I may nickel you may nickel he may nickel we may nickel you may nickel they may nickel
V-ing form
I may be nickelling you may be nickelling he may be nickelling we may be nickelling you may be nickelling they may be nickelling
Perfect
I may have nickelled you may have nickelled he may have nickelled we may have nickelled you may have nickelled they may have nickelled
V-ing perfect
I may have been nickelling you may have been nickelling he may have been nickelling we may have been nickelling you may have been nickelling they may have been nickelling
Negation
Simple form
I mayn't nickel you mayn't nickel he mayn't nickel we mayn't nickel you mayn't nickel they mayn't nickel
V-ing form
I mayn't be nickelling you mayn't be nickelling he mayn't be nickelling we mayn't be nickelling you mayn't be nickelling they mayn't be nickelling
Perfect
I mayn't have nickelled you mayn't have nickelled he mayn't have nickelled we mayn't have nickelled you mayn't have nickelled they mayn't have nickelled
V-ing perfect
I mayn't have been nickelling you mayn't have been nickelling he mayn't have been nickelling we mayn't have been nickelling you mayn't have been nickelling they mayn't have been nickelling
Interrogative form
Simple form
may I nickel? may you nickel? may he nickel? may we nickel? may you nickel? may they nickel?
V-ing form
may I be nickelling? may you be nickelling? may he be nickelling? may we be nickelling? may you be nickelling? may they be nickelling?
Perfect
may I have nickelled? may you have nickelled? may he have nickelled? may we have nickelled? may you have nickelled? may they have nickelled?
V-ing perfect
may I have been nickelling? may you have been nickelling? may he have been nickelling? may we have been nickelling? may you have been nickelling? may they have been nickelling?
Interro-negative form
Simple form
mayn't I nickel? mayn't you nickel? mayn't he nickel? mayn't we nickel? mayn't you nickel? mayn't they nickel?
V-ing form
mayn't I be nickelling? mayn't you be nickelling? mayn't he be nickelling? mayn't we be nickelling? mayn't you be nickelling? mayn't they be nickelling?
Perfect
mayn't I have nickelled? mayn't you have nickelled? mayn't he have nickelled? mayn't we have nickelled? mayn't you have nickelled? mayn't they have nickelled?
V-ing perfect
mayn't I have been nickelling? mayn't you have been nickelling? mayn't he have been nickelling? mayn't we have been nickelling? mayn't you have been nickelling? mayn't they have been nickelling?