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 cannot worm you cannot worm he cannot worm we cannot worm you cannot worm they cannot worm	I cannot be worming you cannot be worming he cannot be worming we cannot be worming you cannot be worming they cannot be worming
Perfect	V-ing perfect
I cannot have wormed you cannot have wormed he cannot have wormed we cannot have wormed you cannot have wormed they cannot have wormed	I cannot have been worming you cannot have been worming he cannot have been worming we cannot have been worming you cannot have been worming they cannot 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 I not worm? can you not worm? can he not worm? can we not worm? can you not worm? can they not worm?	can I not be worming? can you not be worming? can he not be worming? can we not be worming? can you not be worming? can they not be worming?
Perfect	V-ing perfect
can I not have wormed? can you not have wormed? can he not have wormed? can we not have wormed? can you not have wormed? can they not have wormed?	can I not have been worming? can you not have been worming? can he not have been worming? can we not have been worming? can you not have been worming? can they not have been worming?