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QUICK ANSWER
"I know" is a form of "I know", a phrase which is often translated as "sé". "I can" is a form of "I can", a phrase which is often translated as "puedo". Learn more about the difference between "I know" and "I can" below.
I know(
ay
no
)A phrase is a group of words commonly used together (e.g., once upon a time).
