English verb conjugation
COULD CRUMP

Regular verb: crump - crumped - crumped

Affirmation

Simple form	V-ing form
I could crump you could crump she could crump we could crump you could crump they could crump	I could be crumping you could be crumping she could be crumping we could be crumping you could be crumping they could be crumping
Perfect	V-ing perfect
I could have crumped you could have crumped she could have crumped we could have crumped you could have crumped they could have crumped	I could have been crumping you could have been crumping she could have been crumping we could have been crumping you could have been crumping they could have been crumping

Negation

Simple form	V-ing form
I couldn't crump you couldn't crump she couldn't crump we couldn't crump you couldn't crump they couldn't crump	I couldn't be crumping you couldn't be crumping she couldn't be crumping we couldn't be crumping you couldn't be crumping they couldn't be crumping
Perfect	V-ing perfect
I couldn't have crumped you couldn't have crumped she couldn't have crumped we couldn't have crumped you couldn't have crumped they couldn't have crumped	I couldn't have been crumping you couldn't have been crumping she couldn't have been crumping we couldn't have been crumping you couldn't have been crumping they couldn't have been crumping

Interrogative form

Simple form	V-ing form
could I crump? could you crump? could she crump? could we crump? could you crump? could they crump?	could I be crumping? could you be crumping? could she be crumping? could we be crumping? could you be crumping? could they be crumping?
Perfect	V-ing perfect
could I have crumped? could you have crumped? could she have crumped? could we have crumped? could you have crumped? could they have crumped?	could I have been crumping? could you have been crumping? could she have been crumping? could we have been crumping? could you have been crumping? could they have been crumping?

Interro-negative form

Simple form	V-ing form
couldn't I crump? couldn't you crump? couldn't she crump? couldn't we crump? couldn't you crump? couldn't they crump?	couldn't I be crumping? couldn't you be crumping? couldn't she be crumping? couldn't we be crumping? couldn't you be crumping? couldn't they be crumping?
Perfect	V-ing perfect
couldn't I have crumped? couldn't you have crumped? couldn't she have crumped? couldn't we have crumped? couldn't you have crumped? couldn't they have crumped?	couldn't I have been crumping? couldn't you have been crumping? couldn't she have been crumping? couldn't we have been crumping? couldn't you have been crumping? couldn't they have been crumping?