English verb conjugation
COULD SUBSUME

Regular verb: subsume - subsumed - subsumed

Affirmation

Simple form	V-ing form
I could subsume you could subsume he could subsume we could subsume you could subsume they could subsume	I could be subsuming you could be subsuming he could be subsuming we could be subsuming you could be subsuming they could be subsuming
Perfect	V-ing perfect
I could have subsumed you could have subsumed he could have subsumed we could have subsumed you could have subsumed they could have subsumed	I could have been subsuming you could have been subsuming he could have been subsuming we could have been subsuming you could have been subsuming they could have been subsuming

Negation

Simple form	V-ing form
I could not subsume you could not subsume he could not subsume we could not subsume you could not subsume they could not subsume	I could not be subsuming you could not be subsuming he could not be subsuming we could not be subsuming you could not be subsuming they could not be subsuming
Perfect	V-ing perfect
I could not have subsumed you could not have subsumed he could not have subsumed we could not have subsumed you could not have subsumed they could not have subsumed	I could not have been subsuming you could not have been subsuming he could not have been subsuming we could not have been subsuming you could not have been subsuming they could not have been subsuming

Interrogative form

Simple form	V-ing form
could I subsume? could you subsume? could he subsume? could we subsume? could you subsume? could they subsume?	could I be subsuming? could you be subsuming? could he be subsuming? could we be subsuming? could you be subsuming? could they be subsuming?
Perfect	V-ing perfect
could I have subsumed? could you have subsumed? could he have subsumed? could we have subsumed? could you have subsumed? could they have subsumed?	could I have been subsuming? could you have been subsuming? could he have been subsuming? could we have been subsuming? could you have been subsuming? could they have been subsuming?

Interro-negative form

Simple form	V-ing form
could I not subsume? could you not subsume? could he not subsume? could we not subsume? could you not subsume? could they not subsume?	could I not be subsuming? could you not be subsuming? could he not be subsuming? could we not be subsuming? could you not be subsuming? could they not be subsuming?
Perfect	V-ing perfect
could I not have subsumed? could you not have subsumed? could he not have subsumed? could we not have subsumed? could you not have subsumed? could they not have subsumed?	could I not have been subsuming? could you not have been subsuming? could he not have been subsuming? could we not have been subsuming? could you not have been subsuming? could they not have been subsuming?