haveto的用法总结

have to表示客观需要做的事情，意思是“必须，不得不”，后跟动词原形，有人称、时态和单复数的变化；

have to的否定形式是don’t have to 或doesn’t have to，表示“没有必要做某事”。

We may have to take military action.

我们可能不得不采取军事行动。

We have to set a time limit for the work.

我们得为这项工作规定个期限。

Now she won\'t have to go out to work any more.

现在她不必再出去工作了。

I\'d love to come, only I have to work.

我很想去，但是我要上班。

You\'re going to have to give a little.

你可能非得稍为让步不可。