Change these sentences into passive form
1/ He has read ten novels so far.
-> Ten novels have been read so far
2/ Tom may pick me up on the way to school.
-> I may be picked up on the way to school by Tom
3/ You should wash your clothes by yourself.
-> Your clothes should be washed by yourself
4/ Children must brush their teeth twice a day.
-> Children's teeth must be brushed twice a day
5/ I'm giving them some exercises.
-> They are being given some exercises
6/ They are practising a play.
-> A play is being practised