Решение:
Для того чтобы сделать предложения отрицательными, нужно добавить частицу not после глагола to be (am, is, are).
- I am not sad today.
- He is not in a T-shirt.
- It is not my pink hat.
- We are not a family.
- They are not on chairs.
- You are not clown.
- She is not in a pink dress.
- I am not in the house.
- They are not brothers.
- It is not snowy.