English verb conjugation
COULD HUMP

Regular verb: hump - humped - humped

Affirmation

Simple form	V-ing form
I could hump you could hump he could hump we could hump you could hump they could hump	I could be humping you could be humping he could be humping we could be humping you could be humping they could be humping
Perfect	V-ing perfect
I could have humped you could have humped he could have humped we could have humped you could have humped they could have humped	I could have been humping you could have been humping he could have been humping we could have been humping you could have been humping they could have been humping

Negation

Simple form	V-ing form
I couldn't hump you couldn't hump he couldn't hump we couldn't hump you couldn't hump they couldn't hump	I couldn't be humping you couldn't be humping he couldn't be humping we couldn't be humping you couldn't be humping they couldn't be humping
Perfect	V-ing perfect
I couldn't have humped you couldn't have humped he couldn't have humped we couldn't have humped you couldn't have humped they couldn't have humped	I couldn't have been humping you couldn't have been humping he couldn't have been humping we couldn't have been humping you couldn't have been humping they couldn't have been humping

Interrogative form

Simple form	V-ing form
could I hump? could you hump? could he hump? could we hump? could you hump? could they hump?	could I be humping? could you be humping? could he be humping? could we be humping? could you be humping? could they be humping?
Perfect	V-ing perfect
could I have humped? could you have humped? could he have humped? could we have humped? could you have humped? could they have humped?	could I have been humping? could you have been humping? could he have been humping? could we have been humping? could you have been humping? could they have been humping?

Interro-negative form

Simple form	V-ing form
couldn't I hump? couldn't you hump? couldn't he hump? couldn't we hump? couldn't you hump? couldn't they hump?	couldn't I be humping? couldn't you be humping? couldn't he be humping? couldn't we be humping? couldn't you be humping? couldn't they be humping?
Perfect	V-ing perfect
couldn't I have humped? couldn't you have humped? couldn't he have humped? couldn't we have humped? couldn't you have humped? couldn't they have humped?	couldn't I have been humping? couldn't you have been humping? couldn't he have been humping? couldn't we have been humping? couldn't you have been humping? couldn't they have been humping?