Переделайте следущие предложения в отрицательные и вопрасительные. i am good at tennis. his farm was big

I am good at tennis.
Are you good at tennis?
In which sport are you good at?
Who is good at tennis?
I am good at tennis, aren't I?
I'm not good at tennis.
His farm was big.
His farm wasn't big.
Was his farm big?
Whose farm was big?
His farm was big, wasn't it?

You know a lot about tennis? His farm is big?