We haven't the ships to keep checking them all the time.
He had to keep checking the man was still out cold, which slowed him up even more.
She's just going to keep checking every room until she finds us.
I kept checking over my shoulder to see that she was all right.
He did not have to keep checking to see where everyone was.
Keep checking the site for news about what we're planning, and you can send us your ideas to childrens.books@guardian.co.uk.
I stayed on my back and kept checking the stars to hold course west.
"You just keep checking for the rest of the team."
He sat at the table and tried not to keep checking his watch.
I kept checking every few minutes, and then finally it happened!