将下列主动语态变为被动语态

1.They paint the house every day.
The house is painted by them every day.

2.Teathers must make lessons more interesting for children.
Lessons are be made more interesting by teachers for children
3.We are widening the streets.
The streets are being widened by us.
4.Thieves stole her watch.
Her watch was stolen by theives
5.We will pay you the money in a few days.
The money will be paid to you in a few days
6.He has received about 400 letters since he became famous last year.
400 letters has been received since he became famous last year

1,the house is painted by us every day.
2.lessons must be made more interesting for children.
3.the street is being widened.
4.her watch was stolen/she had her watch stolen
5.the money will be paid to u in a few days.
6.about 400 letters have been recieved by him since ...

the house is painted every day

lessons must be made