The teacher should not have to constantly check each group to avoid such a situation.

The woman's blue eyes never looked up; they were constantly checking the other people.

It's also useful to check constantly what your competition is doing.

Apparently I am not the only one who has been constantly checking these sites.

Banks took the tube and checked constantly to see if he was being followed.

They constantly check for security problems and have put in place security measures.

As Smith drove into the city, he constantly checked his mirrors.

He also discusses the anxiety that constantly checking your phone can bring to the average human.

I was constantly checking the items hanging from my belt.

He constantly checks the plastic cover of his swimming pool.