can hibernate
Regular verb: hibernate - hibernated- hibernated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can hibernate
you can hibernate
he can hibernate
we can hibernate
you can hibernate
they can hibernate 	I can be hibernating
you can be hibernating
he can be hibernating
we can be hibernating
you can be hibernating
they can be hibernating	I can have hibernated
you can have hibernated
he can have hibernated
we can have hibernated
you can have hibernated
they can have hibernated	I can have been hibernating
you can have been hibernating
he can have been hibernating
we can have been hibernating
you can have been hibernating
they can have been hibernating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot hibernate
you cannot hibernate
he cannot hibernate
we cannot hibernate
you cannot hibernate
they cannot hibernate 	I cannot be hibernating
you cannot be hibernating
he cannot be hibernating
we cannot be hibernating
you cannot be hibernating
they cannot be hibernating	I cannot have hibernated
you cannot have hibernated
he cannot have hibernated
we cannot have hibernated
you cannot have hibernated
they cannot have hibernated	I cannot have been hibernating
you cannot have been hibernating
he cannot have been hibernating
we cannot have been hibernating
you cannot have been hibernating
they cannot have been hibernating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I hibernate?
can you hibernate?
can he hibernate?
can we hibernate?
can you hibernate?
can they hibernate? 	can I be hibernating?
can you be hibernating?
can he be hibernating?
can we be hibernating?
can you be hibernating?
can they be hibernating? 	can I have hibernated?
can you have hibernated?
can he have hibernated?
can we have hibernated?
can you have hibernated?
can they have hibernated? 	can I have been hibernating?
can you have been hibernating?
can he have been hibernating?
can we have been hibernating?
can you have been hibernating?
can they have been hibernating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not hibernate?
can you not hibernate?
can he not hibernate?
can we not hibernate?
can you not hibernate?
can they not hibernate? 	can I not be hibernating?
can you not be hibernating?
can he not be hibernating?
can we not be hibernating?
can you not be hibernating?
can they not be hibernating? 	can I not have hibernated?
can you not have hibernated?
can he not have hibernated?
can we not have hibernated?
can you not have hibernated?
can they not have hibernated? 	can I not have been hibernating?
can you not have been hibernating?
can he not have been hibernating?
can we not have been hibernating?
can you not have been hibernating?
can they not have been hibernating?