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know about

A2 neutral inseparable transitive
In simple words

To have information about something or someone.

Meanings

1 A2 neutral

To possess information or understanding about a particular subject or topic.

"She knows a lot about ancient Roman history."

"I know about the economy and creating jobs."

— Mitt Romney, US Presidential Campaign, 2012
Grammar: inseparable
2 A2 neutral

To be aware that a specific event, situation, or fact exists or has occurred.

"Did you know about the meeting being moved to Thursday?"

Grammar: inseparable
3 B1 idiomatic informal

(Used in questions with 'what') To express a suggestion or draw attention to a possibility.

"What do you know about getting some fresh air? You've been inside all day."

Grammar: inseparable
Usage notes

Extremely common in everyday English. Often used in questions ('Do you know about...?') and negatives ('I didn't know about...'). Much broader and deeper than 'know of'.

Commonly used with

problem plan news situation topic event

Forms

Base
know about
I/you/we/they
3rd person
knows about
he/she/it
Past simple
knew about
yesterday
Past participle
known about
have + pp
-ing form
knowing about
continuous

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