may half-fill
Regular verb: half-fill - half-filled- half-filled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may half-fill
you may half-fill
he may half-fill
we may half-fill
you may half-fill
they may half-fill 	I may be half-filling
you may be half-filling
he may be half-filling
we may be half-filling
you may be half-filling
they may be half-filling	I may have half-filled
you may have half-filled
he may have half-filled
we may have half-filled
you may have half-filled
they may have half-filled	I may have been half-filling
you may have been half-filling
he may have been half-filling
we may have been half-filling
you may have been half-filling
they may have been half-filling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't half-fill
you mayn't half-fill
he mayn't half-fill
we mayn't half-fill
you mayn't half-fill
they mayn't half-fill 	I mayn't be half-filling
you mayn't be half-filling
he mayn't be half-filling
we mayn't be half-filling
you mayn't be half-filling
they mayn't be half-filling	I mayn't have half-filled
you mayn't have half-filled
he mayn't have half-filled
we mayn't have half-filled
you mayn't have half-filled
they mayn't have half-filled	I mayn't have been half-filling
you mayn't have been half-filling
he mayn't have been half-filling
we mayn't have been half-filling
you mayn't have been half-filling
they mayn't have been half-filling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I half-fill?
may you half-fill?
may he half-fill?
may we half-fill?
may you half-fill?
may they half-fill? 	may I be half-filling?
may you be half-filling?
may he be half-filling?
may we be half-filling?
may you be half-filling?
may they be half-filling? 	may I have half-filled?
may you have half-filled?
may he have half-filled?
may we have half-filled?
may you have half-filled?
may they have half-filled? 	may I have been half-filling?
may you have been half-filling?
may he have been half-filling?
may we have been half-filling?
may you have been half-filling?
may they have been half-filling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I half-fill?
mayn't you half-fill?
mayn't he half-fill?
mayn't we half-fill?
mayn't you half-fill?
mayn't they half-fill? 	mayn't I be half-filling?
mayn't you be half-filling?
mayn't he be half-filling?
mayn't we be half-filling?
mayn't you be half-filling?
mayn't they be half-filling? 	mayn't I have half-filled?
mayn't you have half-filled?
mayn't he have half-filled?
mayn't we have half-filled?
mayn't you have half-filled?
mayn't they have half-filled? 	mayn't I have been half-filling?
mayn't you have been half-filling?
mayn't he have been half-filling?
mayn't we have been half-filling?
mayn't you have been half-filling?
mayn't they have been half-filling?