~ 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.

đây nhé

Đây là công thức