ought to, should

1. It should cost roughly 10.
   這大約10英鎊。
2. We should improve what is called the quality of living.
   我們應該改進所謂的生活品質(zhì)。
3. I should guess his age at about 30.
   我想他的年齡在30歲左右。
4. I don't think it will happen, but if it should what shall we do?
   我認為那件事不會發(fā)生，但如果真的發(fā)生，我們該怎么辦？
5. You should give it a try.
   你應該試一試。
6. You should take advantage of it.
   你應該好好利用這個機會。
7. You really ought to/should do something about that cough!
   你咳嗽那麼厲害，真得治一治了！
8. I knew if I kept at it I should succeed.
   我知道如果我堅持下去就會成功。