1. 现在进行时:我正在写作业。(I am writing homework.)
2. 一般现在时:他每天早上都跑步。(He runs every morning.)
3. 一般过去时:我昨天去了图书馆。(I went to the library yesterday.)
4. 一般将来时:明天我会去看电影。(I will go to watch a movie tomorrow.)
5. 现在完成时:我已经完成了我的作业。(I have finished my homework.)
6. 过去完成时:当我到达那里时,他已经离开了。(He had left when I arrived there.)
7. 被动语态:这本书被我读完了。(This book has been read by me.)