Write these sentences. Use have/has , have not/has in their short forms. 1) I don't know anybody who has not read this

1) I don\'t know anybody who has not read this story. — I don\'t know anybody who hasn\'t read this story. 2) Steve has become a very good doctor. — Steve\'s become a very good doctor. 3) Mum has not given me my lunch yet. — Mum hasn\'t given me my lunch yet. 4) He has taken his little brother to the zoo. — He\'s taken his little brother to the zoo. 5) They have not eaten this food for a long time. — They haven\'t eaten this food for a long time.