1.I have watered the trees in my garden. - No, he has not. he has not watered the trees in his garden.
1. My little brother has washed up. - No, he has not. his little brother has not washed up.
3. My granny has cleaned the carpet . - no, she hasn't. his granny has not cleaned the carpet.
4. He has locked his car . - no, he hasn't. he has not locked his car.
5. My friends have shopped in Qxford Street . - no, they have not. his friends have not shopped in Qxford Street .