English verb conjugation
COULD WORM

Regular verb: worm - wormed - wormed

Affirmation

Simple form	V-ing form
I could worm you could worm he could worm we could worm you could worm they could worm	I could be worming you could be worming he could be worming we could be worming you could be worming they could be worming
Perfect	V-ing perfect
I could have wormed you could have wormed he could have wormed we could have wormed you could have wormed they could have wormed	I could have been worming you could have been worming he could have been worming we could have been worming you could have been worming they could have been worming

Negation

Simple form	V-ing form
I couldn't worm you couldn't worm he couldn't worm we couldn't worm you couldn't worm they couldn't worm	I couldn't be worming you couldn't be worming he couldn't be worming we couldn't be worming you couldn't be worming they couldn't be worming
Perfect	V-ing perfect
I couldn't have wormed you couldn't have wormed he couldn't have wormed we couldn't have wormed you couldn't have wormed they couldn't have wormed	I couldn't have been worming you couldn't have been worming he couldn't have been worming we couldn't have been worming you couldn't have been worming they couldn't have been worming

Interrogative form

Simple form	V-ing form
could I worm? could you worm? could he worm? could we worm? could you worm? could they worm?	could I be worming? could you be worming? could he be worming? could we be worming? could you be worming? could they be worming?
Perfect	V-ing perfect
could I have wormed? could you have wormed? could he have wormed? could we have wormed? could you have wormed? could they have wormed?	could I have been worming? could you have been worming? could he have been worming? could we have been worming? could you have been worming? could they have been worming?

Interro-negative form

Simple form	V-ing form
couldn't I worm? couldn't you worm? couldn't he worm? couldn't we worm? couldn't you worm? couldn't they worm?	couldn't I be worming? couldn't you be worming? couldn't he be worming? couldn't we be worming? couldn't you be worming? couldn't they be worming?
Perfect	V-ing perfect
couldn't I have wormed? couldn't you have wormed? couldn't he have wormed? couldn't we have wormed? couldn't you have wormed? couldn't they have wormed?	couldn't I have been worming? couldn't you have been worming? couldn't he have been worming? couldn't we have been worming? couldn't you have been worming? couldn't they have been worming?