What Bob says is not true. So disagree with him and write your own sentences. Утвердит,вопросительное,отрицательное.
1) I have watered the trees in my garden.
2) My little brother has washed up.
3) My granny has cleaned the carpet.
4) He has locked his car.
5) My friends have shopped in Oxford Street.

1) I have not watered the trees in my garden. Have you watered the trees in your garden?2) My little brother has not washed up. Has my brother washed up?3) My granny has not cleaned the carpet. Has my granny cleaned the carpet?4) He has not locked his car. Has he locked his car?5) My friends have not shopped in Oxford Street. Have my friends shopped in Oxford Street?