English verb conjugation
CAN SLUMP

Regular verb: slump - slumped - slumped

Affirmation

Simple form	V-ing form
I can slump you can slump he can slump we can slump you can slump they can slump	I can be slumping you can be slumping he can be slumping we can be slumping you can be slumping they can be slumping
Perfect	V-ing perfect
I can have slumped you can have slumped he can have slumped we can have slumped you can have slumped they can have slumped	I can have been slumping you can have been slumping he can have been slumping we can have been slumping you can have been slumping they can have been slumping

Negation

Simple form	V-ing form
I can't slump you can't slump he can't slump we can't slump you can't slump they can't slump	I can't be slumping you can't be slumping he can't be slumping we can't be slumping you can't be slumping they can't be slumping
Perfect	V-ing perfect
I can't have slumped you can't have slumped he can't have slumped we can't have slumped you can't have slumped they can't have slumped	I can't have been slumping you can't have been slumping he can't have been slumping we can't have been slumping you can't have been slumping they can't have been slumping

Interrogative form

Simple form	V-ing form
can I slump? can you slump? can he slump? can we slump? can you slump? can they slump?	can I be slumping? can you be slumping? can he be slumping? can we be slumping? can you be slumping? can they be slumping?
Perfect	V-ing perfect
can I have slumped? can you have slumped? can he have slumped? can we have slumped? can you have slumped? can they have slumped?	can I have been slumping? can you have been slumping? can he have been slumping? can we have been slumping? can you have been slumping? can they have been slumping?

Interro-negative form

Simple form	V-ing form
can't I slump? can't you slump? can't he slump? can't we slump? can't you slump? can't they slump?	can't I be slumping? can't you be slumping? can't he be slumping? can't we be slumping? can't you be slumping? can't they be slumping?
Perfect	V-ing perfect
can't I have slumped? can't you have slumped? can't he have slumped? can't we have slumped? can't you have slumped? can't they have slumped?	can't I have been slumping? can't you have been slumping? can't he have been slumping? can't we have been slumping? can't you have been slumping? can't they have been slumping?