may smother
Regular verb: smother - smothered- smothered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may smother
you may smother
she may smother
we may smother
you may smother
they may smother 	I may be smothering
you may be smothering
she may be smothering
we may be smothering
you may be smothering
they may be smothering	I may have smothered
you may have smothered
she may have smothered
we may have smothered
you may have smothered
they may have smothered	I may have been smothering
you may have been smothering
she may have been smothering
we may have been smothering
you may have been smothering
they may have been smothering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't smother
you mayn't smother
she mayn't smother
we mayn't smother
you mayn't smother
they mayn't smother 	I mayn't be smothering
you mayn't be smothering
she mayn't be smothering
we mayn't be smothering
you mayn't be smothering
they mayn't be smothering	I mayn't have smothered
you mayn't have smothered
she mayn't have smothered
we mayn't have smothered
you mayn't have smothered
they mayn't have smothered	I mayn't have been smothering
you mayn't have been smothering
she mayn't have been smothering
we mayn't have been smothering
you mayn't have been smothering
they mayn't have been smothering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I smother?
may you smother?
may she smother?
may we smother?
may you smother?
may they smother? 	may I be smothering?
may you be smothering?
may she be smothering?
may we be smothering?
may you be smothering?
may they be smothering? 	may I have smothered?
may you have smothered?
may she have smothered?
may we have smothered?
may you have smothered?
may they have smothered? 	may I have been smothering?
may you have been smothering?
may she have been smothering?
may we have been smothering?
may you have been smothering?
may they have been smothering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I smother?
mayn't you smother?
mayn't she smother?
mayn't we smother?
mayn't you smother?
mayn't they smother? 	mayn't I be smothering?
mayn't you be smothering?
mayn't she be smothering?
mayn't we be smothering?
mayn't you be smothering?
mayn't they be smothering? 	mayn't I have smothered?
mayn't you have smothered?
mayn't she have smothered?
mayn't we have smothered?
mayn't you have smothered?
mayn't they have smothered? 	mayn't I have been smothering?
mayn't you have been smothering?
mayn't she have been smothering?
mayn't we have been smothering?
mayn't you have been smothering?
mayn't they have been smothering?