Is it a calculator?
Yes, it is.
Are they crayons?
No, they aren't.
What colour is it?
It's red and blue.
What colour are they?
They're black, blue and red.
Is he Indian?
No, he isn't.
Is she Irish?
Yes, she is.
Are they Chinese?
Yes, they are.
Can you play football?
Yes, I can./No, I can't.
Can he swim?
No, he can't.
Can they play the guitar?
Yes, they can.
