$\text{1/ The door is opened by Nga.}$

$\text{2/ The table is set by us.}$

$\text{3/ A lot of money is paid by Jane.}$

$\text{4/ A picture is drawn by me.}$

$\text{5/ Blue shoes are worn by the students.}$

$\text{6/ You aren't helped by them.}$

$\text{7/ The book isn't opened by his student.}$

$\text{8/ The letter isn't written by you}$

$\text{9/ Grass is cut by my sister every weekend.}$

$\text{10/ Mr. Green's son is taken to the zoo by him.}$

1. The door is opended by Nga.

2. The table is set by us.

3. A lot of money is paid by Jane.

4.  A picture is drawn by me.

5. Blue shoes are worn by the students.

6. You are not helped.

7. The book is not opened by him.

8. The letter is not written by you.

9. Grass is cut by my sister every weekend.

10. Mr. Green's son is taken to the zoo by Mr. Green.