English verb conjugation
COULD VENT

Regular verb: vent - vented - vented

Affirmation

Simple form	V-ing form
I could vent you could vent she could vent we could vent you could vent they could vent	I could be venting you could be venting she could be venting we could be venting you could be venting they could be venting
Perfect	V-ing perfect
I could have vented you could have vented she could have vented we could have vented you could have vented they could have vented	I could have been venting you could have been venting she could have been venting we could have been venting you could have been venting they could have been venting

Negation

Simple form	V-ing form
I could not vent you could not vent she could not vent we could not vent you could not vent they could not vent	I could not be venting you could not be venting she could not be venting we could not be venting you could not be venting they could not be venting
Perfect	V-ing perfect
I could not have vented you could not have vented she could not have vented we could not have vented you could not have vented they could not have vented	I could not have been venting you could not have been venting she could not have been venting we could not have been venting you could not have been venting they could not have been venting

Interrogative form

Simple form	V-ing form
could I vent? could you vent? could she vent? could we vent? could you vent? could they vent?	could I be venting? could you be venting? could she be venting? could we be venting? could you be venting? could they be venting?
Perfect	V-ing perfect
could I have vented? could you have vented? could she have vented? could we have vented? could you have vented? could they have vented?	could I have been venting? could you have been venting? could she have been venting? could we have been venting? could you have been venting? could they have been venting?

Interro-negative form

Simple form	V-ing form
could I not vent? could you not vent? could she not vent? could we not vent? could you not vent? could they not vent?	could I not be venting? could you not be venting? could she not be venting? could we not be venting? could you not be venting? could they not be venting?
Perfect	V-ing perfect
could I not have vented? could you not have vented? could she not have vented? could we not have vented? could you not have vented? could they not have vented?	could I not have been venting? could you not have been venting? could she not have been venting? could we not have been venting? could you not have been venting? could they not have been venting?