can itch
Verbo regular: itch - itched- itched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can itch
you can itch
he can itch
we can itch
you can itch
they can itch 	I can be itching
you can be itching
he can be itching
we can be itching
you can be itching
they can be itching	I can have itched
you can have itched
he can have itched
we can have itched
you can have itched
they can have itched	I can have been itching
you can have been itching
he can have been itching
we can have been itching
you can have been itching
they can have been itching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot itch
you cannot itch
he cannot itch
we cannot itch
you cannot itch
they cannot itch 	I cannot be itching
you cannot be itching
he cannot be itching
we cannot be itching
you cannot be itching
they cannot be itching	I cannot have itched
you cannot have itched
he cannot have itched
we cannot have itched
you cannot have itched
they cannot have itched	I cannot have been itching
you cannot have been itching
he cannot have been itching
we cannot have been itching
you cannot have been itching
they cannot have been itching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I itch?
can you itch?
can he itch?
can we itch?
can you itch?
can they itch? 	can I be itching?
can you be itching?
can he be itching?
can we be itching?
can you be itching?
can they be itching? 	can I have itched?
can you have itched?
can he have itched?
can we have itched?
can you have itched?
can they have itched? 	can I have been itching?
can you have been itching?
can he have been itching?
can we have been itching?
can you have been itching?
can they have been itching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not itch?
can you not itch?
can he not itch?
can we not itch?
can you not itch?
can they not itch? 	can I not be itching?
can you not be itching?
can he not be itching?
can we not be itching?
can you not be itching?
can they not be itching? 	can I not have itched?
can you not have itched?
can he not have itched?
can we not have itched?
can you not have itched?
can they not have itched? 	can I not have been itching?
can you not have been itching?
can he not have been itching?
can we not have been itching?
can you not have been itching?
can they not have been itching?