can plumpen
Regular verb: plumpen - plumpened- plumpened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can plumpen
you can plumpen
she can plumpen
we can plumpen
you can plumpen
they can plumpen 	I can be plumpening
you can be plumpening
she can be plumpening
we can be plumpening
you can be plumpening
they can be plumpening	I can have plumpened
you can have plumpened
she can have plumpened
we can have plumpened
you can have plumpened
they can have plumpened	I can have been plumpening
you can have been plumpening
she can have been plumpening
we can have been plumpening
you can have been plumpening
they can have been plumpening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot plumpen
you cannot plumpen
she cannot plumpen
we cannot plumpen
you cannot plumpen
they cannot plumpen 	I cannot be plumpening
you cannot be plumpening
she cannot be plumpening
we cannot be plumpening
you cannot be plumpening
they cannot be plumpening	I cannot have plumpened
you cannot have plumpened
she cannot have plumpened
we cannot have plumpened
you cannot have plumpened
they cannot have plumpened	I cannot have been plumpening
you cannot have been plumpening
she cannot have been plumpening
we cannot have been plumpening
you cannot have been plumpening
they cannot have been plumpening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I plumpen?
can you plumpen?
can she plumpen?
can we plumpen?
can you plumpen?
can they plumpen? 	can I be plumpening?
can you be plumpening?
can she be plumpening?
can we be plumpening?
can you be plumpening?
can they be plumpening? 	can I have plumpened?
can you have plumpened?
can she have plumpened?
can we have plumpened?
can you have plumpened?
can they have plumpened? 	can I have been plumpening?
can you have been plumpening?
can she have been plumpening?
can we have been plumpening?
can you have been plumpening?
can they have been plumpening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not plumpen?
can you not plumpen?
can she not plumpen?
can we not plumpen?
can you not plumpen?
can they not plumpen? 	can I not be plumpening?
can you not be plumpening?
can she not be plumpening?
can we not be plumpening?
can you not be plumpening?
can they not be plumpening? 	can I not have plumpened?
can you not have plumpened?
can she not have plumpened?
can we not have plumpened?
can you not have plumpened?
can they not have plumpened? 	can I not have been plumpening?
can you not have been plumpening?
can she not have been plumpening?
can we not have been plumpening?
can you not have been plumpening?
can they not have been plumpening?