Meaning of I know
An expression indicating awareness or understanding of something.
In simple words: I'm aware or have knowledge about something.
I know in a sentence
- I know the answer to this question.
- You think I don't know, but I do!
- She said, 'I know how to fix this.'
How to use I know
Used to express understanding or familiarity. Avoid in formal writing; better alternatives exist.
Grammar pattern
know + object
Memory hint
Think of knowing as having a light bulb in your brain that lights up.
Related words
Collocations with I know
- I know that
- I know you
- I know him
Synonyms for I know
- I'm aware
- I understand
- I'm familiar with
- I realize
- I comprehend
Common mistakes with I know
- Confusing 'I know' with 'I knew', which refers to past knowledge.
- Using 'I know' in inappropriate contexts, like formal speeches.
- Omitting the subject, resulting in an incomplete thought.
I know appears in
I know in other languages
More chunks like I know
- Thank you
A way to show appreciation to someone.
- I love you
A phrase to express deep affection for someone.
- What are you doing
A question asking someone what activity they are currently doing.
- You can
It means you are able to do something.
- I don't know
I am not sure.
- Good morning
A friendly greeting said in the morning.
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Frequently asked questions about "I know"
What does "I know" mean?
I'm aware or have knowledge about something.
What is the definition of "I know"?
An expression indicating awareness or understanding of something.
How do you use "I know" in a sentence?
I know the answer to this question.
Can you give another example of "I know"?
You think I don't know, but I do!
What are synonyms for "I know"?
Common alternatives include I'm aware, I understand, I'm familiar with, I realize, I comprehend.
What is the opposite of "I know"?
Opposite meanings include ignore, overlook, forget.
What words go with "I know"?
It commonly pairs with I know that, I know you, I know him.
What are common mistakes when using "I know"?
Confusing 'I know' with 'I knew', which refers to past knowledge. Using 'I know' in inappropriate contexts, like formal speeches. Omitting the subject, resulting in an incomplete thought.
How do you pronounce "I know"?
US: //aɪ noʊ//, UK: //aɪ nəʊ//. Listen to the audio above to hear native pronunciation.
When should I use "I know"?
Used to express understanding or familiarity. Avoid in formal writing; better alternatives exist.





























