can wolf
Verbo regular: wolf - wolfed- wolfed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can wolf
you can wolf
he can wolf
we can wolf
you can wolf
they can wolf 	I can be wolfing
you can be wolfing
he can be wolfing
we can be wolfing
you can be wolfing
they can be wolfing	I can have wolfed
you can have wolfed
he can have wolfed
we can have wolfed
you can have wolfed
they can have wolfed	I can have been wolfing
you can have been wolfing
he can have been wolfing
we can have been wolfing
you can have been wolfing
they can have been wolfing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot wolf
you cannot wolf
he cannot wolf
we cannot wolf
you cannot wolf
they cannot wolf 	I cannot be wolfing
you cannot be wolfing
he cannot be wolfing
we cannot be wolfing
you cannot be wolfing
they cannot be wolfing	I cannot have wolfed
you cannot have wolfed
he cannot have wolfed
we cannot have wolfed
you cannot have wolfed
they cannot have wolfed	I cannot have been wolfing
you cannot have been wolfing
he cannot have been wolfing
we cannot have been wolfing
you cannot have been wolfing
they cannot have been wolfing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I wolf?
can you wolf?
can he wolf?
can we wolf?
can you wolf?
can they wolf? 	can I be wolfing?
can you be wolfing?
can he be wolfing?
can we be wolfing?
can you be wolfing?
can they be wolfing? 	can I have wolfed?
can you have wolfed?
can he have wolfed?
can we have wolfed?
can you have wolfed?
can they have wolfed? 	can I have been wolfing?
can you have been wolfing?
can he have been wolfing?
can we have been wolfing?
can you have been wolfing?
can they have been wolfing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not wolf?
can you not wolf?
can he not wolf?
can we not wolf?
can you not wolf?
can they not wolf? 	can I not be wolfing?
can you not be wolfing?
can he not be wolfing?
can we not be wolfing?
can you not be wolfing?
can they not be wolfing? 	can I not have wolfed?
can you not have wolfed?
can he not have wolfed?
can we not have wolfed?
can you not have wolfed?
can they not have wolfed? 	can I not have been wolfing?
can you not have been wolfing?
can he not have been wolfing?
can we not have been wolfing?
can you not have been wolfing?
can they not have been wolfing?