
You shouldn’t drink cold water.
You shouldn’t eat too much.
You shouldn’t eat junk food any more.
①What’s the matter (with...)?
What’s wrong (with...)?
②two days ago(过去时)
before (完成时)
e.g.The party started two hours ago.
I have finished the picture two days before.
③I think so./ I don’t think so.
I hope so.
I believe so.
I’m afraid so.
④should 情态 v. (无人称,单复数的变化)
I should drink more water.
She/He should drink more water.