may enrol
Regular verb: enrol - enrolled- enrolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may enrol
you may enrol
he may enrol
we may enrol
you may enrol
they may enrol 	I may be enrolling
you may be enrolling
he may be enrolling
we may be enrolling
you may be enrolling
they may be enrolling	I may have enrolled
you may have enrolled
he may have enrolled
we may have enrolled
you may have enrolled
they may have enrolled	I may have been enrolling
you may have been enrolling
he may have been enrolling
we may have been enrolling
you may have been enrolling
they may have been enrolling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't enrol
you mayn't enrol
he mayn't enrol
we mayn't enrol
you mayn't enrol
they mayn't enrol 	I mayn't be enrolling
you mayn't be enrolling
he mayn't be enrolling
we mayn't be enrolling
you mayn't be enrolling
they mayn't be enrolling	I mayn't have enrolled
you mayn't have enrolled
he mayn't have enrolled
we mayn't have enrolled
you mayn't have enrolled
they mayn't have enrolled	I mayn't have been enrolling
you mayn't have been enrolling
he mayn't have been enrolling
we mayn't have been enrolling
you mayn't have been enrolling
they mayn't have been enrolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I enrol?
may you enrol?
may he enrol?
may we enrol?
may you enrol?
may they enrol? 	may I be enrolling?
may you be enrolling?
may he be enrolling?
may we be enrolling?
may you be enrolling?
may they be enrolling? 	may I have enrolled?
may you have enrolled?
may he have enrolled?
may we have enrolled?
may you have enrolled?
may they have enrolled? 	may I have been enrolling?
may you have been enrolling?
may he have been enrolling?
may we have been enrolling?
may you have been enrolling?
may they have been enrolling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I enrol?
mayn't you enrol?
mayn't he enrol?
mayn't we enrol?
mayn't you enrol?
mayn't they enrol? 	mayn't I be enrolling?
mayn't you be enrolling?
mayn't he be enrolling?
mayn't we be enrolling?
mayn't you be enrolling?
mayn't they be enrolling? 	mayn't I have enrolled?
mayn't you have enrolled?
mayn't he have enrolled?
mayn't we have enrolled?
mayn't you have enrolled?
mayn't they have enrolled? 	mayn't I have been enrolling?
mayn't you have been enrolling?
mayn't he have been enrolling?
mayn't we have been enrolling?
mayn't you have been enrolling?
mayn't they have been enrolling?