Question

помогите пожалуйста заполните пропуски так чтобы получились отрицательные предложения 
1.this is Tracy.She ___eleven yet.
2. Mark and Alex are good at football.they____good at tennis.
3.Terry's hobby is basketball.volleyball____his hobby.

Answer 1

1. is not
2. are not
3. is not

Answer 2

1) isn`t 
2) aren`t
3) isn`t