English verb conjugation
COULD UNDERSUPPLY

Regular verb: undersupply - undersupplied - undersupplied

Affirmation

Simple form	V-ing form
I could undersupply you could undersupply he could undersupply we could undersupply you could undersupply they could undersupply	I could be undersupplying you could be undersupplying he could be undersupplying we could be undersupplying you could be undersupplying they could be undersupplying
Perfect	V-ing perfect
I could have undersupplied you could have undersupplied he could have undersupplied we could have undersupplied you could have undersupplied they could have undersupplied	I could have been undersupplying you could have been undersupplying he could have been undersupplying we could have been undersupplying you could have been undersupplying they could have been undersupplying

Negation

Simple form	V-ing form
I could not undersupply you could not undersupply he could not undersupply we could not undersupply you could not undersupply they could not undersupply	I could not be undersupplying you could not be undersupplying he could not be undersupplying we could not be undersupplying you could not be undersupplying they could not be undersupplying
Perfect	V-ing perfect
I could not have undersupplied you could not have undersupplied he could not have undersupplied we could not have undersupplied you could not have undersupplied they could not have undersupplied	I could not have been undersupplying you could not have been undersupplying he could not have been undersupplying we could not have been undersupplying you could not have been undersupplying they could not have been undersupplying

Interrogative form

Simple form	V-ing form
could I undersupply? could you undersupply? could he undersupply? could we undersupply? could you undersupply? could they undersupply?	could I be undersupplying? could you be undersupplying? could he be undersupplying? could we be undersupplying? could you be undersupplying? could they be undersupplying?
Perfect	V-ing perfect
could I have undersupplied? could you have undersupplied? could he have undersupplied? could we have undersupplied? could you have undersupplied? could they have undersupplied?	could I have been undersupplying? could you have been undersupplying? could he have been undersupplying? could we have been undersupplying? could you have been undersupplying? could they have been undersupplying?

Interro-negative form

Simple form	V-ing form
could I not undersupply? could you not undersupply? could he not undersupply? could we not undersupply? could you not undersupply? could they not undersupply?	could I not be undersupplying? could you not be undersupplying? could he not be undersupplying? could we not be undersupplying? could you not be undersupplying? could they not be undersupplying?
Perfect	V-ing perfect
could I not have undersupplied? could you not have undersupplied? could he not have undersupplied? could we not have undersupplied? could you not have undersupplied? could they not have undersupplied?	could I not have been undersupplying? could you not have been undersupplying? could he not have been undersupplying? could we not have been undersupplying? could you not have been undersupplying? could they not have been undersupplying?