may smother
Regular verb: smother - smothered- smothered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may smother
you may smother
he may smother
we may smother
you may smother
they may smother 	I may be smothering
you may be smothering
he may be smothering
we may be smothering
you may be smothering
they may be smothering	I may have smothered
you may have smothered
he 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
he 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
he 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
he 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
he 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
he 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 he smother?
may we smother?
may you smother?
may they smother? 	may I be smothering?
may you be smothering?
may he be smothering?
may we be smothering?
may you be smothering?
may they be smothering? 	may I have smothered?
may you have smothered?
may he 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 he 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 he 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 he 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 he 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 he have been smothering?
mayn't we have been smothering?
mayn't you have been smothering?
mayn't they have been smothering?