could reform
Verbo regular: reform - reformed- reformed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could reform
you could reform
he could reform
we could reform
you could reform
they could reform 	I could be reforming
you could be reforming
he could be reforming
we could be reforming
you could be reforming
they could be reforming	I could have reformed
you could have reformed
he could have reformed
we could have reformed
you could have reformed
they could have reformed	I could have been reforming
you could have been reforming
he could have been reforming
we could have been reforming
you could have been reforming
they could have been reforming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not reform
you could not reform
he could not reform
we could not reform
you could not reform
they could not reform 	I could not be reforming
you could not be reforming
he could not be reforming
we could not be reforming
you could not be reforming
they could not be reforming	I could not have reformed
you could not have reformed
he could not have reformed
we could not have reformed
you could not have reformed
they could not have reformed	I could not have been reforming
you could not have been reforming
he could not have been reforming
we could not have been reforming
you could not have been reforming
they could not have been reforming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I reform?
could you reform?
could he reform?
could we reform?
could you reform?
could they reform? 	could I be reforming?
could you be reforming?
could he be reforming?
could we be reforming?
could you be reforming?
could they be reforming? 	could I have reformed?
could you have reformed?
could he have reformed?
could we have reformed?
could you have reformed?
could they have reformed? 	could I have been reforming?
could you have been reforming?
could he have been reforming?
could we have been reforming?
could you have been reforming?
could they have been reforming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not reform?
could you not reform?
could he not reform?
could we not reform?
could you not reform?
could they not reform? 	could I not be reforming?
could you not be reforming?
could he not be reforming?
could we not be reforming?
could you not be reforming?
could they not be reforming? 	could I not have reformed?
could you not have reformed?
could he not have reformed?
could we not have reformed?
could you not have reformed?
could they not have reformed? 	could I not have been reforming?
could you not have been reforming?
could he not have been reforming?
could we not have been reforming?
could you not have been reforming?
could they not have been reforming?