对于初高中的综合知识点，要教会孩子归纳总结在一起学习，这也是一种学习方法。
分为过去、现在、将来以及一般、进行、完成，从而形成多种组合
用"I do my homework."这个句子表示以下16种常用时态：
1. 现在简单时：I do my homework.
2. 现在进行时：I am doing my homework.
3. 现在完成时：I have done my homework.
4. 现在完成进行时：I have been doing my homework for 2 hours.已经完成2个小时的家庭作业且现在仍然在做。
5. 过去简单时：I did my homework.
6. 过去进行时：I was doing my homework.
7. 过去完成时：I had done my homework.
8. 过去完成进行时：I had been doing my homework.
9. 将来简单时：I will do my homework.
10. 将来进行时：I will be doing my homework.
11. 将来完成时：I will have done my homework.
12. 将来完成进行时：I will have been doing my homework.
13. 过去将来简单时：I would do my homework.
14. 过去将来进行时：I would be doing my homework.
15. 过去将来完成时：I would have done my homework.
16. 过去将来完成进行时：I would have been doing my homework.
一.现在时+4态
1、现在一般时：
I often do homework.我经常写作业。
2、现在进行时：
I am doing homework.我正在写作业。
3、现在完成时：
I have done homework.我写完作业了。
4、现在完成进行时：
I have been doing my homework for 2 hours.已经完成2个小时的家庭作业且现在仍然在做。
二.过去时+四态：
5、过去一般时：
I did homework yesterday.我昨天写作业。
6、过去进行时：
I was doing homework this time yesterday.我昨天的这个时候在写作业。
7、过去完成时：
I had done homework before I slept.我睡觉前写完了作业。
8、过去完成进行时：
I had been doing homework before I slept.我睡觉前一直在写作业。
三.将来时+四态
9、将来一般时：
I will do homework tomorrow.我将写作业。
10、将来进行时：
I will be doing homework tomorrow morning.明天早晨我将正在写作业。
11、将来完成时：
I will have done homework by tomorrow.我到明天将写完作业。
12、将来完成进行时：
I will have been doing homework by tomorrow.我到明天将一直在写作业。
四.过去将来时+四态：
13、过去将来一般时：
I promised I would do homework.我承诺我将会写作业。
14、过去将来进行时：
I promised I would be doing homework.我承诺我将会在写作业。
15、过去将来完成时：
I promised I would have done homework by tomorrow.我承诺到明天我将写完作业。
16、过去完成进行时：
I promised I would have been doing homework by tomorrow.我承诺到明天我将一直写作业。