can pup
Regular verb: pup - pupped- pupped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pup
you can pup
he can pup
we can pup
you can pup
they can pup 	I can be pupping
you can be pupping
he can be pupping
we can be pupping
you can be pupping
they can be pupping	I can have pupped
you can have pupped
he can have pupped
we can have pupped
you can have pupped
they can have pupped	I can have been pupping
you can have been pupping
he can have been pupping
we can have been pupping
you can have been pupping
they can have been pupping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot pup
you cannot pup
he cannot pup
we cannot pup
you cannot pup
they cannot pup 	I cannot be pupping
you cannot be pupping
he cannot be pupping
we cannot be pupping
you cannot be pupping
they cannot be pupping	I cannot have pupped
you cannot have pupped
he cannot have pupped
we cannot have pupped
you cannot have pupped
they cannot have pupped	I cannot have been pupping
you cannot have been pupping
he cannot have been pupping
we cannot have been pupping
you cannot have been pupping
they cannot have been pupping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pup?
can you pup?
can he pup?
can we pup?
can you pup?
can they pup? 	can I be pupping?
can you be pupping?
can he be pupping?
can we be pupping?
can you be pupping?
can they be pupping? 	can I have pupped?
can you have pupped?
can he have pupped?
can we have pupped?
can you have pupped?
can they have pupped? 	can I have been pupping?
can you have been pupping?
can he have been pupping?
can we have been pupping?
can you have been pupping?
can they have been pupping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not pup?
can you not pup?
can he not pup?
can we not pup?
can you not pup?
can they not pup? 	can I not be pupping?
can you not be pupping?
can he not be pupping?
can we not be pupping?
can you not be pupping?
can they not be pupping? 	can I not have pupped?
can you not have pupped?
can he not have pupped?
can we not have pupped?
can you not have pupped?
can they not have pupped? 	can I not have been pupping?
can you not have been pupping?
can he not have been pupping?
can we not have been pupping?
can you not have been pupping?
can they not have been pupping?