English verb conjugation
COULD GEM

Regular verb: gem - gemed - gemed

Affirmation

Simple form	V-ing form
I could gem you could gem he could gem we could gem you could gem they could gem	I could be geming you could be geming he could be geming we could be geming you could be geming they could be geming
Perfect	V-ing perfect
I could have gemed you could have gemed he could have gemed we could have gemed you could have gemed they could have gemed	I could have been geming you could have been geming he could have been geming we could have been geming you could have been geming they could have been geming

Negation

Simple form	V-ing form
I could not gem you could not gem he could not gem we could not gem you could not gem they could not gem	I could not be geming you could not be geming he could not be geming we could not be geming you could not be geming they could not be geming
Perfect	V-ing perfect
I could not have gemed you could not have gemed he could not have gemed we could not have gemed you could not have gemed they could not have gemed	I could not have been geming you could not have been geming he could not have been geming we could not have been geming you could not have been geming they could not have been geming

Interrogative form

Simple form	V-ing form
could I gem? could you gem? could he gem? could we gem? could you gem? could they gem?	could I be geming? could you be geming? could he be geming? could we be geming? could you be geming? could they be geming?
Perfect	V-ing perfect
could I have gemed? could you have gemed? could he have gemed? could we have gemed? could you have gemed? could they have gemed?	could I have been geming? could you have been geming? could he have been geming? could we have been geming? could you have been geming? could they have been geming?

Interro-negative form

Simple form	V-ing form
could I not gem? could you not gem? could he not gem? could we not gem? could you not gem? could they not gem?	could I not be geming? could you not be geming? could he not be geming? could we not be geming? could you not be geming? could they not be geming?
Perfect	V-ing perfect
could I not have gemed? could you not have gemed? could he not have gemed? could we not have gemed? could you not have gemed? could they not have gemed?	could I not have been geming? could you not have been geming? could he not have been geming? could we not have been geming? could you not have been geming? could they not have been geming?