can unlearn
Regular verb: unlearn - unlearned- unlearned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can unlearn
you can unlearn
she can unlearn
we can unlearn
you can unlearn
they can unlearn 	I can be unlearning
you can be unlearning
she can be unlearning
we can be unlearning
you can be unlearning
they can be unlearning	I can have unlearned
you can have unlearned
she can have unlearned
we can have unlearned
you can have unlearned
they can have unlearned	I can have been unlearning
you can have been unlearning
she can have been unlearning
we can have been unlearning
you can have been unlearning
they can have been unlearning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unlearn
you can't unlearn
she can't unlearn
we can't unlearn
you can't unlearn
they can't unlearn 	I can't be unlearning
you can't be unlearning
she can't be unlearning
we can't be unlearning
you can't be unlearning
they can't be unlearning	I can't have unlearned
you can't have unlearned
she can't have unlearned
we can't have unlearned
you can't have unlearned
they can't have unlearned	I can't have been unlearning
you can't have been unlearning
she can't have been unlearning
we can't have been unlearning
you can't have been unlearning
they can't have been unlearning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I unlearn?
can you unlearn?
can she unlearn?
can we unlearn?
can you unlearn?
can they unlearn? 	can I be unlearning?
can you be unlearning?
can she be unlearning?
can we be unlearning?
can you be unlearning?
can they be unlearning? 	can I have unlearned?
can you have unlearned?
can she have unlearned?
can we have unlearned?
can you have unlearned?
can they have unlearned? 	can I have been unlearning?
can you have been unlearning?
can she have been unlearning?
can we have been unlearning?
can you have been unlearning?
can they have been unlearning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unlearn?
can't you unlearn?
can't she unlearn?
can't we unlearn?
can't you unlearn?
can't they unlearn? 	can't I be unlearning?
can't you be unlearning?
can't she be unlearning?
can't we be unlearning?
can't you be unlearning?
can't they be unlearning? 	can't I have unlearned?
can't you have unlearned?
can't she have unlearned?
can't we have unlearned?
can't you have unlearned?
can't they have unlearned? 	can't I have been unlearning?
can't you have been unlearning?
can't she have been unlearning?
can't we have been unlearning?
can't you have been unlearning?
can't they have been unlearning?