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 can't vent you can't vent she can't vent we can't vent you can't vent they can't vent	I can't be venting you can't be venting she can't be venting we can't be venting you can't be venting they can't be venting
Perfect	V-ing perfect
I can't have vented you can't have vented she can't have vented we can't have vented you can't have vented they can't have vented	I can't have been venting you can't have been venting she can't have been venting we can't have been venting you can't have been venting they can't 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't I vent? can't you vent? can't she vent? can't we vent? can't you vent? can't they vent?	can't I be venting? can't you be venting? can't she be venting? can't we be venting? can't you be venting? can't they be venting?
Perfect	V-ing perfect
can't I have vented? can't you have vented? can't she have vented? can't we have vented? can't you have vented? can't they have vented?	can't I have been venting? can't you have been venting? can't she have been venting? can't we have been venting? can't you have been venting? can't they have been venting?