English verb conjugation
COULD DEWORM

Regular verb: deworm - dewormed - dewormed

Affirmation

Simple form	V-ing form
I could deworm you could deworm she could deworm we could deworm you could deworm they could deworm	I could be deworming you could be deworming she 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 she 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 she 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 couldn't deworm you couldn't deworm she couldn't deworm we couldn't deworm you couldn't deworm they couldn't deworm	I couldn't be deworming you couldn't be deworming she couldn't be deworming we couldn't be deworming you couldn't be deworming they couldn't be deworming
Perfect	V-ing perfect
I couldn't have dewormed you couldn't have dewormed she couldn't have dewormed we couldn't have dewormed you couldn't have dewormed they couldn't have dewormed	I couldn't have been deworming you couldn't have been deworming she couldn't have been deworming we couldn't have been deworming you couldn't have been deworming they couldn't have been deworming

Interrogative form

Simple form	V-ing form
could I deworm? could you deworm? could she deworm? could we deworm? could you deworm? could they deworm?	could I be deworming? could you be deworming? could she 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 she 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 she 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
couldn't I deworm? couldn't you deworm? couldn't she deworm? couldn't we deworm? couldn't you deworm? couldn't they deworm?	couldn't I be deworming? couldn't you be deworming? couldn't she be deworming? couldn't we be deworming? couldn't you be deworming? couldn't they be deworming?
Perfect	V-ing perfect
couldn't I have dewormed? couldn't you have dewormed? couldn't she have dewormed? couldn't we have dewormed? couldn't you have dewormed? couldn't they have dewormed?	couldn't I have been deworming? couldn't you have been deworming? couldn't she have been deworming? couldn't we have been deworming? couldn't you have been deworming? couldn't they have been deworming?