~ gửi bạn ~
1. My sister cooks meals everyday
`->` Meals are cooked by my sister every day
2. My mother cleaned the floor yesterday
`->` The floor was cleaned by my mother yesterday
3. My friend has written ten emails for 2 hours
`->` Ten emails have been written by my friend for 2 hours
4. My father is painting our house
`->` Our house is being painted by my father
5. My sister was buying some food at 11 a.m yesterday
`->` Some food was being bought at 11am yesterday by my sister
6. My brother uses a pencil to draw beautiful pictures
`->` A pencil is used to draw beautiful pictures by my brother
7. They bad finished their work before you came yesterday
`->` Their work had been finished before you came yesterday.
8. I will call you If there is any important information
`->` You will be called by me If there is any important information.
