English verb conjugation
CAN UNZIP

Regular verb: unzip - unziped - unziped

Affirmation

Simple form	V-ing form
I can unzip you can unzip he can unzip we can unzip you can unzip they can unzip	I can be unziping you can be unziping he 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 he 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 he 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 cannot unzip you cannot unzip he cannot unzip we cannot unzip you cannot unzip they cannot unzip	I cannot be unziping you cannot be unziping he cannot be unziping we cannot be unziping you cannot be unziping they cannot be unziping
Perfect	V-ing perfect
I cannot have unziped you cannot have unziped he cannot have unziped we cannot have unziped you cannot have unziped they cannot have unziped	I cannot have been unziping you cannot have been unziping he cannot have been unziping we cannot have been unziping you cannot have been unziping they cannot have been unziping

Interrogative form

Simple form	V-ing form
can I unzip? can you unzip? can he unzip? can we unzip? can you unzip? can they unzip?	can I be unziping? can you be unziping? can he 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 he 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 he 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 I not unzip? can you not unzip? can he not unzip? can we not unzip? can you not unzip? can they not unzip?	can I not be unziping? can you not be unziping? can he not be unziping? can we not be unziping? can you not be unziping? can they not be unziping?
Perfect	V-ing perfect
can I not have unziped? can you not have unziped? can he not have unziped? can we not have unziped? can you not have unziped? can they not have unziped?	can I not have been unziping? can you not have been unziping? can he not have been unziping? can we not have been unziping? can you not have been unziping? can they not have been unziping?