could ladder
Verbo regular: ladder - laddered- laddered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could ladder
you could ladder
he could ladder
we could ladder
you could ladder
they could ladder 	I could be laddering
you could be laddering
he could be laddering
we could be laddering
you could be laddering
they could be laddering	I could have laddered
you could have laddered
he could have laddered
we could have laddered
you could have laddered
they could have laddered	I could have been laddering
you could have been laddering
he could have been laddering
we could have been laddering
you could have been laddering
they could have been laddering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not ladder
you could not ladder
he could not ladder
we could not ladder
you could not ladder
they could not ladder 	I could not be laddering
you could not be laddering
he could not be laddering
we could not be laddering
you could not be laddering
they could not be laddering	I could not have laddered
you could not have laddered
he could not have laddered
we could not have laddered
you could not have laddered
they could not have laddered	I could not have been laddering
you could not have been laddering
he could not have been laddering
we could not have been laddering
you could not have been laddering
they could not have been laddering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I ladder?
could you ladder?
could he ladder?
could we ladder?
could you ladder?
could they ladder? 	could I be laddering?
could you be laddering?
could he be laddering?
could we be laddering?
could you be laddering?
could they be laddering? 	could I have laddered?
could you have laddered?
could he have laddered?
could we have laddered?
could you have laddered?
could they have laddered? 	could I have been laddering?
could you have been laddering?
could he have been laddering?
could we have been laddering?
could you have been laddering?
could they have been laddering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not ladder?
could you not ladder?
could he not ladder?
could we not ladder?
could you not ladder?
could they not ladder? 	could I not be laddering?
could you not be laddering?
could he not be laddering?
could we not be laddering?
could you not be laddering?
could they not be laddering? 	could I not have laddered?
could you not have laddered?
could he not have laddered?
could we not have laddered?
could you not have laddered?
could they not have laddered? 	could I not have been laddering?
could you not have been laddering?
could he not have been laddering?
could we not have been laddering?
could you not have been laddering?
could they not have been laddering?