English verb conjugation
COULD DEWORM

Regular verb: deworm - dewormed - dewormed

Affirmation

Simple form	V-ing form
I could deworm you could deworm he could deworm we could deworm you could deworm they could deworm	I could be deworming you could be deworming he could be deworming we could be deworming you could be deworming they could be deworming
Perfect	V-ing perfect
I could have dewormed you could have dewormed he could have dewormed we could have dewormed you could have dewormed they could have dewormed	I could have been deworming you could have been deworming he could have been deworming we could have been deworming you could have been deworming they could have been deworming

Negation

Simple form	V-ing form
I could not deworm you could not deworm he could not deworm we could not deworm you could not deworm they could not deworm	I could not be deworming you could not be deworming he could not be deworming we could not be deworming you could not be deworming they could not be deworming
Perfect	V-ing perfect
I could not have dewormed you could not have dewormed he could not have dewormed we could not have dewormed you could not have dewormed they could not have dewormed	I could not have been deworming you could not have been deworming he could not have been deworming we could not have been deworming you could not have been deworming they could not have been deworming

Interrogative form

Simple form	V-ing form
could I deworm? could you deworm? could he deworm? could we deworm? could you deworm? could they deworm?	could I be deworming? could you be deworming? could he be deworming? could we be deworming? could you be deworming? could they be deworming?
Perfect	V-ing perfect
could I have dewormed? could you have dewormed? could he have dewormed? could we have dewormed? could you have dewormed? could they have dewormed?	could I have been deworming? could you have been deworming? could he have been deworming? could we have been deworming? could you have been deworming? could they have been deworming?

Interro-negative form

Simple form	V-ing form
could I not deworm? could you not deworm? could he not deworm? could we not deworm? could you not deworm? could they not deworm?	could I not be deworming? could you not be deworming? could he not be deworming? could we not be deworming? could you not be deworming? could they not be deworming?
Perfect	V-ing perfect
could I not have dewormed? could you not have dewormed? could he not have dewormed? could we not have dewormed? could you not have dewormed? could they not have dewormed?	could I not have been deworming? could you not have been deworming? could he not have been deworming? could we not have been deworming? could you not have been deworming? could they not have been deworming?