I can track you can track he can track we can track you can track they can track
Forma con V-ing
I can be tracking you can be tracking he can be tracking we can be tracking you can be tracking they can be tracking
Perfecto
I can have tracked you can have tracked he can have tracked we can have tracked you can have tracked they can have tracked
Perfecto con V-ing
I can have been tracking you can have been tracking he can have been tracking we can have been tracking you can have been tracking they can have been tracking
Negación
Forma simple
I cannot track you cannot track he cannot track we cannot track you cannot track they cannot track
Forma con V-ing
I cannot be tracking you cannot be tracking he cannot be tracking we cannot be tracking you cannot be tracking they cannot be tracking
Perfecto
I cannot have tracked you cannot have tracked he cannot have tracked we cannot have tracked you cannot have tracked they cannot have tracked
Perfecto con V-ing
I cannot have been tracking you cannot have been tracking he cannot have been tracking we cannot have been tracking you cannot have been tracking they cannot have been tracking
Forma interrogativa
Forma simple
can I track? can you track? can he track? can we track? can you track? can they track?
Forma con V-ing
can I be tracking? can you be tracking? can he be tracking? can we be tracking? can you be tracking? can they be tracking?
Perfecto
can I have tracked? can you have tracked? can he have tracked? can we have tracked? can you have tracked? can they have tracked?
Perfecto con V-ing
can I have been tracking? can you have been tracking? can he have been tracking? can we have been tracking? can you have been tracking? can they have been tracking?
Forma interro-negativa
Forma simple
can I not track? can you not track? can he not track? can we not track? can you not track? can they not track?
Forma con V-ing
can I not be tracking? can you not be tracking? can he not be tracking? can we not be tracking? can you not be tracking? can they not be tracking?
Perfecto
can I not have tracked? can you not have tracked? can he not have tracked? can we not have tracked? can you not have tracked? can they not have tracked?
Perfecto con V-ing
can I not have been tracking? can you not have been tracking? can he not have been tracking? can we not have been tracking? can you not have been tracking? can they not have been tracking?