I can track you can track she can track we can track you can track they can track
V-ing form
I can be tracking you can be tracking she can be tracking we can be tracking you can be tracking they can be tracking
Perfect
I can have tracked you can have tracked she can have tracked we can have tracked you can have tracked they can have tracked
V-ing perfect
I can have been tracking you can have been tracking she can have been tracking we can have been tracking you can have been tracking they can have been tracking
Negation
Simple form
I cannot track you cannot track she cannot track we cannot track you cannot track they cannot track
V-ing form
I cannot be tracking you cannot be tracking she cannot be tracking we cannot be tracking you cannot be tracking they cannot be tracking
Perfect
I cannot have tracked you cannot have tracked she cannot have tracked we cannot have tracked you cannot have tracked they cannot have tracked
V-ing perfect
I cannot have been tracking you cannot have been tracking she cannot have been tracking we cannot have been tracking you cannot have been tracking they cannot have been tracking
Interrogative form
Simple form
can I track? can you track? can she track? can we track? can you track? can they track?
V-ing form
can I be tracking? can you be tracking? can she be tracking? can we be tracking? can you be tracking? can they be tracking?
Perfect
can I have tracked? can you have tracked? can she have tracked? can we have tracked? can you have tracked? can they have tracked?
V-ing perfect
can I have been tracking? can you have been tracking? can she have been tracking? can we have been tracking? can you have been tracking? can they have been tracking?
Interro-negative form
Simple form
can I not track? can you not track? can she not track? can we not track? can you not track? can they not track?
V-ing form
can I not be tracking? can you not be tracking? can she not be tracking? can we not be tracking? can you not be tracking? can they not be tracking?
Perfect
can I not have tracked? can you not have tracked? can she not have tracked? can we not have tracked? can you not have tracked? can they not have tracked?
V-ing perfect
can I not have been tracking? can you not have been tracking? can she not have been tracking? can we not have been tracking? can you not have been tracking? can they not have been tracking?