can track
Verbo regular: track - tracked- tracked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can track
you can track
he can track
we can track
you can track
they can track 	I can be tracking
you can be tracking
he can be tracking
we can be tracking
you can be tracking
they can be tracking	I can have tracked
you can have tracked
he can have tracked
we can have tracked
you can have tracked
they can have tracked	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot track
you cannot track
he cannot track
we cannot track
you cannot track
they cannot track 	I cannot be tracking
you cannot be tracking
he cannot be tracking
we cannot be tracking
you cannot be tracking
they cannot be tracking	I cannot have tracked
you cannot have tracked
he cannot have tracked
we cannot have tracked
you cannot have tracked
they cannot have tracked	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I track?
can you track?
can he track?
can we track?
can you track?
can they track? 	can I be tracking?
can you be tracking?
can he be tracking?
can we be tracking?
can you be tracking?
can they be tracking? 	can I have tracked?
can you have tracked?
can he have tracked?
can we have tracked?
can you have tracked?
can they have tracked? 	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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not track?
can you not track?
can he not track?
can we not track?
can you not track?
can they not track? 	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? 	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? 	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?