編者按:高考前的第一輪復(fù)習(xí)也開始一段時(shí)間了,同學(xué)們都在利用這些復(fù)習(xí)的時(shí)間強(qiáng)化學(xué)習(xí),為大家整理了英語復(fù)習(xí)重點(diǎn)名詞性從句知識點(diǎn)資料,在高三英語第一輪復(fù)習(xí)時(shí),給您最及時(shí)的幫助!
一.主語從句
主語從句是在復(fù)合句中充當(dāng)主語的從句,通常放在主句謂語動詞之前或由形式主語it代替,而本身放在句子末尾。
1. It 作形式主語和it引導(dǎo)強(qiáng)調(diào)句的比較。
It 作形式主語代替主語從句,主要是為了平衡句子結(jié)構(gòu),主語從句的連接詞沒有變化。而it引導(dǎo)的強(qiáng)調(diào)句則是對句子某一部分進(jìn)行強(qiáng)調(diào),無論強(qiáng)調(diào)的是什么成分,都可用連詞that。被強(qiáng)調(diào)部分指人是也可用who/whom。
例如:
It is a pity that you didn’t go to see the film.
It doesn’t interest me whether you succeed or not.
It is in the morning that the murder took place.
It is John that broke the window.
2. 用it 作形式主語的結(jié)構(gòu)。
(1) It is +名詞+從句
It is a fact that … 事實(shí)是…
It is an honor that …非常榮幸
It is common knowledge that …是常識
(2) it is +形容詞+從句
It is natural that… 很自然…
It is strange that… 奇怪的是…
(3) it is +不及物動詞+從句
It seems that… 似乎…
It happened that… 碰巧…
(4) it +過去分詞+從句
It is reported that… 據(jù)報(bào)道…
It has been proved that… 已證實(shí)…
3. 主語從句不可位于句首的五種情況。
(1) if 引導(dǎo)的主語從句不可居于復(fù)合句句首。
(2) It is said , (reported) …結(jié)構(gòu)中的主語從句不可提前。
例如:
It is said that President Jingo will visit our school next week. (right)
That President Jiang will visit our school next week is said. (wrong)
(3) It happens…, It occurs… 結(jié)構(gòu)中的主語從句不可提前。
例如:
It occurred to him that he failed in the examination. (right)
That he failed in the examination occurred to him. (wrong)
(4) It doesn’t matter how/whether …結(jié)構(gòu)中的主語從句不可提前。
例如:
It doesn’t matter whether he is wrong or not. (right)
Whether he is wrong or not doesn’t matter. (wrong)
(5) 含主語從句的復(fù)合句是疑問句時(shí),主語從句不可提前。
例如:
Is it likely that it will rain in the evening? (right)
Is that will rain in the evening likely? (wrong)
4. What 與that 在引導(dǎo)主語從句時(shí)的區(qū)別。
What 引導(dǎo)主語從句時(shí)在句時(shí)在從句中充當(dāng)句子成分,如主語.賓語.表語,而that 則不然。
例如:
1) What you said yesterday is right.
2) That she is still alive is a consolation.
總結(jié):高三復(fù)習(xí)時(shí)間有限,還要合理分配各科時(shí)間,只要同學(xué)們參考高中頻道的英語復(fù)習(xí)重點(diǎn)名詞性從句知識點(diǎn)資料找到適合自己的高效學(xué)習(xí)方法和備考策略,相信定能在高考的戰(zhàn)役中取得勝利。
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