一般现在时

I do my homework every day.

一般过去时

I did my homework yesterday.

一般将来时

I shall/will do my homework tomorrow.

现在进行时

I am doing my homework now.

过去进行时

I was doing my homework at that time.

现在完成时

I have done my homework already.

过去完成时

I had done my homework before I went home yesterday.

过去将来时

He just told me that he would go to the party tonight.

这些例句展示了"do"在不同时间背景下的用法，包括日常习惯、过去事件、未来计划以及现在和过去的进行状态。