Chuyển các câu sang câu bị động

CHUYỂN CÁC CÂU SAU SANG CÂU BỊ ĐỘNG
1.He is teaching english at the momnent
2.He was writing a book
3.The child is eating bananas
4.The master punished the servant
5.Somebody cooks meals every day
6.He wore a blue shirt
7.They are buiding a house
8. I have finished the job
9.I bought a diamond neck lace