It is windy today. It isn't windy today
My hands are hold. My hands aren't cold
Brazil is a very big country. Brazil isn't a very big country
Diamonds are cheap. Diamonds aren't cheap
Toronto is in the US. Toronto isn't in the US
I'm hungry. I'm not hungry
I'm a good swimmer. I'm not a good swimmer
I'm interested in football. I'm not interested in footbal
Ничего сложного, побольше слушай на уроках объяснение тем)