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      1. 2014年高中英語(yǔ)知識(shí)點(diǎn):主語(yǔ)從句(一)

        2013-09-13 08:11:27 來(lái)源:育路教育網(wǎng)

          2014年高中英語(yǔ)知識(shí)點(diǎn):主語(yǔ)從句歸納如下,供高考英語(yǔ)復(fù)習(xí)參考。

          主語(yǔ)從句

          主語(yǔ)從句是在復(fù)合句中充當(dāng)主語(yǔ)的從句,通常放在主句謂語(yǔ)動(dòng)詞之前或由形式主語(yǔ)it代替,而本身放在句子末尾。

          1. It 作形式主語(yǔ)和it引導(dǎo)強(qiáng)調(diào)句的比較。

          It 作形式主語(yǔ)代替主語(yǔ)從句,主要是為了平衡句子結(jié)構(gòu),主語(yǔ)從句的連接詞沒(méi)有變化。而it引導(dǎo)的強(qiáng)調(diào)句則是對(duì)句子某一部分進(jìn)行強(qiáng)調(diào),無(wú)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(yǔ)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(shí)

          (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(dòng)詞+從句

          It seems that… 似乎…

          It happened that… 碰巧…

          (4) it +過(guò)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(yǔ)從句不可位于句首的五種情況。

          (1) if 引導(dǎo)的主語(yǔ)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(yǔ)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(yǔ)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(yǔ)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(yǔ)從句的復(fù)合句是疑問(wèn)句時(shí),主語(yǔ)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(yǔ)從句時(shí)的區(qū)別。

          What 引導(dǎo)主語(yǔ)從句時(shí)在句時(shí)在從句中充當(dāng)句子成分,如主語(yǔ).賓語(yǔ).表語(yǔ),而that 則不然。

          例如:

          1) What you said yesterday is right.

          2) That she is still alive is a consolation.

          (責(zé)任編輯:盧雁明)

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