may sentinel
Regular verb: sentinel - sentineled- sentineled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sentinel
you may sentinel
he may sentinel
we may sentinel
you may sentinel
they may sentinel 	I may be sentineling
you may be sentineling
he may be sentineling
we may be sentineling
you may be sentineling
they may be sentineling	I may have sentineled
you may have sentineled
he may have sentineled
we may have sentineled
you may have sentineled
they may have sentineled	I may have been sentineling
you may have been sentineling
he may have been sentineling
we may have been sentineling
you may have been sentineling
they may have been sentineling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't sentinel
you mayn't sentinel
he mayn't sentinel
we mayn't sentinel
you mayn't sentinel
they mayn't sentinel 	I mayn't be sentineling
you mayn't be sentineling
he mayn't be sentineling
we mayn't be sentineling
you mayn't be sentineling
they mayn't be sentineling	I mayn't have sentineled
you mayn't have sentineled
he mayn't have sentineled
we mayn't have sentineled
you mayn't have sentineled
they mayn't have sentineled	I mayn't have been sentineling
you mayn't have been sentineling
he mayn't have been sentineling
we mayn't have been sentineling
you mayn't have been sentineling
they mayn't have been sentineling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sentinel?
may you sentinel?
may he sentinel?
may we sentinel?
may you sentinel?
may they sentinel? 	may I be sentineling?
may you be sentineling?
may he be sentineling?
may we be sentineling?
may you be sentineling?
may they be sentineling? 	may I have sentineled?
may you have sentineled?
may he have sentineled?
may we have sentineled?
may you have sentineled?
may they have sentineled? 	may I have been sentineling?
may you have been sentineling?
may he have been sentineling?
may we have been sentineling?
may you have been sentineling?
may they have been sentineling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I sentinel?
mayn't you sentinel?
mayn't he sentinel?
mayn't we sentinel?
mayn't you sentinel?
mayn't they sentinel? 	mayn't I be sentineling?
mayn't you be sentineling?
mayn't he be sentineling?
mayn't we be sentineling?
mayn't you be sentineling?
mayn't they be sentineling? 	mayn't I have sentineled?
mayn't you have sentineled?
mayn't he have sentineled?
mayn't we have sentineled?
mayn't you have sentineled?
mayn't they have sentineled? 	mayn't I have been sentineling?
mayn't you have been sentineling?
mayn't he have been sentineling?
mayn't we have been sentineling?
mayn't you have been sentineling?
mayn't they have been sentineling?