Tom was thinking of Mary.

Tom thought only of Mary.

Tom thought about Mary a lot.

I was thinking of the same thing.

I wonder what Tom was thinking.

Tom frequently thought of Mary.

Tom didn't think about Mary.

Tom often thought about Mary.

What were you thinking, Tom?

Tom thought about what Mary said.

Tom never thought of the future.

Tom never thought about the future.

I don't know what Tom thought.

I was thinking the same thing.

Tom thought about what Mary had told him.

Tom hadn't thought about Mary for days.

I thought about what you said.

I thought about what you said.

I didn't think about what I was doing.

I didn't think about what I was doing.

I thought Tom would talk about Mary.

Tom thought that Mary was talking about John.

Tom thought Mary was talking about John.

Tom says he's been thinking about what Mary said.

I thought Tom would have remembered today's meeting.

I thought a lot about what you said.

I didn't think about what I was doing.

Have you ever thought of leaving?

I've never thought about giving up.

What were you thinking? I wasn't thinking.

I've been thinking about when we were young.

Have you ever thought of becoming a writer?

I thought you already knew about what happened.

I thought you already knew about what happened.

I've never thought of doing that.

Tom couldn't fall asleep because he was thinking about Mary.

Have you ever thought about becoming a teacher?

Have you ever considered becoming a doctor?

What was he thinking about?

I was thinking about the plan.

I thought about the future.

I was thinking about you.

I thought about Tom.

What was I thinking?

I've been thinking about you.