Check that Meaning in English
expression
Definition
To look at something to confirm if it is true, correct, or working as it should. This phrase is often followed by a clause explaining what needs to be confirmed.
Usage & Nuances
Common in instructions and requests, both formal and informal. Usually followed by a phrase detailing what to confirm (e.g., 'check that the door is locked'). Can often be replaced by 'make sure that' or 'verify that' (more formal). Not used for routine tasks (use 'check' alone for that).
Example Sentences
Please check that the windows are closed before you leave.
basic
Can you check that the lights are off?
basic
Always check that you have your keys before locking the door.
basic
I'll check that everything is ready for the meeting.
natural
Could you check that he's sent the email already?
natural
Don’t forget to check that you’ve saved your work!
natural