can vent
Regular verb: vent - vented- vented

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?