can stalk
Verbo regular: stalk - stalked- stalked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can stalk
you can stalk
he can stalk
we can stalk
you can stalk
they can stalk 	I can be stalking
you can be stalking
he can be stalking
we can be stalking
you can be stalking
they can be stalking	I can have stalked
you can have stalked
he can have stalked
we can have stalked
you can have stalked
they can have stalked	I can have been stalking
you can have been stalking
he can have been stalking
we can have been stalking
you can have been stalking
they can have been stalking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot stalk
you cannot stalk
he cannot stalk
we cannot stalk
you cannot stalk
they cannot stalk 	I cannot be stalking
you cannot be stalking
he cannot be stalking
we cannot be stalking
you cannot be stalking
they cannot be stalking	I cannot have stalked
you cannot have stalked
he cannot have stalked
we cannot have stalked
you cannot have stalked
they cannot have stalked	I cannot have been stalking
you cannot have been stalking
he cannot have been stalking
we cannot have been stalking
you cannot have been stalking
they cannot have been stalking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I stalk?
can you stalk?
can he stalk?
can we stalk?
can you stalk?
can they stalk? 	can I be stalking?
can you be stalking?
can he be stalking?
can we be stalking?
can you be stalking?
can they be stalking? 	can I have stalked?
can you have stalked?
can he have stalked?
can we have stalked?
can you have stalked?
can they have stalked? 	can I have been stalking?
can you have been stalking?
can he have been stalking?
can we have been stalking?
can you have been stalking?
can they have been stalking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not stalk?
can you not stalk?
can he not stalk?
can we not stalk?
can you not stalk?
can they not stalk? 	can I not be stalking?
can you not be stalking?
can he not be stalking?
can we not be stalking?
can you not be stalking?
can they not be stalking? 	can I not have stalked?
can you not have stalked?
can he not have stalked?
can we not have stalked?
can you not have stalked?
can they not have stalked? 	can I not have been stalking?
can you not have been stalking?
can he not have been stalking?
can we not have been stalking?
can you not have been stalking?
can they not have been stalking?