I must nickel you must nickel he must nickel we must nickel you must nickel they must nickel
V-ing form
I must be nickelling you must be nickelling he must be nickelling we must be nickelling you must be nickelling they must be nickelling
Perfect
I must have nickelled you must have nickelled he must have nickelled we must have nickelled you must have nickelled they must have nickelled
V-ing perfect
I must have been nickelling you must have been nickelling he must have been nickelling we must have been nickelling you must have been nickelling they must have been nickelling
Negation
Simple form
I must not nickel you must not nickel he must not nickel we must not nickel you must not nickel they must not nickel
V-ing form
I must not be nickelling you must not be nickelling he must not be nickelling we must not be nickelling you must not be nickelling they must not be nickelling
Perfect
I must not have nickelled you must not have nickelled he must not have nickelled we must not have nickelled you must not have nickelled they must not have nickelled
V-ing perfect
I must not have been nickelling you must not have been nickelling he must not have been nickelling we must not have been nickelling you must not have been nickelling they must not have been nickelling
Interrogative form
Simple form
must I nickel? must you nickel? must he nickel? must we nickel? must you nickel? must they nickel?
V-ing form
must I be nickelling? must you be nickelling? must he be nickelling? must we be nickelling? must you be nickelling? must they be nickelling?
Perfect
must I have nickelled? must you have nickelled? must he have nickelled? must we have nickelled? must you have nickelled? must they have nickelled?
V-ing perfect
must I have been nickelling? must you have been nickelling? must he have been nickelling? must we have been nickelling? must you have been nickelling? must they have been nickelling?
Interro-negative form
Simple form
must I not nickel? must you not nickel? must he not nickel? must we not nickel? must you not nickel? must they not nickel?
V-ing form
must I not be nickelling? must you not be nickelling? must he not be nickelling? must we not be nickelling? must you not be nickelling? must they not be nickelling?
Perfect
must I not have nickelled? must you not have nickelled? must he not have nickelled? must we not have nickelled? must you not have nickelled? must they not have nickelled?
V-ing perfect
must I not have been nickelling? must you not have been nickelling? must he not have been nickelling? must we not have been nickelling? must you not have been nickelling? must they not have been nickelling?