think

think is one of the 1000 most common headwords.

thing - think - thirteen

Verb

Plain form
think

Third-person singular
thinks

Past tense
thought

Past participle
thought

Present participle
thinking

She is thinking about what to do

(transitive & intransitive) If you think that something is or may be true, you feel that it is or may be true.
You know you can't do that. What were you thinking?

Some people think this is a good idea, but I don't think so.

I think the best thing to do now is to go home.

I just thought you might want some coffee.

I really think you should stop seeing her.

What do you think about the new teacher?

Vancouver is thought to be a good place to live.

I think he's a doctor.

I think she wants us to go that way.

I thought I saw something.

"Is this right?" "I think so."
(intransitive) If you think about something, you use your mind to give it your attention.
"What's the best way?" "I'm not sure. Let me think."

All day I was thinking about my sister in Lisbon.

I don't want to think about that right now.

Just think how nice it will be when we're finished.
(intransitive) You use think when you have words or ideas in your mind without saying them out loud.
"It's no good," she thought.
(intransitive) You use think in suggestions and requests.
I was thinking we could go out tonight.

Do you think you could help me here?
(intransitive) If you don't think to do something, you don't remember to do it.
I didn't think to ask her.

I can't think where my keys are.

If you say you'll have a think about something, it means you'll give it your attention.