English verb conjugation
COULD VEND

Regular verb: vend - vended - vended

Affirmation

Simple form	V-ing form
I could vend you could vend she could vend we could vend you could vend they could vend	I could be vending you could be vending she could be vending we could be vending you could be vending they could be vending
Perfect	V-ing perfect
I could have vended you could have vended she could have vended we could have vended you could have vended they could have vended	I could have been vending you could have been vending she could have been vending we could have been vending you could have been vending they could have been vending

Negation

Simple form	V-ing form
I could not vend you could not vend she could not vend we could not vend you could not vend they could not vend	I could not be vending you could not be vending she could not be vending we could not be vending you could not be vending they could not be vending
Perfect	V-ing perfect
I could not have vended you could not have vended she could not have vended we could not have vended you could not have vended they could not have vended	I could not have been vending you could not have been vending she could not have been vending we could not have been vending you could not have been vending they could not have been vending

Interrogative form

Simple form	V-ing form
could I vend? could you vend? could she vend? could we vend? could you vend? could they vend?	could I be vending? could you be vending? could she be vending? could we be vending? could you be vending? could they be vending?
Perfect	V-ing perfect
could I have vended? could you have vended? could she have vended? could we have vended? could you have vended? could they have vended?	could I have been vending? could you have been vending? could she have been vending? could we have been vending? could you have been vending? could they have been vending?

Interro-negative form

Simple form	V-ing form
could I not vend? could you not vend? could she not vend? could we not vend? could you not vend? could they not vend?	could I not be vending? could you not be vending? could she not be vending? could we not be vending? could you not be vending? could they not be vending?
Perfect	V-ing perfect
could I not have vended? could you not have vended? could she not have vended? could we not have vended? could you not have vended? could they not have vended?	could I not have been vending? could you not have been vending? could she not have been vending? could we not have been vending? could you not have been vending? could they not have been vending?