Поставьте предложения в вопросительную и отрицательную форму. 1)kate is a home. 2)my grandfather was a doctor. 3)he will be 17 in a month.

1)Is Kate a home
Kate isn't a home

2)Was my grandfather a doctor
My grandfather wasn't a doctor

3)Will he be 17 in a month
He won't be 17 in a month