may restrain
Regular verb: restrain - restrained- restrained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may restrain
you may restrain
she may restrain
we may restrain
you may restrain
they may restrain 	I may be restraining
you may be restraining
she may be restraining
we may be restraining
you may be restraining
they may be restraining	I may have restrained
you may have restrained
she may have restrained
we may have restrained
you may have restrained
they may have restrained	I may have been restraining
you may have been restraining
she may have been restraining
we may have been restraining
you may have been restraining
they may have been restraining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't restrain
you mayn't restrain
she mayn't restrain
we mayn't restrain
you mayn't restrain
they mayn't restrain 	I mayn't be restraining
you mayn't be restraining
she mayn't be restraining
we mayn't be restraining
you mayn't be restraining
they mayn't be restraining	I mayn't have restrained
you mayn't have restrained
she mayn't have restrained
we mayn't have restrained
you mayn't have restrained
they mayn't have restrained	I mayn't have been restraining
you mayn't have been restraining
she mayn't have been restraining
we mayn't have been restraining
you mayn't have been restraining
they mayn't have been restraining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I restrain?
may you restrain?
may she restrain?
may we restrain?
may you restrain?
may they restrain? 	may I be restraining?
may you be restraining?
may she be restraining?
may we be restraining?
may you be restraining?
may they be restraining? 	may I have restrained?
may you have restrained?
may she have restrained?
may we have restrained?
may you have restrained?
may they have restrained? 	may I have been restraining?
may you have been restraining?
may she have been restraining?
may we have been restraining?
may you have been restraining?
may they have been restraining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I restrain?
mayn't you restrain?
mayn't she restrain?
mayn't we restrain?
mayn't you restrain?
mayn't they restrain? 	mayn't I be restraining?
mayn't you be restraining?
mayn't she be restraining?
mayn't we be restraining?
mayn't you be restraining?
mayn't they be restraining? 	mayn't I have restrained?
mayn't you have restrained?
mayn't she have restrained?
mayn't we have restrained?
mayn't you have restrained?
mayn't they have restrained? 	mayn't I have been restraining?
mayn't you have been restraining?
mayn't she have been restraining?
mayn't we have been restraining?
mayn't you have been restraining?
mayn't they have been restraining?