English verb conjugation
CAN ZAP

Regular verb: zap - zapped - zapped

Affirmation

Simple form	V-ing form
I can zap you can zap he can zap we can zap you can zap they can zap	I can be zapping you can be zapping he can be zapping we can be zapping you can be zapping they can be zapping
Perfect	V-ing perfect
I can have zapped you can have zapped he can have zapped we can have zapped you can have zapped they can have zapped	I can have been zapping you can have been zapping he can have been zapping we can have been zapping you can have been zapping they can have been zapping

Negation

Simple form	V-ing form
I can't zap you can't zap he can't zap we can't zap you can't zap they can't zap	I can't be zapping you can't be zapping he can't be zapping we can't be zapping you can't be zapping they can't be zapping
Perfect	V-ing perfect
I can't have zapped you can't have zapped he can't have zapped we can't have zapped you can't have zapped they can't have zapped	I can't have been zapping you can't have been zapping he can't have been zapping we can't have been zapping you can't have been zapping they can't have been zapping

Interrogative form

Simple form	V-ing form
can I zap? can you zap? can he zap? can we zap? can you zap? can they zap?	can I be zapping? can you be zapping? can he be zapping? can we be zapping? can you be zapping? can they be zapping?
Perfect	V-ing perfect
can I have zapped? can you have zapped? can he have zapped? can we have zapped? can you have zapped? can they have zapped?	can I have been zapping? can you have been zapping? can he have been zapping? can we have been zapping? can you have been zapping? can they have been zapping?

Interro-negative form

Simple form	V-ing form
can't I zap? can't you zap? can't he zap? can't we zap? can't you zap? can't they zap?	can't I be zapping? can't you be zapping? can't he be zapping? can't we be zapping? can't you be zapping? can't they be zapping?
Perfect	V-ing perfect
can't I have zapped? can't you have zapped? can't he have zapped? can't we have zapped? can't you have zapped? can't they have zapped?	can't I have been zapping? can't you have been zapping? can't he have been zapping? can't we have been zapping? can't you have been zapping? can't they have been zapping?