1. think
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.
2. thought
Their communication may be much more complex than we thought.
I thought hard.
A violent thought instantly brings violent bodily movements.
She said she didn't like it, but I thought, personally, it was very good.
I thought a bunch of people would go water skiing with us, but absolutely no one else showed up.
The victim is thought to have taken a large quantity of poison by mistake.
Politics is perhaps the only profession for which no preparation is thought necessary.
Information is sometimes held back from patients when it is thought it might upset them.
He took the job without giving it much thought.
I thought we had eaten everything in the house, but I found another box of crackers.
I've heard of pseudomyopia, but I never thought my own child would come to have it.
Even when she thought about something else, ideas of death returned to her mind.
Just like I thought, the contractor came back today, begging for more time.
By freeing thought from its object, Descartes made it possible to view the latter in strictly mechanical terms, reopening the way to science, suffocated for more than fifteen centuries under religious nonsense.
I've enjoyed our discussion and your meaningful thoughts.