passive voice with modal verbs

Sixth grade can read english books

• english books can be read by sixth grade

• engish books can be readed by sixth grade

I must study maths

• maths must be studied by I

• maths must be studied by me

• maths must be study by me

• maths must be studied to me

my dog should not eat bones

• bones should not to be eaten by my dog

• bones should be not eaten by my dog

• bones shoul be eaten by my dog

• bones should not be eaten by my dog

You must not open the window

• the window must be not open by you

• the window must not be opened by you

• the window must not be open by you

• the window not must be opened by you

I can´t spend money

• money can not spent by me

• money can be not spent by me

• money can not be spended by me

• money can not be spent by me

Students must do the homework

• the homework must be done by the students

• the homework must done by students

• the homework must be did by students

• the homework must to be done by students

You should not touch the painting

• the painting should no be touched by you

• the painting should be not by you

• the painting should not be touched by you

• the painting should not be touch by you