can parbuckle
Regular verb: parbuckle - parbuckled- parbuckled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can parbuckle
you can parbuckle
he can parbuckle
we can parbuckle
you can parbuckle
they can parbuckle 	I can be parbuckling
you can be parbuckling
he can be parbuckling
we can be parbuckling
you can be parbuckling
they can be parbuckling	I can have parbuckled
you can have parbuckled
he can have parbuckled
we can have parbuckled
you can have parbuckled
they can have parbuckled	I can have been parbuckling
you can have been parbuckling
he can have been parbuckling
we can have been parbuckling
you can have been parbuckling
they can have been parbuckling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't parbuckle
you can't parbuckle
he can't parbuckle
we can't parbuckle
you can't parbuckle
they can't parbuckle 	I can't be parbuckling
you can't be parbuckling
he can't be parbuckling
we can't be parbuckling
you can't be parbuckling
they can't be parbuckling	I can't have parbuckled
you can't have parbuckled
he can't have parbuckled
we can't have parbuckled
you can't have parbuckled
they can't have parbuckled	I can't have been parbuckling
you can't have been parbuckling
he can't have been parbuckling
we can't have been parbuckling
you can't have been parbuckling
they can't have been parbuckling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I parbuckle?
can you parbuckle?
can he parbuckle?
can we parbuckle?
can you parbuckle?
can they parbuckle? 	can I be parbuckling?
can you be parbuckling?
can he be parbuckling?
can we be parbuckling?
can you be parbuckling?
can they be parbuckling? 	can I have parbuckled?
can you have parbuckled?
can he have parbuckled?
can we have parbuckled?
can you have parbuckled?
can they have parbuckled? 	can I have been parbuckling?
can you have been parbuckling?
can he have been parbuckling?
can we have been parbuckling?
can you have been parbuckling?
can they have been parbuckling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I parbuckle?
can't you parbuckle?
can't he parbuckle?
can't we parbuckle?
can't you parbuckle?
can't they parbuckle? 	can't I be parbuckling?
can't you be parbuckling?
can't he be parbuckling?
can't we be parbuckling?
can't you be parbuckling?
can't they be parbuckling? 	can't I have parbuckled?
can't you have parbuckled?
can't he have parbuckled?
can't we have parbuckled?
can't you have parbuckled?
can't they have parbuckled? 	can't I have been parbuckling?
can't you have been parbuckling?
can't he have been parbuckling?
can't we have been parbuckling?
can't you have been parbuckling?
can't they have been parbuckling?