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Luyện ngữ pháp - English Grammar in Use - Intermediate (Unit 35:  Had better It’s time ...)


A

Had better (I'd better / you'd better etc.)

I'd better do something = it is advisable to do it. If I don't do it, there will be a problem or a danger:
  • I have to meet Amy in ten minutes. I'd better go now or I'll be late.
  • ‘Shall I take an umbrella?’  ‘Yes, you'd better. It might rain.’
  • We'd better stop for petrol soon. The tank is almost empty.

The negative is I'd better not (= I had better not):
  • ‘The jacket looks good on you. Are you going to buy it?’  ‘I'd better not. It's too expensive.’
  • You don't look very well. You'd better not go out tonight.

Remember that:

The form is ‘had better’ (usually ‘I'd better / you'd better’ etc. in spoken English).
  • I'd better phone Chris, hadn't I?

Had is normally past, but the meaning of had better is present or future, not past.
  • I'd better go to the bank now tomorrow.

We say ‘I'd better do’ (not to do):
  • It might rain. We'd better take an umbrella. (not We'd better to take)
B

Had better and should

Had better is similar to should, but not exactly the same. We use had better only for a specific situation, not for things in general. You can use should in all types of situations to give an opinion or give advice:
  • It's late. You'd better go. / You should go. (a specific situation)
  • You're always at home. You should go out more often. (in general - not 'had better go')

Also, with had better, there is always a danger or a problem if you don't follow the advice.
Should means only 'it is a good thing to do'. Compare:
  • It's a great film. You should go and see it. (but no problem if you don't)
  • The film starts at 8.30. You'd better go now or you'll be late.
C

It's time ...

You can say It's time (for somebody) to ... :
  • It's time to go home. / It's time for us to go home.

But you can also say:
  • It's late. It's time we went home.

When we use it's time + past (we went / I did / they were etc.), the meaning is present, not past:
  • It's time they were here. Why are they so late? (not It's time they are here)

It's time somebody did something = they should have already done it or started it. We often use this structure to criticise or to complain:
  • This situation can't continue. It's time you did something about it.
  • He's very selfish. It's time he realised that he isn't the most important person in the world.

You can also say It's about time ... . This makes the criticism stronger:
  • Jack is a great talker. But it's about time he did something instead of just talking.


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