初中英语动词不定式

趣味导入

1. (1) 句型1 表示“做……事情是……样的”。

It is difficult to learn French.

It is cold to walk outside in winters.

To Be or Not To Be?

当句子的表语是表示主观感情或态度的形容词，如

加一个由of引导的短语，来说明动作的执行者。

It is kind of you to help me with my homework.

It is clever of you to get all the exercises correct.

(3) 句型3 表示“某事花费某人……时间”。

It takes me over two hours to solve this problem.

(4) be+ adj. (形容词) +to do sth. (eg. adj.-glad, pleasant, sorry)

I am sorry to tell you that your application for the job has been declined.

The nurse is glad to see so many patients recover from the illness.

(5) to do 形式。

He is always the first to come and the last to go.

What’s the next to do?

She is the only girl to take part in the party.

练习：

1. It’s clever _______ you _______ so many toy ships.

A. of; making

B. of; to make

C. for; to make

D. for; making

2. It’s _______ for us _______ polite in class.

A. interesting, to become

B. good, to become C important, to be D. unnecessary, to be

3. ---Do you know Neil Armstrong?

---Yes, He is the first man ______ on the moon.

A. walk

B. walks

C. to walk

D. walked

4. As teenagers, we’re old enough ______ with housework．We can help set the table，wash the dishes and clean our own rooms.

A. to help

B. helping

C. helped

D. help

5. At times, parents find it difficult ________ with their teenage children.

A. talk

B. talked

C. talking

D. to talk

6. It takes me half an hour the piano every day.

A. play

B. playing

C. to play

D. plays

7. Many children are left alone in the countryside. Let’s try our best _______ them.

A. help

B. helping

C. to help

D. helps

The policemen promised to find the guilty.

Most students prefer to take part in sporting activities.

want to do sth. hope to do sth.plan to do sth. agree to do sth. promise to do sth.offer to do sth. decide to do sth.wish to do sth. manage to do sth.refuse to do sth. fail to do sth.remember to do sth. forget to do sth. start to do sth. begin to do sth. like to do sth.

love to do sth. hate to do sth. continue to do sth. afford to do sth. arrange to do sth. beg to do sth. expect to do sth. continue to do sth. choose to do sth. hesitate to do sth. would like to do sth.

The new computer enables me to calculate much quickly

Don’t allow other thoughts to enter your mind.

ask sb. to do sth. tell sb. to do sth. want sb. to do sth.

allow sb. to do sth.persuade sb. to do sth. enable sb. to do sth.

cause sb. to do sth. teach sb. to do sth. expect sb. to do sth.

choose sb. to do sth. elect sb. to do sth. advise sb. to do sth.

require sb. to do sth. wish sb. to do sth. order sb. to do sth.

encourage sb. to do sth.wait for sb. to sth. invite sb. to do sth.

We didn’t notice him leave.

The sad story made most of the children cry.

make sb. do sth. let sb. do sth.hear sb. do sth.

see sb. do sth. watch sb. do sth. notice sb. do sth.

listen to sb. do sth. help sb. do sth.

练习：

1. We’d better off our mobile phones. The meeting will start in a minute.

A. to turn

B. turning

C. turn

D. turned

2. Our headmaster asked us a report on how to protect wild animals.

A. write

B. writing

C. to write

D. wrote

3. Before going to the History Museum, our teacher told us the public rules.

A. obey

B. to obey

C. obeying

D. obeyed

4. The woman feels that she should let her son his own decision this time.

A. makes

B. make

C. to make

D. making

5. Abacus was used extensively years ago.

A. calculated

B. calculating

C. to calculate

D. to calculating

6. The football is light enough for a little child .

A. to raise

B. to rise

C. to raise it

D. to rise it