may tub tub
Regular verb: tub tub - tub tubed- tub tubed

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tub tub
you may tub tub
he may tub tub
we may tub tub
you may tub tub
they may tub tub 	I may be tub tubing
you may be tub tubing
he may be tub tubing
we may be tub tubing
you may be tub tubing
they may be tub tubing	I may have tub tubed
you may have tub tubed
he may have tub tubed
we may have tub tubed
you may have tub tubed
they may have tub tubed	I may have been tub tubing
you may have been tub tubing
he may have been tub tubing
we may have been tub tubing
you may have been tub tubing
they may have been tub tubing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tub tub
you mayn't tub tub
he mayn't tub tub
we mayn't tub tub
you mayn't tub tub
they mayn't tub tub 	I mayn't be tub tubing
you mayn't be tub tubing
he mayn't be tub tubing
we mayn't be tub tubing
you mayn't be tub tubing
they mayn't be tub tubing	I mayn't have tub tubed
you mayn't have tub tubed
he mayn't have tub tubed
we mayn't have tub tubed
you mayn't have tub tubed
they mayn't have tub tubed	I mayn't have been tub tubing
you mayn't have been tub tubing
he mayn't have been tub tubing
we mayn't have been tub tubing
you mayn't have been tub tubing
they mayn't have been tub tubing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tub tub?
may you tub tub?
may he tub tub?
may we tub tub?
may you tub tub?
may they tub tub? 	may I be tub tubing?
may you be tub tubing?
may he be tub tubing?
may we be tub tubing?
may you be tub tubing?
may they be tub tubing? 	may I have tub tubed?
may you have tub tubed?
may he have tub tubed?
may we have tub tubed?
may you have tub tubed?
may they have tub tubed? 	may I have been tub tubing?
may you have been tub tubing?
may he have been tub tubing?
may we have been tub tubing?
may you have been tub tubing?
may they have been tub tubing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tub tub?
mayn't you tub tub?
mayn't he tub tub?
mayn't we tub tub?
mayn't you tub tub?
mayn't they tub tub? 	mayn't I be tub tubing?
mayn't you be tub tubing?
mayn't he be tub tubing?
mayn't we be tub tubing?
mayn't you be tub tubing?
mayn't they be tub tubing? 	mayn't I have tub tubed?
mayn't you have tub tubed?
mayn't he have tub tubed?
mayn't we have tub tubed?
mayn't you have tub tubed?
mayn't they have tub tubed? 	mayn't I have been tub tubing?
mayn't you have been tub tubing?
mayn't he have been tub tubing?
mayn't we have been tub tubing?
mayn't you have been tub tubing?
mayn't they have been tub tubing?