know
Be aware of a fact
To have information in your mind.
to know [something]
- I know the capital of France is Paris.
- She knows that he is lying.
- Do you know the rules of the game?
- We know the meeting starts at nine.
- They know the answer to the question.
- I know your name.
- He knows my phone number.
- Do you know this song?
- We know the way to the park.
- They know my teacher.
Be familiar with someone/something
To have met or seen someone or something before.
to know [someone/something]
- I know her from school.
- Do you know this restaurant?
- They know each other very well.
- We know the city like the back of our hand.
- He knows that shop; he goes there often.
- I know my neighbor.
- She knows my brother.
- Do you know this place?
- We know our teacher.
- They know that shop.
Understand deeply
To understand something well because you have learned about it or done it before.
to know [how/why/what]
- I know how to swim.
- She knows why the machine stopped working.
- They know what it takes to win.
- He knows how computers work.
- I know how to read.
- She knows how to make a cake.
- They know what this means.
- We know why he is late.
Recognize by sight/sound
To see or hear something and remember it from before.
to know [someone/something] by [sight/sound/name]
- I don't know him by name, but I recognize his face.
- She knew the song as soon as it started playing.
- Do you know this smell?
- I know her face.
- He knows this song.
- We know this voice.
Be certain about a fact
To be sure that something is true.
to know (that) [clause]
- I know she'll say yes.
- He knows it's going to rain tomorrow.
- We know this is the right decision.
- I know you are right.
- She knows it will rain.
- We know he is here.
- Base: know
- 3rd Person Singular: knows
- Present Participle: knowing
- Past: knew
- Past Participle: known
- Irregular past: knew Verb
- Irregular past participle: known Verb
be in the know
1Have special information others lack
To have special or secret information that others do not have.
- Only a few people are in the know about the project.
- He likes to feel in the know about company gossip.
know by heart
1Remember exactly without looking
To remember something perfectly without looking at it.
- I know all the lyrics by heart.
- She knows her phone number by heart.
know for sure
1Be completely certain about something
To be completely sure that something is true.
- I don't know for sure if he'll come.
- She knows for sure that she passed the exam.
not that I know of
1Say you are not aware of something now
Used when you are not aware of something being true at this time.
- Is he married? Not that I know of.
- Are there any delays? Not that I know of.
you know what I mean
1Check if listener understands meaning/feeling
Used to check if someone understands what you mean or feel.
- It's been a rough day, you know what I mean?
- He's a bit strange, you know what I mean?