English verb conjugation
CAN PLUMP

Regular verb: plump - plumped - plumped

Affirmation

Simple form	V-ing form
I can plump you can plump he can plump we can plump you can plump they can plump	I can be plumping you can be plumping he can be plumping we can be plumping you can be plumping they can be plumping
Perfect	V-ing perfect
I can have plumped you can have plumped he can have plumped we can have plumped you can have plumped they can have plumped	I can have been plumping you can have been plumping he can have been plumping we can have been plumping you can have been plumping they can have been plumping

Negation

Simple form	V-ing form
I cannot plump you cannot plump he cannot plump we cannot plump you cannot plump they cannot plump	I cannot be plumping you cannot be plumping he cannot be plumping we cannot be plumping you cannot be plumping they cannot be plumping
Perfect	V-ing perfect
I cannot have plumped you cannot have plumped he cannot have plumped we cannot have plumped you cannot have plumped they cannot have plumped	I cannot have been plumping you cannot have been plumping he cannot have been plumping we cannot have been plumping you cannot have been plumping they cannot have been plumping

Interrogative form

Simple form	V-ing form
can I plump? can you plump? can he plump? can we plump? can you plump? can they plump?	can I be plumping? can you be plumping? can he be plumping? can we be plumping? can you be plumping? can they be plumping?
Perfect	V-ing perfect
can I have plumped? can you have plumped? can he have plumped? can we have plumped? can you have plumped? can they have plumped?	can I have been plumping? can you have been plumping? can he have been plumping? can we have been plumping? can you have been plumping? can they have been plumping?

Interro-negative form

Simple form	V-ing form
can I not plump? can you not plump? can he not plump? can we not plump? can you not plump? can they not plump?	can I not be plumping? can you not be plumping? can he not be plumping? can we not be plumping? can you not be plumping? can they not be plumping?
Perfect	V-ing perfect
can I not have plumped? can you not have plumped? can he not have plumped? can we not have plumped? can you not have plumped? can they not have plumped?	can I not have been plumping? can you not have been plumping? can he not have been plumping? can we not have been plumping? can you not have been plumping? can they not have been plumping?