had to do 是什么时态

had to表示不得不。

had to是一般过去时态 后加动词原形, had to do sth.意为不得不做某事，必须做某事。

扩展资料

had to的例句：

I had papers relating to the children which my wife and I had to sign.

我有一些关于孩子的文件需要我和妻子签字。

I had to keep in with the people who mattered.

我得和管事儿的人保持良好关系。

I felt I had to give him a chance.

我觉得自己必须给他个机会。

One onlooker had to be restrained by police.

一个旁观者遭到了警察的.制止。

had to 与have to用法的区别

用法没有任何不同，只是时态不同。had to 是一般过去时，have to 是一般现在时。

had to和have to都是“不得不”的意思，但是：had to是一般过去时态，

比如：It was rainy, so I had to stay at home yesterday.

昨天下雨了，所以我不得不呆在家。

have to是一般现在时态，比如：You have to finish your homework before you watch TV.

你必须先完成作业再看电视。