English verb conjugation
COULD UNLEARN

Regular verb: unlearn - unlearned - unlearned

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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