to

1. [用作主语]

• To cheat is wrong. 欺骗是错误的。

• To see is to believe. 眼见为实。

2. [用作表语]

• All you have to do is to applogize to him. 你要做的，就是向他道歉。

3. [用作宾语]

• Tell me how to do it. 告诉我如何去做。

• I want to go abroad. 我想出国。

4. [用作定语]

• in the years to come 在未来的岁月中

5. [用作状语]

• The book is difficult to understand. 这本书难懂。

6. [用作插入语]

• To be honest, I know nothing about it. 老实说，我对此一无所知。