can speak
Verbo irregular: speak - spoke- spoken, spoke

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can speak
you can speak
she can speak
we can speak
you can speak
they can speak 	I can be speaking
you can be speaking
she can be speaking
we can be speaking
you can be speaking
they can be speaking	I can have spoken, spoke
you can have spoken, spoke
she can have spoken, spoke
we can have spoken, spoke
you can have spoken, spoke
they can have spoken, spoke	I can have been speaking
you can have been speaking
she can have been speaking
we can have been speaking
you can have been speaking
they can have been speaking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot speak
you cannot speak
she cannot speak
we cannot speak
you cannot speak
they cannot speak 	I cannot be speaking
you cannot be speaking
she cannot be speaking
we cannot be speaking
you cannot be speaking
they cannot be speaking	I cannot have spoken, spoke
you cannot have spoken, spoke
she cannot have spoken, spoke
we cannot have spoken, spoke
you cannot have spoken, spoke
they cannot have spoken, spoke	I cannot have been speaking
you cannot have been speaking
she cannot have been speaking
we cannot have been speaking
you cannot have been speaking
they cannot have been speaking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I speak?
can you speak?
can she speak?
can we speak?
can you speak?
can they speak? 	can I be speaking?
can you be speaking?
can she be speaking?
can we be speaking?
can you be speaking?
can they be speaking? 	can I have spoken, spoke?
can you have spoken, spoke?
can she have spoken, spoke?
can we have spoken, spoke?
can you have spoken, spoke?
can they have spoken, spoke? 	can I have been speaking?
can you have been speaking?
can she have been speaking?
can we have been speaking?
can you have been speaking?
can they have been speaking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not speak?
can you not speak?
can she not speak?
can we not speak?
can you not speak?
can they not speak? 	can I not be speaking?
can you not be speaking?
can she not be speaking?
can we not be speaking?
can you not be speaking?
can they not be speaking? 	can I not have spoken, spoke?
can you not have spoken, spoke?
can she not have spoken, spoke?
can we not have spoken, spoke?
can you not have spoken, spoke?
can they not have spoken, spoke? 	can I not have been speaking?
can you not have been speaking?
can she not have been speaking?
can we not have been speaking?
can you not have been speaking?
can they not have been speaking?