may vapor
Regular verb: vapor - vapored- vapored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vapor
you may vapor
he may vapor
we may vapor
you may vapor
they may vapor 	I may be vaporing
you may be vaporing
he may be vaporing
we may be vaporing
you may be vaporing
they may be vaporing	I may have vapored
you may have vapored
he may have vapored
we may have vapored
you may have vapored
they may have vapored	I may have been vaporing
you may have been vaporing
he may have been vaporing
we may have been vaporing
you may have been vaporing
they may have been vaporing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't vapor
you mayn't vapor
he mayn't vapor
we mayn't vapor
you mayn't vapor
they mayn't vapor 	I mayn't be vaporing
you mayn't be vaporing
he mayn't be vaporing
we mayn't be vaporing
you mayn't be vaporing
they mayn't be vaporing	I mayn't have vapored
you mayn't have vapored
he mayn't have vapored
we mayn't have vapored
you mayn't have vapored
they mayn't have vapored	I mayn't have been vaporing
you mayn't have been vaporing
he mayn't have been vaporing
we mayn't have been vaporing
you mayn't have been vaporing
they mayn't have been vaporing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vapor?
may you vapor?
may he vapor?
may we vapor?
may you vapor?
may they vapor? 	may I be vaporing?
may you be vaporing?
may he be vaporing?
may we be vaporing?
may you be vaporing?
may they be vaporing? 	may I have vapored?
may you have vapored?
may he have vapored?
may we have vapored?
may you have vapored?
may they have vapored? 	may I have been vaporing?
may you have been vaporing?
may he have been vaporing?
may we have been vaporing?
may you have been vaporing?
may they have been vaporing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I vapor?
mayn't you vapor?
mayn't he vapor?
mayn't we vapor?
mayn't you vapor?
mayn't they vapor? 	mayn't I be vaporing?
mayn't you be vaporing?
mayn't he be vaporing?
mayn't we be vaporing?
mayn't you be vaporing?
mayn't they be vaporing? 	mayn't I have vapored?
mayn't you have vapored?
mayn't he have vapored?
mayn't we have vapored?
mayn't you have vapored?
mayn't they have vapored? 	mayn't I have been vaporing?
mayn't you have been vaporing?
mayn't he have been vaporing?
mayn't we have been vaporing?
mayn't you have been vaporing?
mayn't they have been vaporing?