Ｉｔ ｂｅ句型大放送

张宏杰

纵观近三年的高考试题，我发现对“It be”句型的考查颇多，但考生们答得都不是很理想，所以特地把“It be ”句型总结如下：

一、It is/was +被强调部分+that/who+其它，该句型是强调句型。

例如： It was about 600 years ago that the first clock with a face and an hour hand was made.

It was not until she took offher dark glasses that I realized she was a famous film star.

二、It +be +adj./n./-ed+真主语

该句型中It作形式主语，主要包括：

1.It is +adj.+for/of sb.+to do sth(It 代替不定式作形式主语)

例如：It is very important for me to study English well.

It is very kind of you to help me.

2.It is +n./adj.+doing sth.(it 代替动名词作形式主语)

例如：It is no use helping him.

It is no good taking this medicine.

It is dangerous playing with fire.

3.It is +adj./n./-ed+that从句（It代替从句作形式主语）

(1) It is dear/obvious/possible/certain/true+that从句

例如：It is very clear that he is round and tall like a tree.

It is obvious that his words areright.

(2) It is important/necessary/vital/essential/desirable/imperative+that从句（该从句中可用虚拟语气should+do,也可不用should而只用动词原形）

例如：It is important that we (should) learn English well.

It is necessary that he (should) remember these words.

大家要注意的是，并非所有形容用于这一句型，that从句都要用虚拟语气，上面所列举的形容词以及其他具有类似含义的形容词用于这一句型时，that 从句才用虚拟语气。若是别的意义的形容词用于这一句型， that从句用陈述语气。

例如： It is strange that they finished the task quickly.

(3) It is a pity /a fact / a shame +that 从句

例如：It is a fact that English is being accepted as an international language.

It is a pity that such a thing should happen in your class.

(4) It is said/reported/learned/thought/believed+that 从句

例如：It is said that the book has been translated into foreign languages.

It is reported that another earth satelllite has been put into orbit.

(5) It is suggested/ordered+that从句（从句中用虚拟语气should+do）例如：It is suggested that the meeting (should) be put off.

It is ordered that we (should) arrive there in two hours time.

三、It be +时间+从句（该句型中it指时间）

1. It is /was+时间点+when从句

例如：It was 5 oclock when he got home.

2. It be +时间段+before从句

例如：It will be many years before we meet again.

It was 3 days before he went to America.

3.It be +时间段+since从句

例如：It is/has been 3 years since we met last time.

It was 3 years since he had left that school.

四、It is (high) time that 从句 （从句用虚拟语气should do 或过去时态）

例如：It is time that childern should go to bed.

It is time that children went to bed.

五、It be the first /second……time that 从句（从句用完成时态） 例如：

It is the first time that Ive been here.

It was the first time that I had been here.

六、It be the +形容词最高级+that (从句用完成时态) 例如：

It is the best flim that Ive ever seen.

It was the worst film that I had ever seen.

七、It is(not)(just) like sb to do sth.某人恰恰(不)是……这个样子例如：

It is like him to leave the work to others.

It isnt like him to have said anything like that

八、It is up to sb to do sth. 该由某人做……例如：It is up to paretnts to teach their children manneres.

九、It is ones turn to do sth. 轮到某人做…… 例如：It is your turn to clean our classroom today.

十、It is no wonder that…… 难怪

例如：It is no wonder that he always makes good marks.

Exercise:

1. It is difficult for us to learn a lesson in life__________ weve actually had that les-son.(2007天津)

A.until B. after C. sinceD. when

2. It is not who is right but what is right _______ is ofimportance. (2007重庆)

A. which B.it C. thatD. this

3. It is none of your business ___________ other people think about you. Believe yourself.(2007福建)

A. how B. whatC. whichD.when

4. It ____we had stayed together for a couple ofweeks ___I found we had a lot in common.(2007浙江)

A. was until; whenB. was until; that

C.wasnt until; when D.wasnt until ; that

5.--He got his first book published. It turned out to be a bestseller.

—When was _____________?

—________was in 2000 when he was still in college.(2007浙江)

A. that; This B.this; It

C. it; ThisD. that; It

6. The field research will take Joan and Paul about five months; it could be a long time____ we meet them again.(2007安徽)

A. afterB. beforeC. since D. when

7.—Where did you get to know her?

—It was on the farm ________ we worked.(2007山东)

A. that B. there C. whichD. where

8. Eugenes never willing to alter any of his opinions. Its no use ______ with him. (2006上海)

A.to argueB. arguing

C. argued D. having argued

9. _____ is our belief that improvements in health care will lead to a stronger, more prosperouseconomy.(2006浙江)

A. As B. ThatC.This D.It

10.It was after he got what he had desired _____ he realized it was not so important.(2006辽宁)

A.thatB.whenC. since D. as

11._____ in the regulations that you should not tell other people the password of your e-mail account.(2005上海)

A.What is requiredB. What requires

C. It is required D. It requires

12.It is what you do rather than what you say_____ matters.(2005天津)

A. that B.what C.which D. this

13.--Did Jack come back early last night?

--Yes. It was not yet eight oclock________he arrived home.(2005福建)

A. before B. when C. thatD. until

14.It was some time ____ we realized the truth. (2005山东)

A. when B. until C. since D. before

15. That was really a splendid evening . Its years_______ Ienjoyed myself so much(2005安徽)

A. whenB. thatC. before D. since

答案： 1-5 ACBDD 6-10 BDBDA 11-15 CABDD