一、主語從句的概念與類型
主語從句在復(fù)合句中作主句的主語,引導(dǎo)主語從句的詞有從屬連詞that, whether以及連接代詞who, what, which, whoever, whatever, whichever和連接副詞when, where, why, how等. 例如:
That she was chosen made us very happy.
她當(dāng)選了使我們很高興.
What caused the accident is a complete mystery.
是什么導(dǎo)致了這次事故還完全是一個(gè)謎.
Whether she will come or not is still a question.
她是否來還是一個(gè)問題.
Which team will win the match is still unknown.
哪個(gè)隊(duì)會(huì)贏得這場(chǎng)比賽還不知道.
Whoever comes to the party will receive a present.
參加聚會(huì)的每一個(gè)人都將收到一份禮物.
When they will start has not been decided yet.
他們何時(shí)出發(fā)還沒決定.
注意:上述例句中的主語從句都是放在句首,但有時(shí)為了使句子結(jié)構(gòu)平衡,避免"頭重腳輕",常用it作形式主語,而把從句放在后面. 例如:
It is a pity that she has made such a mistake.
她犯了這樣一個(gè)錯(cuò)誤,真是遺憾.
It depends on the climate whether they are going shopping today.
他們是否今天去購(gòu)物還得看天氣情況.
這樣就構(gòu)成了下面一些常用句型:
1)It is + adj. / n. +從句
It is a pity/shame that...遺憾的是……
It is possible that...很可能……
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