I can retake you can retake he can retake we can retake you can retake they can retake
V-ing form
I can be retaking you can be retaking he can be retaking we can be retaking you can be retaking they can be retaking
Perfect
I can have retaken you can have retaken he can have retaken we can have retaken you can have retaken they can have retaken
V-ing perfect
I can have been retaking you can have been retaking he can have been retaking we can have been retaking you can have been retaking they can have been retaking
Negation
Simple form
I can't retake you can't retake he can't retake we can't retake you can't retake they can't retake
V-ing form
I can't be retaking you can't be retaking he can't be retaking we can't be retaking you can't be retaking they can't be retaking
Perfect
I can't have retaken you can't have retaken he can't have retaken we can't have retaken you can't have retaken they can't have retaken
V-ing perfect
I can't have been retaking you can't have been retaking he can't have been retaking we can't have been retaking you can't have been retaking they can't have been retaking
Interrogative form
Simple form
can I retake? can you retake? can he retake? can we retake? can you retake? can they retake?
V-ing form
can I be retaking? can you be retaking? can he be retaking? can we be retaking? can you be retaking? can they be retaking?
Perfect
can I have retaken? can you have retaken? can he have retaken? can we have retaken? can you have retaken? can they have retaken?
V-ing perfect
can I have been retaking? can you have been retaking? can he have been retaking? can we have been retaking? can you have been retaking? can they have been retaking?
Interro-negative form
Simple form
can't I retake? can't you retake? can't he retake? can't we retake? can't you retake? can't they retake?
V-ing form
can't I be retaking? can't you be retaking? can't he be retaking? can't we be retaking? can't you be retaking? can't they be retaking?
Perfect
can't I have retaken? can't you have retaken? can't he have retaken? can't we have retaken? can't you have retaken? can't they have retaken?
V-ing perfect
can't I have been retaking? can't you have been retaking? can't he have been retaking? can't we have been retaking? can't you have been retaking? can't they have been retaking?