may vamp
Regular verb: vamp - vamped- vamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vamp
you may vamp
he may vamp
we may vamp
you may vamp
they may vamp 	I may be vamping
you may be vamping
he may be vamping
we may be vamping
you may be vamping
they may be vamping	I may have vamped
you may have vamped
he may have vamped
we may have vamped
you may have vamped
they may have vamped	I may have been vamping
you may have been vamping
he may have been vamping
we may have been vamping
you may have been vamping
they may have been vamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't vamp
you mayn't vamp
he mayn't vamp
we mayn't vamp
you mayn't vamp
they mayn't vamp 	I mayn't be vamping
you mayn't be vamping
he mayn't be vamping
we mayn't be vamping
you mayn't be vamping
they mayn't be vamping	I mayn't have vamped
you mayn't have vamped
he mayn't have vamped
we mayn't have vamped
you mayn't have vamped
they mayn't have vamped	I mayn't have been vamping
you mayn't have been vamping
he mayn't have been vamping
we mayn't have been vamping
you mayn't have been vamping
they mayn't have been vamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vamp?
may you vamp?
may he vamp?
may we vamp?
may you vamp?
may they vamp? 	may I be vamping?
may you be vamping?
may he be vamping?
may we be vamping?
may you be vamping?
may they be vamping? 	may I have vamped?
may you have vamped?
may he have vamped?
may we have vamped?
may you have vamped?
may they have vamped? 	may I have been vamping?
may you have been vamping?
may he have been vamping?
may we have been vamping?
may you have been vamping?
may they have been vamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I vamp?
mayn't you vamp?
mayn't he vamp?
mayn't we vamp?
mayn't you vamp?
mayn't they vamp? 	mayn't I be vamping?
mayn't you be vamping?
mayn't he be vamping?
mayn't we be vamping?
mayn't you be vamping?
mayn't they be vamping? 	mayn't I have vamped?
mayn't you have vamped?
mayn't he have vamped?
mayn't we have vamped?
mayn't you have vamped?
mayn't they have vamped? 	mayn't I have been vamping?
mayn't you have been vamping?
mayn't he have been vamping?
mayn't we have been vamping?
mayn't you have been vamping?
mayn't they have been vamping?