English verb conjugation
CAN VEND

Regular verb: vend - vended - vended

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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