Check vs Make sure

When to use each in English, with meaning, register, and examples.

Check

Top 1,000 (very common)A1verb

Make sure

Top 1,000 (very common)
 CheckMake sure
Pronunciation🇬🇧 /["/tʃek/","/tʃeks/","/tʃekt/","/ˈtʃekɪŋ/"]/🇺🇸 /["/tʃek/","/tʃeks/","/tʃekt/","/ˈtʃekɪŋ/"]/🇬🇧 //meɪk ʃɔː//🇺🇸 //meɪk ʃʊr//
MeaningTo look at something to see if it's correct or okay.Check that something is done or true.
ExamplePlease check your answers before submitting the test.Make sure you lock the door before leaving.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1-
Part of speechverb
Collocationsalways, daily, periodically, had better, must, need to, against, for, with, be worth checking, check to see if, check to see whether, always, daily, periodically, had better, must, need to, against, for, with, be worth checking, check to see if, check to see whether, simply, mentally, offmake sure that, make sure to, make sure you, make sure everything, make sure it is
Antonymsignore, disregard-
Common mistakesConfused with 'cheque' in British English., Using 'check' as a noun without proper context., Incorrectly conjugating 'check' in the past tense.Using 'make sure' without a clause, e.g., 'Make sure.' instead of 'Make sure it's correct.', Confusing 'make sure' with 'ensure'; they are similar but 'ensure' is more formal., Omitting the subject in sentences, e.g., 'Make sure you're prepared.' instead of 'You need to make sure you're prepared.'
Usage notesUsed in various contexts such as checking information, verifying facts, or inspecting items. Avoid using in very formal writing; instead, opt for 'verify' or 'inspect.'Use 'make sure' in everyday conversation to emphasize confirmation. It's appropriate in both casual and professional settings but avoid overly formal contexts.

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Check

Frequently asked questions: Check vs Make sure

What's the difference between Check and Make sure?

Check: To look at something to see if it's correct or okay. Make sure: Check that something is done or true.

Can you show an example of each?

Check: Please check your answers before submitting the test. Make sure: Make sure you lock the door before leaving.

Can I use Check and Make sure interchangeably?

Not always. Check and Make sure are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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