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