been decided that… 已決定……
c. It + be +名詞+ that-從句
It is common knowledge that… ……是常識(shí)
It is a surprise that… 令人驚奇的是……
It is a fact that… 事實(shí)是……
d. It +不及物動(dòng)詞+ that-分句
It appears that…似乎……
It happens that…碰巧……
It occurred to me that… 我突然想起……
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