I may smell you may smell he may smell we may smell you may smell they may smell
V-ing form
I may be smelling you may be smelling he may be smelling we may be smelling you may be smelling they may be smelling
Perfect
I may have smelled, smelt you may have smelled, smelt he may have smelled, smelt we may have smelled, smelt you may have smelled, smelt they may have smelled, smelt
V-ing perfect
I may have been smelling you may have been smelling he may have been smelling we may have been smelling you may have been smelling they may have been smelling
Negation
Simple form
I mayn't smell you mayn't smell he mayn't smell we mayn't smell you mayn't smell they mayn't smell
V-ing form
I mayn't be smelling you mayn't be smelling he mayn't be smelling we mayn't be smelling you mayn't be smelling they mayn't be smelling
Perfect
I mayn't have smelled, smelt you mayn't have smelled, smelt he mayn't have smelled, smelt we mayn't have smelled, smelt you mayn't have smelled, smelt they mayn't have smelled, smelt
V-ing perfect
I mayn't have been smelling you mayn't have been smelling he mayn't have been smelling we mayn't have been smelling you mayn't have been smelling they mayn't have been smelling
Interrogative form
Simple form
may I smell? may you smell? may he smell? may we smell? may you smell? may they smell?
V-ing form
may I be smelling? may you be smelling? may he be smelling? may we be smelling? may you be smelling? may they be smelling?
Perfect
may I have smelled, smelt? may you have smelled, smelt? may he have smelled, smelt? may we have smelled, smelt? may you have smelled, smelt? may they have smelled, smelt?
V-ing perfect
may I have been smelling? may you have been smelling? may he have been smelling? may we have been smelling? may you have been smelling? may they have been smelling?
Interro-negative form
Simple form
mayn't I smell? mayn't you smell? mayn't he smell? mayn't we smell? mayn't you smell? mayn't they smell?
V-ing form
mayn't I be smelling? mayn't you be smelling? mayn't he be smelling? mayn't we be smelling? mayn't you be smelling? mayn't they be smelling?
Perfect
mayn't I have smelled, smelt? mayn't you have smelled, smelt? mayn't he have smelled, smelt? mayn't we have smelled, smelt? mayn't you have smelled, smelt? mayn't they have smelled, smelt?
V-ing perfect
mayn't I have been smelling? mayn't you have been smelling? mayn't he have been smelling? mayn't we have been smelling? mayn't you have been smelling? mayn't they have been smelling?