English verb conjugation
CAN VERSIFY

Regular verb: versify - versified - versified

Affirmation

Simple form	V-ing form
I can versify you can versify she can versify we can versify you can versify they can versify	I can be versifying you can be versifying she can be versifying we can be versifying you can be versifying they can be versifying
Perfect	V-ing perfect
I can have versified you can have versified she can have versified we can have versified you can have versified they can have versified	I can have been versifying you can have been versifying she can have been versifying we can have been versifying you can have been versifying they can have been versifying

Negation

Simple form	V-ing form
I can't versify you can't versify she can't versify we can't versify you can't versify they can't versify	I can't be versifying you can't be versifying she can't be versifying we can't be versifying you can't be versifying they can't be versifying
Perfect	V-ing perfect
I can't have versified you can't have versified she can't have versified we can't have versified you can't have versified they can't have versified	I can't have been versifying you can't have been versifying she can't have been versifying we can't have been versifying you can't have been versifying they can't have been versifying

Interrogative form

Simple form	V-ing form
can I versify? can you versify? can she versify? can we versify? can you versify? can they versify?	can I be versifying? can you be versifying? can she be versifying? can we be versifying? can you be versifying? can they be versifying?
Perfect	V-ing perfect
can I have versified? can you have versified? can she have versified? can we have versified? can you have versified? can they have versified?	can I have been versifying? can you have been versifying? can she have been versifying? can we have been versifying? can you have been versifying? can they have been versifying?

Interro-negative form

Simple form	V-ing form
can't I versify? can't you versify? can't she versify? can't we versify? can't you versify? can't they versify?	can't I be versifying? can't you be versifying? can't she be versifying? can't we be versifying? can't you be versifying? can't they be versifying?
Perfect	V-ing perfect
can't I have versified? can't you have versified? can't she have versified? can't we have versified? can't you have versified? can't they have versified?	can't I have been versifying? can't you have been versifying? can't she have been versifying? can't we have been versifying? can't you have been versifying? can't they have been versifying?