passive voice with modal verbs

Front

Can sixth grade read English books?

Back

English books can be read by sixth grade.

Front

Convert to passive voice: I must study maths.

Back

maths must be studied by me

Front

Rephrase: my dog should not eat bones

Back

bones should not be eaten by my dog

Front

You must not open the window

Back

the window must not be opened by you

Front

I can´t spend money

Back

money can not be spent by me

Front

Convert the sentence to passive voice: Students must do the homework.

Back

The homework must be done by the students.

Front

You should not touch the painting

Back

the painting should not be touched by you