English verb conjugation
CAN UNZIP

Regular verb: unzip - unziped - unziped

Affirmation

Simple form	V-ing form
I can unzip you can unzip she can unzip we can unzip you can unzip they can unzip	I can be unziping you can be unziping she can be unziping we can be unziping you can be unziping they can be unziping
Perfect	V-ing perfect
I can have unziped you can have unziped she can have unziped we can have unziped you can have unziped they can have unziped	I can have been unziping you can have been unziping she can have been unziping we can have been unziping you can have been unziping they can have been unziping

Negation

Simple form	V-ing form
I can't unzip you can't unzip she can't unzip we can't unzip you can't unzip they can't unzip	I can't be unziping you can't be unziping she can't be unziping we can't be unziping you can't be unziping they can't be unziping
Perfect	V-ing perfect
I can't have unziped you can't have unziped she can't have unziped we can't have unziped you can't have unziped they can't have unziped	I can't have been unziping you can't have been unziping she can't have been unziping we can't have been unziping you can't have been unziping they can't have been unziping

Interrogative form

Simple form	V-ing form
can I unzip? can you unzip? can she unzip? can we unzip? can you unzip? can they unzip?	can I be unziping? can you be unziping? can she be unziping? can we be unziping? can you be unziping? can they be unziping?
Perfect	V-ing perfect
can I have unziped? can you have unziped? can she have unziped? can we have unziped? can you have unziped? can they have unziped?	can I have been unziping? can you have been unziping? can she have been unziping? can we have been unziping? can you have been unziping? can they have been unziping?

Interro-negative form

Simple form	V-ing form
can't I unzip? can't you unzip? can't she unzip? can't we unzip? can't you unzip? can't they unzip?	can't I be unziping? can't you be unziping? can't she be unziping? can't we be unziping? can't you be unziping? can't they be unziping?
Perfect	V-ing perfect
can't I have unziped? can't you have unziped? can't she have unziped? can't we have unziped? can't you have unziped? can't they have unziped?	can't I have been unziping? can't you have been unziping? can't she have been unziping? can't we have been unziping? can't you have been unziping? can't they have been unziping?