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 cannot enroll you cannot enroll he cannot enroll we cannot enroll you cannot enroll they cannot enroll	I cannot be enrolling you cannot be enrolling he cannot be enrolling we cannot be enrolling you cannot be enrolling they cannot be enrolling
Perfect	V-ing perfect
I cannot have enrolled you cannot have enrolled he cannot have enrolled we cannot have enrolled you cannot have enrolled they cannot have enrolled	I cannot have been enrolling you cannot have been enrolling he cannot have been enrolling we cannot have been enrolling you cannot have been enrolling they cannot 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 I not enroll? can you not enroll? can he not enroll? can we not enroll? can you not enroll? can they not enroll?	can I not be enrolling? can you not be enrolling? can he not be enrolling? can we not be enrolling? can you not be enrolling? can they not be enrolling?
Perfect	V-ing perfect
can I not have enrolled? can you not have enrolled? can he not have enrolled? can we not have enrolled? can you not have enrolled? can they not have enrolled?	can I not have been enrolling? can you not have been enrolling? can he not have been enrolling? can we not have been enrolling? can you not have been enrolling? can they not have been enrolling?