I can relearn you can relearn he can relearn we can relearn you can relearn they can relearn
V-ing form
I can be relearning you can be relearning he can be relearning we can be relearning you can be relearning they can be relearning
Perfect
I can have relearned you can have relearned he can have relearned we can have relearned you can have relearned they can have relearned
V-ing perfect
I can have been relearning you can have been relearning he can have been relearning we can have been relearning you can have been relearning they can have been relearning
Negation
Simple form
I cannot relearn you cannot relearn he cannot relearn we cannot relearn you cannot relearn they cannot relearn
V-ing form
I cannot be relearning you cannot be relearning he cannot be relearning we cannot be relearning you cannot be relearning they cannot be relearning
Perfect
I cannot have relearned you cannot have relearned he cannot have relearned we cannot have relearned you cannot have relearned they cannot have relearned
V-ing perfect
I cannot have been relearning you cannot have been relearning he cannot have been relearning we cannot have been relearning you cannot have been relearning they cannot have been relearning
Interrogative form
Simple form
can I relearn? can you relearn? can he relearn? can we relearn? can you relearn? can they relearn?
V-ing form
can I be relearning? can you be relearning? can he be relearning? can we be relearning? can you be relearning? can they be relearning?
Perfect
can I have relearned? can you have relearned? can he have relearned? can we have relearned? can you have relearned? can they have relearned?
V-ing perfect
can I have been relearning? can you have been relearning? can he have been relearning? can we have been relearning? can you have been relearning? can they have been relearning?
Interro-negative form
Simple form
can I not relearn? can you not relearn? can he not relearn? can we not relearn? can you not relearn? can they not relearn?
V-ing form
can I not be relearning? can you not be relearning? can he not be relearning? can we not be relearning? can you not be relearning? can they not be relearning?
Perfect
can I not have relearned? can you not have relearned? can he not have relearned? can we not have relearned? can you not have relearned? can they not have relearned?
V-ing perfect
can I not have been relearning? can you not have been relearning? can he not have been relearning? can we not have been relearning? can you not have been relearning? can they not have been relearning?