English verb conjugation
CAN ENROLL

Regular verb: enroll - enrolled - enrolled

Affirmation

Simple form	V-ing form
I can enroll you can enroll he can enroll we can enroll you can enroll they can enroll	I can be enrolling you can be enrolling he can be enrolling we can be enrolling you can be enrolling they can be enrolling
Perfect	V-ing perfect
I can have enrolled you can have enrolled he can have enrolled we can have enrolled you can have enrolled they can have enrolled	I can have been enrolling you can have been enrolling he can have been enrolling we can have been enrolling you can have been enrolling they can have been enrolling

Negation

Simple form	V-ing form
I can't enroll you can't enroll he can't enroll we can't enroll you can't enroll they can't enroll	I can't be enrolling you can't be enrolling he can't be enrolling we can't be enrolling you can't be enrolling they can't be enrolling
Perfect	V-ing perfect
I can't have enrolled you can't have enrolled he can't have enrolled we can't have enrolled you can't have enrolled they can't have enrolled	I can't have been enrolling you can't have been enrolling he can't have been enrolling we can't have been enrolling you can't have been enrolling they can't have been enrolling

Interrogative form

Simple form	V-ing form
can I enroll? can you enroll? can he enroll? can we enroll? can you enroll? can they enroll?	can I be enrolling? can you be enrolling? can he be enrolling? can we be enrolling? can you be enrolling? can they be enrolling?
Perfect	V-ing perfect
can I have enrolled? can you have enrolled? can he have enrolled? can we have enrolled? can you have enrolled? can they have enrolled?	can I have been enrolling? can you have been enrolling? can he have been enrolling? can we have been enrolling? can you have been enrolling? can they have been enrolling?

Interro-negative form

Simple form	V-ing form
can't I enroll? can't you enroll? can't he enroll? can't we enroll? can't you enroll? can't they enroll?	can't I be enrolling? can't you be enrolling? can't he be enrolling? can't we be enrolling? can't you be enrolling? can't they be enrolling?
Perfect	V-ing perfect
can't I have enrolled? can't you have enrolled? can't he have enrolled? can't we have enrolled? can't you have enrolled? can't they have enrolled?	can't I have been enrolling? can't you have been enrolling? can't he have been enrolling? can't we have been enrolling? can't you have been enrolling? can't they have been enrolling?