it做形式主语做常用的句型练习

For many students, it is easy to get to school.

对许多学生而言, 到校很容易。

【思一思句型剖析】

(1)“It is +adj. +动词不定式短语”句型中, it在句中作形式主语, 而真实主语是后面的动词不定式短语。有时动词不定式有自己的逻辑主语, 常由“for sb 或of sb. ”构成。

(2)it作形式主语时常用两种句式结构:

e.g It is easy for me to learn math.

It is impossible for you to enter a good college.

It’s dangerous for you to swim alone in the river.

It is very kind of you to help me with physics.

It is friendly of you to show me the way to the police station.

It is more than nice of you to help the old.

一．Fill in the blanks:

1.It is not easy _________ (for/of)us ________(learn) a foreign language.

2.It’s useful ________(for/of) us to use a map when we go to a new city.

3.Is ______ necessary to complete the design before The National Day?

4.It is _________(possibly) _______(for/of)us to fly to the moon in a spaceship.

5.It’s very kind ________(for/of) you _______(help) me with my homework.

6.It is very polite ________(for/of) him not _________(speak) loudly in public.

7.It is bad for your teeth ________(eat) so much chocolate.

8.It is good _______(for/of) your health ______(take) exercise every day.

9.It’s ________(importance) for her to get good grades in every subject.

10.It’s ________(difficulty) for Jane to get along well with others. She has such a bad temper. 二．True or False:

1.This is impossible for us to get across such a narrow bridge.

2.Sometimes it’s rudely of me to yell at my parents.

3.It’s good for your health taking exercise regularly.

4.It’s cute for him to do such a thing.

5.It’s danger for him to go into a forest alone.

三．Test

Fill in the blanks:

1.It is foolish ______ (for/of)you _____________(give up) such a good chance.

2.It is necessary _______(for/of) college students ________(master) at least a foreign language.

3.It is careless ________ (for/of)you ________(make) such a mistake.

4.It’s polite ________ (for/of)you _________(help) the woman cross the road.

5.______ is necessary for us to learn every subjects.

6.It’s _________(impossibly) for her to get over this difficulty.

True or False:

1.My parents always say that it’s dangerous of a girl to go out late at night.

2.It’s more than fool of her to trust this guy so quickly.

3.It’s bad of your health to stay at home watching TV all the day.

4.It’s important for you mastering a foreign language.

5.It’s friendly of you help me to get this important information.