can respond
Verbo regular: respond - responded- responded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can respond
you can respond
he can respond
we can respond
you can respond
they can respond 	I can be responding
you can be responding
he can be responding
we can be responding
you can be responding
they can be responding	I can have responded
you can have responded
he can have responded
we can have responded
you can have responded
they can have responded	I can have been responding
you can have been responding
he can have been responding
we can have been responding
you can have been responding
they can have been responding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot respond
you cannot respond
he cannot respond
we cannot respond
you cannot respond
they cannot respond 	I cannot be responding
you cannot be responding
he cannot be responding
we cannot be responding
you cannot be responding
they cannot be responding	I cannot have responded
you cannot have responded
he cannot have responded
we cannot have responded
you cannot have responded
they cannot have responded	I cannot have been responding
you cannot have been responding
he cannot have been responding
we cannot have been responding
you cannot have been responding
they cannot have been responding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I respond?
can you respond?
can he respond?
can we respond?
can you respond?
can they respond? 	can I be responding?
can you be responding?
can he be responding?
can we be responding?
can you be responding?
can they be responding? 	can I have responded?
can you have responded?
can he have responded?
can we have responded?
can you have responded?
can they have responded? 	can I have been responding?
can you have been responding?
can he have been responding?
can we have been responding?
can you have been responding?
can they have been responding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not respond?
can you not respond?
can he not respond?
can we not respond?
can you not respond?
can they not respond? 	can I not be responding?
can you not be responding?
can he not be responding?
can we not be responding?
can you not be responding?
can they not be responding? 	can I not have responded?
can you not have responded?
can he not have responded?
can we not have responded?
can you not have responded?
can they not have responded? 	can I not have been responding?
can you not have been responding?
can he not have been responding?
can we not have been responding?
can you not have been responding?
can they not have been responding?