The movie was boring last night. (not)
The movie wasn't boring last night.
He took all my money! (did not take)
He didn't take all my money!
It was fun. (not)
It wasn't be fun.
The students were busy yesterday. (were not)
The students weren't busy yesterday.
You can eat more. (not)
You can't eat more.
We went to school yesterday. (not go)
We didn't go to school yesterday.
We ate all the cakes. (not eat)
We didn't eat all the cakes.
She has a lot of money. (doesn't have)
She doesn't have a lot money.
I saw my best friend playing with someone else! (not see)
I didn't see my best friend playing with someone else.
It's going to rain. (not)
It's not going to rain.
You can drink all the milk.
You can't drink all the milk.
We're tired. (are not)
We aren't tired.
I miss my friends. (do not)
I don't miss my friends.
He's a brave man. (not)
He isn't a brave man.