English verb conjugation
COULD IMMATERIALIZE

Regular verb: immaterialize - immaterialized - immaterialized

Affirmation

Simple form	V-ing form
I could immaterialize you could immaterialize she could immaterialize we could immaterialize you could immaterialize they could immaterialize	I could be immaterializing you could be immaterializing she could be immaterializing we could be immaterializing you could be immaterializing they could be immaterializing
Perfect	V-ing perfect
I could have immaterialized you could have immaterialized she could have immaterialized we could have immaterialized you could have immaterialized they could have immaterialized	I could have been immaterializing you could have been immaterializing she could have been immaterializing we could have been immaterializing you could have been immaterializing they could have been immaterializing

Negation

Simple form	V-ing form
I could not immaterialize you could not immaterialize she could not immaterialize we could not immaterialize you could not immaterialize they could not immaterialize	I could not be immaterializing you could not be immaterializing she could not be immaterializing we could not be immaterializing you could not be immaterializing they could not be immaterializing
Perfect	V-ing perfect
I could not have immaterialized you could not have immaterialized she could not have immaterialized we could not have immaterialized you could not have immaterialized they could not have immaterialized	I could not have been immaterializing you could not have been immaterializing she could not have been immaterializing we could not have been immaterializing you could not have been immaterializing they could not have been immaterializing

Interrogative form

Simple form	V-ing form
could I immaterialize? could you immaterialize? could she immaterialize? could we immaterialize? could you immaterialize? could they immaterialize?	could I be immaterializing? could you be immaterializing? could she be immaterializing? could we be immaterializing? could you be immaterializing? could they be immaterializing?
Perfect	V-ing perfect
could I have immaterialized? could you have immaterialized? could she have immaterialized? could we have immaterialized? could you have immaterialized? could they have immaterialized?	could I have been immaterializing? could you have been immaterializing? could she have been immaterializing? could we have been immaterializing? could you have been immaterializing? could they have been immaterializing?

Interro-negative form

Simple form	V-ing form
could I not immaterialize? could you not immaterialize? could she not immaterialize? could we not immaterialize? could you not immaterialize? could they not immaterialize?	could I not be immaterializing? could you not be immaterializing? could she not be immaterializing? could we not be immaterializing? could you not be immaterializing? could they not be immaterializing?
Perfect	V-ing perfect
could I not have immaterialized? could you not have immaterialized? could she not have immaterialized? could we not have immaterialized? could you not have immaterialized? could they not have immaterialized?	could I not have been immaterializing? could you not have been immaterializing? could she not have been immaterializing? could we not have been immaterializing? could you not have been immaterializing? could they not have been immaterializing?