can cork
Regular verb: cork - corked- corked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cork
you can cork
he can cork
we can cork
you can cork
they can cork 	I can be corking
you can be corking
he can be corking
we can be corking
you can be corking
they can be corking	I can have corked
you can have corked
he can have corked
we can have corked
you can have corked
they can have corked	I can have been corking
you can have been corking
he can have been corking
we can have been corking
you can have been corking
they can have been corking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cork
you can't cork
he can't cork
we can't cork
you can't cork
they can't cork 	I can't be corking
you can't be corking
he can't be corking
we can't be corking
you can't be corking
they can't be corking	I can't have corked
you can't have corked
he can't have corked
we can't have corked
you can't have corked
they can't have corked	I can't have been corking
you can't have been corking
he can't have been corking
we can't have been corking
you can't have been corking
they can't have been corking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cork?
can you cork?
can he cork?
can we cork?
can you cork?
can they cork? 	can I be corking?
can you be corking?
can he be corking?
can we be corking?
can you be corking?
can they be corking? 	can I have corked?
can you have corked?
can he have corked?
can we have corked?
can you have corked?
can they have corked? 	can I have been corking?
can you have been corking?
can he have been corking?
can we have been corking?
can you have been corking?
can they have been corking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cork?
can't you cork?
can't he cork?
can't we cork?
can't you cork?
can't they cork? 	can't I be corking?
can't you be corking?
can't he be corking?
can't we be corking?
can't you be corking?
can't they be corking? 	can't I have corked?
can't you have corked?
can't he have corked?
can't we have corked?
can't you have corked?
can't they have corked? 	can't I have been corking?
can't you have been corking?
can't he have been corking?
can't we have been corking?
can't you have been corking?
can't they have been corking?