Придумать 10 предложений с положительной и отрицательной формой to be

I'm a schoolgirl
she is a beautiful girl of fifteen
Emma is a good student
Her hair is wavy
this car is black and very clever
Tom and Jerry is a funny cartoon
the paintings are on the wall
my jeans are blue
the furniture in my room is white
Maths is my favourite subject

Physics isn't a difficult subject
my sister isn't four
I amn't fourteen
My parents aren't in their sixties
my favourite author isn't Agnia Bar to
My first teacher isn't Maria Ivanovna
My trousers aren't black
this information isn't very important
lemons aren't sweet
My grandparents aren't from Italy