English Now

動詞時態練習網站：
English Now: An Online Tutorial

分為下列單元，可依需要自行選擇練習。

1. The Present Simple
2. The Present Progressive
3. The Present Simple vs. The Present Progressive
4. The Past Simple
5. The Past Simple vs. The Past Progressive
6. The Present Simple, the Past Simple and Used to
7. The Present Perfect
8. The Past Simple vs The Present Perfect
9. The Present Perfect Simple vs. The Present Perfect Progressive
10. The Past Perfect
11. The Future
12. The Future Progressive