be sure

phrase

used to tell someone not to forget to do something
Be sure to lock the door when you leave.

Examples of be sure in a Sentence

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Regardless of which styles pique your interest, be sure to grab them ASAP—these major markdowns won’t last long. Kyra Surgent, InStyle, 1 July 2026 See All Example Sentences for be sure

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“Be sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20sure. Accessed 5 Jul. 2026.

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