Lesson 13: Simple Present Tense Negatives - English Grammar Practice Videobook Exercises
Channel: Guy Reloaded
Date: 2020-05-24

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Form the negative of the simple present tense by putting do not or does not before the verb. The contracted forms don’t and doesn’t are generally used.

I do not know   
I don’t know

You do not know 
You don’t know

He does not know 
He doesn’t know

She does not know 
She doesn’t know

It does not know 
it doesn’t know

We do not know 
We don’t know

You do not know 
You don’t know

They do not know 
They don’t know