English verb conjugation
CAN WORM

Regular verb: worm - wormed - wormed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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