基础英语口语：I have to + (verb)

The words 'have to' describe something that needs to take place soon. It expresses certainty, necessity, or obligation.

Have to描述一些需要发生的事，代表一定的确定性，必需性，以及责任感。

Here are some examples:

"I have to switch schools."我需要转学了。

"I have to use the telephone."我需要用手机。

"I have to go to the bathroom."我需要去厕所。

"I have to leave."我必须要走啦。

"I have to unpack my bags."我需要把包裹收拾一下。

You can also add the word 'don't' to suggest that someone is not required to do something.

你也可以加Don't表明，你不必要做某事。

"I don't have to switch schools."

"I don't have to use the telephone."

"I don't have to go to the bathroom."

"I don't have to leave."

"I don't have to unpack my bags."