1. Nothing can change my mind
-> My mind can't be changed.
2. No one had told me about it
-> I hadn't been told about it.
3.They can't make tea with cold water
-> Tea can't be made with cold water.
4.You mustn't use this machine after 5:30 p.m
-> This machine mustn't be used by you after 5:30 p.m
5.Must we finish the test before ten?
-> Must the test be finished by us before ten?
Change these yes-no question into passive voice:
1. Nothing can change my mind
-> my mind can't be changed
2. No one had told me about it
-> I hadn't been told about it
3.They can't make tea with cold water
-> Tea can't be made with cold water
4.You mustn't use this machine after 5:30 p.m
-> this machine musn't be used after 5:30 p.m
5.Must we finish the test before ten?
=> Must the test be finised before ten ?
