I can mistake you can mistake she can mistake we can mistake you can mistake they can mistake
V-ing form
I can be mistaking you can be mistaking she can be mistaking we can be mistaking you can be mistaking they can be mistaking
Perfect
I can have mistaken you can have mistaken she can have mistaken we can have mistaken you can have mistaken they can have mistaken
V-ing perfect
I can have been mistaking you can have been mistaking she can have been mistaking we can have been mistaking you can have been mistaking they can have been mistaking
Negation
Simple form
I cannot mistake you cannot mistake she cannot mistake we cannot mistake you cannot mistake they cannot mistake
V-ing form
I cannot be mistaking you cannot be mistaking she cannot be mistaking we cannot be mistaking you cannot be mistaking they cannot be mistaking
Perfect
I cannot have mistaken you cannot have mistaken she cannot have mistaken we cannot have mistaken you cannot have mistaken they cannot have mistaken
V-ing perfect
I cannot have been mistaking you cannot have been mistaking she cannot have been mistaking we cannot have been mistaking you cannot have been mistaking they cannot have been mistaking
Interrogative form
Simple form
can I mistake? can you mistake? can she mistake? can we mistake? can you mistake? can they mistake?
V-ing form
can I be mistaking? can you be mistaking? can she be mistaking? can we be mistaking? can you be mistaking? can they be mistaking?
Perfect
can I have mistaken? can you have mistaken? can she have mistaken? can we have mistaken? can you have mistaken? can they have mistaken?
V-ing perfect
can I have been mistaking? can you have been mistaking? can she have been mistaking? can we have been mistaking? can you have been mistaking? can they have been mistaking?
Interro-negative form
Simple form
can I not mistake? can you not mistake? can she not mistake? can we not mistake? can you not mistake? can they not mistake?
V-ing form
can I not be mistaking? can you not be mistaking? can she not be mistaking? can we not be mistaking? can you not be mistaking? can they not be mistaking?
Perfect
can I not have mistaken? can you not have mistaken? can she not have mistaken? can we not have mistaken? can you not have mistaken? can they not have mistaken?
V-ing perfect
can I not have been mistaking? can you not have been mistaking? can she not have been mistaking? can we not have been mistaking? can you not have been mistaking? can they not have been mistaking?