could unlink
Regular verb: unlink - unlinked- unlinked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could unlink
you could unlink
he could unlink
we could unlink
you could unlink
they could unlink 	I could be unlinking
you could be unlinking
he could be unlinking
we could be unlinking
you could be unlinking
they could be unlinking	I could have unlinked
you could have unlinked
he could have unlinked
we could have unlinked
you could have unlinked
they could have unlinked	I could have been unlinking
you could have been unlinking
he could have been unlinking
we could have been unlinking
you could have been unlinking
they could have been unlinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not unlink
you could not unlink
he could not unlink
we could not unlink
you could not unlink
they could not unlink 	I could not be unlinking
you could not be unlinking
he could not be unlinking
we could not be unlinking
you could not be unlinking
they could not be unlinking	I could not have unlinked
you could not have unlinked
he could not have unlinked
we could not have unlinked
you could not have unlinked
they could not have unlinked	I could not have been unlinking
you could not have been unlinking
he could not have been unlinking
we could not have been unlinking
you could not have been unlinking
they could not have been unlinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I unlink?
could you unlink?
could he unlink?
could we unlink?
could you unlink?
could they unlink? 	could I be unlinking?
could you be unlinking?
could he be unlinking?
could we be unlinking?
could you be unlinking?
could they be unlinking? 	could I have unlinked?
could you have unlinked?
could he have unlinked?
could we have unlinked?
could you have unlinked?
could they have unlinked? 	could I have been unlinking?
could you have been unlinking?
could he have been unlinking?
could we have been unlinking?
could you have been unlinking?
could they have been unlinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not unlink?
could you not unlink?
could he not unlink?
could we not unlink?
could you not unlink?
could they not unlink? 	could I not be unlinking?
could you not be unlinking?
could he not be unlinking?
could we not be unlinking?
could you not be unlinking?
could they not be unlinking? 	could I not have unlinked?
could you not have unlinked?
could he not have unlinked?
could we not have unlinked?
could you not have unlinked?
could they not have unlinked? 	could I not have been unlinking?
could you not have been unlinking?
could he not have been unlinking?
could we not have been unlinking?
could you not have been unlinking?
could they not have been unlinking?