may refrain
Verbo regular: refrain - refrained- refrained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may refrain
you may refrain
he may refrain
we may refrain
you may refrain
they may refrain 	I may be refraining
you may be refraining
he may be refraining
we may be refraining
you may be refraining
they may be refraining	I may have refrained
you may have refrained
he may have refrained
we may have refrained
you may have refrained
they may have refrained	I may have been refraining
you may have been refraining
he may have been refraining
we may have been refraining
you may have been refraining
they may have been refraining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't refrain
you mayn't refrain
he mayn't refrain
we mayn't refrain
you mayn't refrain
they mayn't refrain 	I mayn't be refraining
you mayn't be refraining
he mayn't be refraining
we mayn't be refraining
you mayn't be refraining
they mayn't be refraining	I mayn't have refrained
you mayn't have refrained
he mayn't have refrained
we mayn't have refrained
you mayn't have refrained
they mayn't have refrained	I mayn't have been refraining
you mayn't have been refraining
he mayn't have been refraining
we mayn't have been refraining
you mayn't have been refraining
they mayn't have been refraining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I refrain?
may you refrain?
may he refrain?
may we refrain?
may you refrain?
may they refrain? 	may I be refraining?
may you be refraining?
may he be refraining?
may we be refraining?
may you be refraining?
may they be refraining? 	may I have refrained?
may you have refrained?
may he have refrained?
may we have refrained?
may you have refrained?
may they have refrained? 	may I have been refraining?
may you have been refraining?
may he have been refraining?
may we have been refraining?
may you have been refraining?
may they have been refraining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I refrain?
mayn't you refrain?
mayn't he refrain?
mayn't we refrain?
mayn't you refrain?
mayn't they refrain? 	mayn't I be refraining?
mayn't you be refraining?
mayn't he be refraining?
mayn't we be refraining?
mayn't you be refraining?
mayn't they be refraining? 	mayn't I have refrained?
mayn't you have refrained?
mayn't he have refrained?
mayn't we have refrained?
mayn't you have refrained?
mayn't they have refrained? 	mayn't I have been refraining?
mayn't you have been refraining?
mayn't he have been refraining?
mayn't we have been refraining?
mayn't you have been refraining?
mayn't they have been refraining?