Asking for Opinions

What do you think?

What's your opinion?

What are your ideas?

Do you have any thoughts on that?

How do you feel about that?

Giving Opinions

I think we should get a new car.

I don't think we need one.

I believe (that) smoking should be outlawed.

I don't believe (that) it should be illegal.

In my opinion, Gone with the Breeze is the best movie ever made.

I feel that it's the right thing to do.

I don't feel that it's such a good idea.