Patients have to think about their breathing.

VOA: special.2010.06.23

He is paying the price for years of smoking. "I have to think about breathing It's a heck of a nuisance."

VOA: standard.2010.06.21

The students examine an issue, review what is already known, think about what they have learned and come to some conclusion.

VOA: special.2009.04.30

Perhaps no other captain sailing at that time would think to have a woman do this extremely important work.

VOA: special.2009.12.23

Scientists think the largest dinosaurs would have to have spent thirty hours a day chewing and swallowing their food.

VOA: special.2010.06.04

I often think you don't need to have a degree, you don't even need to have been to a concert hall."

VOA: special.2010.07.12

"They want to think that they can come to America and have a great job, so it's very easy to fool them."

VOA: special.2010.06.14

He said,"I think I have written a lot and sent it off to be printed before I realized strangers might read it."

VOA: special.2010.01.10

Many people think that the Industrial Revolution was the first time people began to have a major effect on the earth's ecology.

VOA: special.2011.04.26

"I don't think President Obama and the Democrats were expecting to have to spend so much time on health care because it is dragging on.

VOA: special.2010.01.23

I think the patient is stabilized. There are still wounds that have to heal.

VOA: special.2009.04.04

Sometimes I have to give information quickly, without time to think it over.

VOA: special.2009.04.12

She did not think a couple had to be married to have children.

VOA: special.2010.08.29

"I don't think it's going to satisfy everybody. I think there are certainly a large number of Facebook users who have decided they really can't trust Facebook anymore."

VOA: special.2010.05.28