could respond
Verbo regolare: respond - responded- responded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could respond
you could respond
he could respond
we could respond
you could respond
they could respond 	I could be responding
you could be responding
he could be responding
we could be responding
you could be responding
they could be responding	I could have responded
you could have responded
he could have responded
we could have responded
you could have responded
they could have responded	I could have been responding
you could have been responding
he could have been responding
we could have been responding
you could have been responding
they could have been responding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't respond
you couldn't respond
he couldn't respond
we couldn't respond
you couldn't respond
they couldn't respond 	I couldn't be responding
you couldn't be responding
he couldn't be responding
we couldn't be responding
you couldn't be responding
they couldn't be responding	I couldn't have responded
you couldn't have responded
he couldn't have responded
we couldn't have responded
you couldn't have responded
they couldn't have responded	I couldn't have been responding
you couldn't have been responding
he couldn't have been responding
we couldn't have been responding
you couldn't have been responding
they couldn't have been responding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I respond?
could you respond?
could he respond?
could we respond?
could you respond?
could they respond? 	could I be responding?
could you be responding?
could he be responding?
could we be responding?
could you be responding?
could they be responding? 	could I have responded?
could you have responded?
could he have responded?
could we have responded?
could you have responded?
could they have responded? 	could I have been responding?
could you have been responding?
could he have been responding?
could we have been responding?
could you have been responding?
could they have been responding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I respond?
couldn't you respond?
couldn't he respond?
couldn't we respond?
couldn't you respond?
couldn't they respond? 	couldn't I be responding?
couldn't you be responding?
couldn't he be responding?
couldn't we be responding?
couldn't you be responding?
couldn't they be responding? 	couldn't I have responded?
couldn't you have responded?
couldn't he have responded?
couldn't we have responded?
couldn't you have responded?
couldn't they have responded? 	couldn't I have been responding?
couldn't you have been responding?
couldn't he have been responding?
couldn't we have been responding?
couldn't you have been responding?
couldn't they have been responding?