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 cannot slap you cannot slap he cannot slap we cannot slap you cannot slap they cannot slap	I cannot be slapping you cannot be slapping he cannot be slapping we cannot be slapping you cannot be slapping they cannot be slapping
Perfect	V-ing perfect
I cannot have slapped you cannot have slapped he cannot have slapped we cannot have slapped you cannot have slapped they cannot have slapped	I cannot have been slapping you cannot have been slapping he cannot have been slapping we cannot have been slapping you cannot have been slapping they cannot 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 I not slap? can you not slap? can he not slap? can we not slap? can you not slap? can they not slap?	can I not be slapping? can you not be slapping? can he not be slapping? can we not be slapping? can you not be slapping? can they not be slapping?
Perfect	V-ing perfect
can I not have slapped? can you not have slapped? can he not have slapped? can we not have slapped? can you not have slapped? can they not have slapped?	can I not have been slapping? can you not have been slapping? can he not have been slapping? can we not have been slapping? can you not have been slapping? can they not have been slapping?