动词
1. You ought to read his novels. 你应该读读他的小说。
2. You ought to see the picture. 这部影片你去看看才好。
3. You ought to do your duty. 你应该尽到自己的责任。
4. Students ought to study hard. 学生应该努力用功。
5. It ought to have been done long ago. 这事早该做完的。