English verb conjugation
CAN VENT

Regular verb: vent - vented - vented

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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