He will marry me.
He won't marry me.
She has much money.
She doesn't have much money.
We're tired.
We aren't tired.
You should eat more.
You shouldn't eat more.
We could hang out and go hiking.
We couldn't hang out and go hiking.
He's a police officer.
He isn't a police officer.
We have been to Australia.
We haven't been to Australia.
I miss my childhood.
I don't miss my childhood.
It's going to rain.
It's not going to rain.
The episode was boring last night.
The episode wasn't boring last night.
We used to play video games together.
We didn't use to play video games together.
It would be fun.
It wouldn't be fun.
You can leave the room.
You can't leave the room.
The students were busy yesterday.
The students weren't busy yesterday.
She has done all her homework.
She hasn't done all her homework.
They forgot about me.
They didn't forget about me.