Forming Passive With Modals

1.  We may ask him a few questions.
                                                     O
= A few questions may be asked him by we
                O
2. I can manage a motor car. 
                                       O
= A motor car can be managed by me
             O
3. You must inquire the way. 
                                          O
= The way must be inqired by you

          O
4. He might give you a chance.
                                             O
= A chance might be given you by him 

           O
5. I could show you his house if you would permit me.  
                                            O
=His house could be shown you by me if you would permit me

           O
6. I should enjoy a sea-voyage.
                                         O
= A sea-voyage should be enjoyed by me

              O