Напишите данные предложения в отрицательной форме (am, not, isn't, aren't) our flat is big he is my friend they are from moscow i am nine the cats are black vera is in london

Our flat isn't(is not)big
He isn't(is not) my friend
They aren't(are not) from Mpscow
I'm not(am not) nine
The cats aren't(are not) black
Vera isn't(is not) in London
––––
Можешь мне довериться)),все правильно))
Удачи в школе))

Здравствуйте!
1). Our flag ISN'T big;
2). He ISN'T my friend;
3). They AREN'T from Moscow;
4). I'M NOT nine;
5). The cats AREN'T Black;
6). Vera ISN'T in London.