Chuyển các câu sau sang bị động
1. Don't do that silly thing again.
________________________
2. You must see it to believe it.
________________________
3. Open you book, please!
________________________
4. I have heard her sing this song several times.
________________________
5. People believe that 13 is an unlucky number.
________________________
Chuyển các câu sau sang bị động
1. Don't do that silly thing again.
that silly thing mustn't be done again.
2. You must see it to believe it.
It must be seen to be believed
3. Open you book, please!
Let your book be opened, please!
4. I have heard her sing this song several times.
She has been heard singing this song several time
5. People believe that 13 is an unlucky number.
13 is believed to be an unlucky number.
1. Don't do that silly thing again.
__Don't let that silly thing done again___
2. You must see it to believe it.
__it must be seen to be believed___
3. Open you book, please!
__Let your book be opened, please___
4. I have heard her sing this song several times.
__She has been heard to sing this song by me several times__
5. People believe that 13 is an unlucky number.
__13 is belived to be an unlucky number__
