系动词get,become,go,turn,grow等有表示变化的单词

get 作“变成”解时，有“渐渐变得......起来”的意思，其后可跟形容词、分词、介词短语或不定式作表语，间或跟名词。例如：

The weather gets warmer, and the days get longer.

I'll water them to stop the soil getting too dry.

As we get old, we find it more and more difficult to see, to hear…and to climb the stairs.

He could not wash himself or get dressed.

I didn't know she was getting married.

I don't like sports in which people easily get hurt.

I got to know him in 1990. 我是1990年认识他的。

Soon they got to be good friends. 不久他们就成了好朋友。

We got talking, and did not notice the time. 我们谈了起来，时间过去了也没注意到。

If you want to be there in time, you’d better get going. 你要是想准时到，最好就动身。

He was getting an old man. 他已经是一个老头子了。

become 作“变成”解时，指“变成好或坏的情况”，其后可跟形容词、名词、过去分词作表语。例如：

Our country is becoming stronger and stronger.

I'd like to study medicine and become a doctor.

When this soil