denken in English:

I think so.

You don't have to think you aren't going to make it just because others have failed.

He has some grave defects, but I think he is a great scholar all the same.

I've been thinking about marriage a lot, and I think we should just do it.

A friend I went with on our first trip abroad had his wallet pickpocketed. I don't think it left a very good impression.

When I think back on what I did, I feel pretty stupid.

That might be a little inconvenient for you, don't you think?

In the light of what you told us, I think we should revise our plan.

Americans are frank enough to say what they think.

I can think of him as a very good friend, but I can't think of him as a lover.

It may seem like a good idea to you, but I think it's a little dangerous.

I realize that this may sound crazy, but I think I've fallen in love with your younger sister.

He's not such a great writer and I think he knows it.

What's your favorite place to go when you want to think?

Now that you are no longer young, you must think of your future.