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1、“it”句型匯總1. It is + 被強(qiáng)調(diào)部分 + that . 該句型是強(qiáng)調(diào)句型。將被強(qiáng)調(diào)的部分放在前面,其它部分置于that之后。被強(qiáng)調(diào)部分可以是主語,賓語,表語或狀語。強(qiáng)調(diào)的主語如果是人,that可以由who換用。如果把這種句型結(jié)構(gòu)劃掉后,應(yīng)該是一個(gè)完整無缺的句子。這也是判斷強(qiáng)調(diào)句型與其它從句的方法。 It was they that (who ) cleaned the classroom yesterday. It was in the street that I met her father. 2. It is not until + 被強(qiáng)調(diào)部分 + that .該句型也是強(qiáng)調(diào)句

2、型。主要用于強(qiáng)凋時(shí)間狀語,譯成漢語”直到才”,可以說是 not . until . 的強(qiáng)調(diào)形式。 It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.(倒裝結(jié)構(gòu))= I didnt realize she was a famous film star until she took off her dark

3、 glasses. 3. It is clear ( obvious, true, possible, certain.) that .該句型中it 是形式主語,真正的主語是that 引導(dǎo)的主語從句,常譯為”清楚(顯然,真的,肯定)”是主語從句最常見的一種結(jié)構(gòu)。 It is very clear that hes round and tall like a tree. = That hes round and tall like a tree is very clear. 4. It is important ( necessary, right, strange, natural.) tha

4、t .該句型和上一個(gè)同屬一個(gè)句型。由于主句中的形容詞不同,that 后的從句中要用虛擬語氣(should + 動(dòng)詞原形),should 可以省去。建議記住該句型中的形容詞。It is important that we (should) learn English well. It is necessary that he (should) remember these words. 5. It is said (reported, learned.) that .該句型中的it 仍是形式主語,真正主語是that 引導(dǎo)的主語從句。該結(jié)構(gòu)常譯為”據(jù)說(據(jù)報(bào)道,據(jù)悉)”。 It is said t

5、hat he has come to Beijing. It is reported that another earth satellite has been put into orbit.6. It is suggested ( ordered . ) that .該句型和上一個(gè)同屬一個(gè)句型。主句中的過去分詞是表示請求,建議,命令等詞時(shí),that后的從句要用虛擬語氣(should + 動(dòng)詞原形),should 可以省。常譯為”據(jù)建議;有命令)It is suggested that the meeting ( should ) be put off. It was ordered that

6、 we ( should ) arrive there in two hours. 7. It is a pity ( a shame . ) that .該句型中,that后的從句一般用虛擬語氣(should + 動(dòng)詞原形),should可省去表示出乎意料,常譯為”竟然”。沒有這種意義時(shí),則不用虛擬語氣。 It is a pity that such a thing ( should ) happen in your class.這種事竟然發(fā)生在你們班上,真是遺憾! It is a pity that he is ill. 他生病了,真遺憾! 8. It is time ( about ti

7、me ,high time ) that .該句型中that 后的從句應(yīng)該用虛擬語氣,值得注意的是 常用過去時(shí)態(tài)表示虛擬 有時(shí)也用should + 動(dòng)詞原形,should 不能省。常譯為”是(正是)的時(shí)侯”。It is time that children should go to bed. = It is time that children went to bed. 9. It is the first ( second . ) time that .該句型要和上一個(gè)句型區(qū)別開來。該句型中的 that 從句不用虛擬語氣,而用完成時(shí)態(tài)。至于用什么完成時(shí)態(tài),由主句的謂語動(dòng)詞的時(shí)態(tài)決定。如果是一

8、般現(xiàn)在時(shí),后面從句用現(xiàn)在完成時(shí)態(tài);如果是一般過去時(shí),后面從句則用過去完成時(shí)態(tài)。該結(jié)構(gòu)中 that 可以省去;it有時(shí)用 this 替換常譯為”是某人第一、二、次做”。 It is the first time I have been here. It was the first time I had been here. 10. It is +時(shí)間段+ since .該句型主要用作處理瞬間動(dòng)詞的完成時(shí),又要和表示一段時(shí)間的時(shí)間狀語連用的問題。主句中是時(shí)間作表語,其時(shí)態(tài)是現(xiàn)在時(shí)或完成時(shí),since 引導(dǎo)的從句通常是一般過去時(shí)態(tài),而且是瞬間動(dòng)詞。如果主句是一般過去時(shí),從句則用過去完成時(shí)。It is

9、 ( has been ) 5 years since his father died. 11. It is . when .該句型中的 when 引導(dǎo)的是一個(gè)時(shí)間狀語從句,主句中的 it 指時(shí)間,表語由具體的時(shí)間充當(dāng)。常譯為”當(dāng)?shù)臅r(shí)候,是”。 It was 5 oclock when he came here. 當(dāng)他來的時(shí)候是5點(diǎn)。12. It be . before .該句型主句中的 it 指時(shí)間, 主句中的時(shí)態(tài)常是將來一般時(shí),表示“要過才”,或用過去時(shí)表示“過了才”主句中的表語多是long, not long , 3 days , 2 weeks 等表示時(shí)間段的詞或短語。 It was

10、3 days before he went to Beijing. It will be not long before he finishes his job. 13. It happens (seems, looks, appears ) that.該句型中it是形式主語,that 引導(dǎo)的是主語從句,主句中的happen , seem等詞是不及物動(dòng)詞 It happened ( so happened ) that he met his teacher in the street. 碰巧 It seems that he will be back in a few days. 看來 14.

11、 It takes sb. . to do sth.該句型中的不定式是真正的主語,it是形式主語,句型中的直接賓語是時(shí)間。常譯為”做要花費(fèi)某人”。 It took thousands of people many years to build the Great Wall. 15. It is no good (use ) doing sth.該句型中的真正主語是動(dòng)名詞短語,主句中的表語可以是no good , ( not any good ) , no use , ( not any use )。 It is no good learning English without speaking

12、 English. 16. It doesnt matter whether ( if ) .該句型中whether(if) 引導(dǎo)的從句是真正主語,該句型常譯為”不論(是否)沒關(guān)系。 It doesnt matter if they are old. 17. It is kind ( of sb. ) to do sth.該句型中的不定式短語是真正主語,如果不定式的邏輯主語是由 of引起,主句中的形容詞必須是能表示邏輯主語特征的形容詞。常見的有: bad , brave , careless, clever , cruel , foolish , good (好心的), honest , ho

13、rrible , kind , lazy , modest , naughty , nice(有教養(yǎng)的), polite, rude , silly , stupid , wise , wrong(錯(cuò)誤的)等。 這個(gè)句型可以改寫為:sb. is kind to do sth. It is kind of you to say so. = You are kind to say so. 18. It is necessary ( for sb. ) to do sth.該句型與上一個(gè)同屬一個(gè)句型。如果不定式的邏輯主語是由for引起,主句中的形容詞通常是表示重要性,緊迫性,頻繁程度,難易,安全等情

14、況的形容詞。常見的形容詞有: important, necessary, natural easy , safe , common , normal , hard , difficult , dangerous , unusual, rare , impossible , pleasant等。 在中的形容詞作表語可以用從句改寫, 如: It is important for her to come to the party. = It is important that she (should ) come to the party19. It looks ( seems ) as if .該

15、句型中it無意義。 as if 引導(dǎo)一個(gè)狀語從句。常譯為,”看起來好象”如果與事實(shí)不相符合,則用虛擬語氣 It looks as if he is ill.(真的病了) It looks as if he were ill. (沒有生?。?It seemed as if he were dying. 20. We think it important to learn a foreign language.該句型中的it 作形式賓語。為了記憶方便我們可稱該句型為"6123結(jié)構(gòu)"。6指主句中常用的動(dòng)詞:think, believe, make, find, consider, feel;1指的是形式賓語it; 2指的是賓補(bǔ)的兩種形式:形容詞或名詞;3指的是真正賓語的三種形式:

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