59 动词不定式当形容词使用

当形容词

I don’t have a key to unlock this door.

被修饰的名词兼有动词不定式的主语和宾语的功能

I'm looking for someone to help me with my work.

I have a lot of homework to do.

Do you have anything to write with.

I’m looking for someone who will help me with my work.

I have a lot of homework which I should do.

Do you have anything that I can write with?

实际发生的

There were the first men to land on the moon.

用动词不定式说明前面名词的内容，作同位语

We were surprised at her decision to become an actress.

Whales have the ability to communicate with each other.

无法归类

It’s time to go.

What is the best way to prevent cancer?

拓展

The old man needs someone to look after him.

I have no books to read now.

My father found a friend to play chess with.

She broke her promise to meet me at Beijing Railway Station.