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 can't plump you can't plump he can't plump we can't plump you can't plump they can't plump	I can't be plumping you can't be plumping he can't be plumping we can't be plumping you can't be plumping they can't be plumping
Perfect	V-ing perfect
I can't have plumped you can't have plumped he can't have plumped we can't have plumped you can't have plumped they can't have plumped	I can't have been plumping you can't have been plumping he can't have been plumping we can't have been plumping you can't have been plumping they can't 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't I plump? can't you plump? can't he plump? can't we plump? can't you plump? can't they plump?	can't I be plumping? can't you be plumping? can't he be plumping? can't we be plumping? can't you be plumping? can't they be plumping?
Perfect	V-ing perfect
can't I have plumped? can't you have plumped? can't he have plumped? can't we have plumped? can't you have plumped? can't they have plumped?	can't I have been plumping? can't you have been plumping? can't he have been plumping? can't we have been plumping? can't you have been plumping? can't they have been plumping?