can slam
Regular verb: slam - slammed- slammed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can slam
you can slam
she can slam
we can slam
you can slam
they can slam 	I can be slamming
you can be slamming
she can be slamming
we can be slamming
you can be slamming
they can be slamming	I can have slammed
you can have slammed
she can have slammed
we can have slammed
you can have slammed
they can have slammed	I can have been slamming
you can have been slamming
she can have been slamming
we can have been slamming
you can have been slamming
they can have been slamming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot slam
you cannot slam
she cannot slam
we cannot slam
you cannot slam
they cannot slam 	I cannot be slamming
you cannot be slamming
she cannot be slamming
we cannot be slamming
you cannot be slamming
they cannot be slamming	I cannot have slammed
you cannot have slammed
she cannot have slammed
we cannot have slammed
you cannot have slammed
they cannot have slammed	I cannot have been slamming
you cannot have been slamming
she cannot have been slamming
we cannot have been slamming
you cannot have been slamming
they cannot have been slamming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I slam?
can you slam?
can she slam?
can we slam?
can you slam?
can they slam? 	can I be slamming?
can you be slamming?
can she be slamming?
can we be slamming?
can you be slamming?
can they be slamming? 	can I have slammed?
can you have slammed?
can she have slammed?
can we have slammed?
can you have slammed?
can they have slammed? 	can I have been slamming?
can you have been slamming?
can she have been slamming?
can we have been slamming?
can you have been slamming?
can they have been slamming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not slam?
can you not slam?
can she not slam?
can we not slam?
can you not slam?
can they not slam? 	can I not be slamming?
can you not be slamming?
can she not be slamming?
can we not be slamming?
can you not be slamming?
can they not be slamming? 	can I not have slammed?
can you not have slammed?
can she not have slammed?
can we not have slammed?
can you not have slammed?
can they not have slammed? 	can I not have been slamming?
can you not have been slamming?
can she not have been slamming?
can we not have been slamming?
can you not have been slamming?
can they not have been slamming?