It is unlikely that...不可能……

　　2)It +不及物動(dòng)詞+從句

　　It seems/appears that...似乎……

　　It happened that...碰巧……

　　3)It + be +過去分詞+從句

　　It is said that...據(jù)說……

　　It is known to all that...眾所周知……

　　It is reported that...據(jù)報(bào)道……

　　It is believed that...據(jù)信……;人們相信……

　　It is suggested that...有人建議……

　　It must be pointed out that...必須指出……

　　It has been proved that...已證明…….例如:

　　It is believed that at least a score of buildings were damaged or destroyed.據(jù)信,至少有二十座樓房遭到破壞或徹底毀掉.

　　It is suggested that the meeting should be put off.有人建議會(huì)議延期召開.

　　It s reported that three people were killed in the accident and five were hurt badly.據(jù)報(bào)道,事故中三人喪生,五人重傷.

　　It is known to all that Taiwan is an inseparable part of China.眾所周知,臺(tái)灣是中國(guó)不可分割的一部分.

　　[鞏固練習(xí)]

　　1. Does _______ matter if he can t finish the job on time?

　　A. this B. that C. he D. it

　　2. It worried her a bit _______ her hair was turning grey.

　　A. which B. that C. if D. for

　　3. _______ is a fact that English is being accepted as an international language.

　　A. There B. This C. That D. It

　　二、學(xué)習(xí)主語從句應(yīng)該注意的幾個(gè)問題

　　1)引導(dǎo)詞that與what

　　what既有引導(dǎo)主語從句的作用,同時(shí)又在從句中作句子成分(主語、賓語、表語等).這時(shí)what相當(dāng)于all that/everything that...,常譯成"所……的(東西、事情、話等.)";而that只起連接作用,本身無實(shí)際意義,在從句中也不擔(dān)當(dāng)任何句子成分.但that引導(dǎo)的主語從句放在句首時(shí),不能省略that.

　　例如:

　　What is done can t be undone.

　　(諺語)已成定局,無可挽回.

　　What we can t get seems better than what we have.

　　我們得不到的東西似乎比已得到的要好.

　　That we should work out a plan to deal with the present serious situation is important.

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