may simmer
Regular verb: simmer - simmered- simmered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may simmer
you may simmer
he may simmer
we may simmer
you may simmer
they may simmer 	I may be simmering
you may be simmering
he may be simmering
we may be simmering
you may be simmering
they may be simmering	I may have simmered
you may have simmered
he may have simmered
we may have simmered
you may have simmered
they may have simmered	I may have been simmering
you may have been simmering
he may have been simmering
we may have been simmering
you may have been simmering
they may have been simmering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't simmer
you mayn't simmer
he mayn't simmer
we mayn't simmer
you mayn't simmer
they mayn't simmer 	I mayn't be simmering
you mayn't be simmering
he mayn't be simmering
we mayn't be simmering
you mayn't be simmering
they mayn't be simmering	I mayn't have simmered
you mayn't have simmered
he mayn't have simmered
we mayn't have simmered
you mayn't have simmered
they mayn't have simmered	I mayn't have been simmering
you mayn't have been simmering
he mayn't have been simmering
we mayn't have been simmering
you mayn't have been simmering
they mayn't have been simmering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I simmer?
may you simmer?
may he simmer?
may we simmer?
may you simmer?
may they simmer? 	may I be simmering?
may you be simmering?
may he be simmering?
may we be simmering?
may you be simmering?
may they be simmering? 	may I have simmered?
may you have simmered?
may he have simmered?
may we have simmered?
may you have simmered?
may they have simmered? 	may I have been simmering?
may you have been simmering?
may he have been simmering?
may we have been simmering?
may you have been simmering?
may they have been simmering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I simmer?
mayn't you simmer?
mayn't he simmer?
mayn't we simmer?
mayn't you simmer?
mayn't they simmer? 	mayn't I be simmering?
mayn't you be simmering?
mayn't he be simmering?
mayn't we be simmering?
mayn't you be simmering?
mayn't they be simmering? 	mayn't I have simmered?
mayn't you have simmered?
mayn't he have simmered?
mayn't we have simmered?
mayn't you have simmered?
mayn't they have simmered? 	mayn't I have been simmering?
mayn't you have been simmering?
mayn't he have been simmering?
mayn't we have been simmering?
mayn't you have been simmering?
mayn't they have been simmering?