Everybody knows that money doesn't grow on trees.
Do you know where I can find her?
Have you decided where you will go for a holiday?
Please go and find out when the train will arrive.
The teacher pointed out that Tom hadn't studied hard enough.
That depends on how you do it.
I am curious as to what they are going to do next.
The twin sisters differ only in that one is a bit fatter than the other one.
I am interested in what she is doing.
I don't suppose you're used to this diet.
= I suppose you aren't used to this diet.
I don't imagine she will win the championship.
= I imagine she won't win the championship.
I didn't expect she would pass the entrance examination.
I expected she wouldn't pass the entrance examination.
I don't think we have got enough time.
(= I think we haven't got enough time.)
I don't believe she'll arrive before 8.
(= I believe she won't arrive before 8.)