I will do a check to make sure everything is okay.

The checked pattern of the grid

I will check with my manager before making a decision.

I need to check on the progress of the project.

Please check the car before you drive.

I opened a checking account at the bank.

I need to check out this new restaurant in town.

I need to get a cashier's check to pay for the car.

I paid with a certified check.

He gave me a blank check to cover any expenses I might incur.