could speak
Verbo irregolare: speak - spoke- spoken, spoke

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could speak
you could speak
he could speak
we could speak
you could speak
they could speak 	I could be speaking
you could be speaking
he could be speaking
we could be speaking
you could be speaking
they could be speaking	I could have spoken, spoke
you could have spoken, spoke
he could have spoken, spoke
we could have spoken, spoke
you could have spoken, spoke
they could have spoken, spoke	I could have been speaking
you could have been speaking
he could have been speaking
we could have been speaking
you could have been speaking
they could have been speaking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not speak
you could not speak
he could not speak
we could not speak
you could not speak
they could not speak 	I could not be speaking
you could not be speaking
he could not be speaking
we could not be speaking
you could not be speaking
they could not be speaking	I could not have spoken, spoke
you could not have spoken, spoke
he could not have spoken, spoke
we could not have spoken, spoke
you could not have spoken, spoke
they could not have spoken, spoke	I could not have been speaking
you could not have been speaking
he could not have been speaking
we could not have been speaking
you could not have been speaking
they could not have been speaking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I speak?
could you speak?
could he speak?
could we speak?
could you speak?
could they speak? 	could I be speaking?
could you be speaking?
could he be speaking?
could we be speaking?
could you be speaking?
could they be speaking? 	could I have spoken, spoke?
could you have spoken, spoke?
could he have spoken, spoke?
could we have spoken, spoke?
could you have spoken, spoke?
could they have spoken, spoke? 	could I have been speaking?
could you have been speaking?
could he have been speaking?
could we have been speaking?
could you have been speaking?
could they have been speaking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not speak?
could you not speak?
could he not speak?
could we not speak?
could you not speak?
could they not speak? 	could I not be speaking?
could you not be speaking?
could he not be speaking?
could we not be speaking?
could you not be speaking?
could they not be speaking? 	could I not have spoken, spoke?
could you not have spoken, spoke?
could he not have spoken, spoke?
could we not have spoken, spoke?
could you not have spoken, spoke?
could they not have spoken, spoke? 	could I not have been speaking?
could you not have been speaking?
could he not have been speaking?
could we not have been speaking?
could you not have been speaking?
could they not have been speaking?