English verb conjugation
CAN SLAP

Regular verb: slap - slapped - slapped

Affirmation

Simple form	V-ing form
I can slap you can slap he can slap we can slap you can slap they can slap	I can be slapping you can be slapping he can be slapping we can be slapping you can be slapping they can be slapping
Perfect	V-ing perfect
I can have slapped you can have slapped he can have slapped we can have slapped you can have slapped they can have slapped	I can have been slapping you can have been slapping he can have been slapping we can have been slapping you can have been slapping they can have been slapping

Negation

Simple form	V-ing form
I can't slap you can't slap he can't slap we can't slap you can't slap they can't slap	I can't be slapping you can't be slapping he can't be slapping we can't be slapping you can't be slapping they can't be slapping
Perfect	V-ing perfect
I can't have slapped you can't have slapped he can't have slapped we can't have slapped you can't have slapped they can't have slapped	I can't have been slapping you can't have been slapping he can't have been slapping we can't have been slapping you can't have been slapping they can't have been slapping

Interrogative form

Simple form	V-ing form
can I slap? can you slap? can he slap? can we slap? can you slap? can they slap?	can I be slapping? can you be slapping? can he be slapping? can we be slapping? can you be slapping? can they be slapping?
Perfect	V-ing perfect
can I have slapped? can you have slapped? can he have slapped? can we have slapped? can you have slapped? can they have slapped?	can I have been slapping? can you have been slapping? can he have been slapping? can we have been slapping? can you have been slapping? can they have been slapping?

Interro-negative form

Simple form	V-ing form
can't I slap? can't you slap? can't he slap? can't we slap? can't you slap? can't they slap?	can't I be slapping? can't you be slapping? can't he be slapping? can't we be slapping? can't you be slapping? can't they be slapping?
Perfect	V-ing perfect
can't I have slapped? can't you have slapped? can't he have slapped? can't we have slapped? can't you have slapped? can't they have slapped?	can't I have been slapping? can't you have been slapping? can't he have been slapping? can't we have been slapping? can't you have been slapping? can't they have been slapping?