可以帮我讲讲动词不定试吗 就今天

不定式“to＋动词原型”在句子中一般可归类为下面三种基本用法：

一、作名词
1.担任主语
To dance is a lot of fun.
=It is a lot of fun to dance. 跳舞非常有趣。

2.担任表语
My work is to clean the room every day. 我的工作是每天打扫这间屋子。

3.担任宾语
They began to read and write. 他们开始读和写。

4.担任宾语补足语
She asked me to speak more loudly. 她要求我再大声点。

二、作副词
1.表目的，作目的状语
Tom came to see me last night. 昨天晚上汤姆来看我。

2.表原因，作原因状语
I an glad to see you. 很高兴见到你。

三、作形容词，担任定语
Have you got anything to say? 你还有什么要说的吗？