Change the sentences to use passive structures. 1. i can buy a postcard. 2. sam must clean his room. 3. ought i to sing this song? 4. you shouldn’t play this game. 5. do you have to buy this book? 6. people grow rice in many countries. 7. the cook baked a cake yesterday. 8. i will buy this dress tomorrow.

1. A postcard can be bought by me
2 sam's room must be cleaned by him
3 ought this song be sung by me?
4 this game sholdnt be played by you
5 does this book have to be bought by you?
6 rice is grown by people in many countries
7 a cake was baked by the cook y-y
8 this dress will be bought by me tomorrow