could stonewash
Verbo regular: stonewash - stonewashed- stonewashed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could stonewash
you could stonewash
he could stonewash
we could stonewash
you could stonewash
they could stonewash 	I could be stonewashing
you could be stonewashing
he could be stonewashing
we could be stonewashing
you could be stonewashing
they could be stonewashing	I could have stonewashed
you could have stonewashed
he could have stonewashed
we could have stonewashed
you could have stonewashed
they could have stonewashed	I could have been stonewashing
you could have been stonewashing
he could have been stonewashing
we could have been stonewashing
you could have been stonewashing
they could have been stonewashing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not stonewash
you could not stonewash
he could not stonewash
we could not stonewash
you could not stonewash
they could not stonewash 	I could not be stonewashing
you could not be stonewashing
he could not be stonewashing
we could not be stonewashing
you could not be stonewashing
they could not be stonewashing	I could not have stonewashed
you could not have stonewashed
he could not have stonewashed
we could not have stonewashed
you could not have stonewashed
they could not have stonewashed	I could not have been stonewashing
you could not have been stonewashing
he could not have been stonewashing
we could not have been stonewashing
you could not have been stonewashing
they could not have been stonewashing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I stonewash?
could you stonewash?
could he stonewash?
could we stonewash?
could you stonewash?
could they stonewash? 	could I be stonewashing?
could you be stonewashing?
could he be stonewashing?
could we be stonewashing?
could you be stonewashing?
could they be stonewashing? 	could I have stonewashed?
could you have stonewashed?
could he have stonewashed?
could we have stonewashed?
could you have stonewashed?
could they have stonewashed? 	could I have been stonewashing?
could you have been stonewashing?
could he have been stonewashing?
could we have been stonewashing?
could you have been stonewashing?
could they have been stonewashing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not stonewash?
could you not stonewash?
could he not stonewash?
could we not stonewash?
could you not stonewash?
could they not stonewash? 	could I not be stonewashing?
could you not be stonewashing?
could he not be stonewashing?
could we not be stonewashing?
could you not be stonewashing?
could they not be stonewashing? 	could I not have stonewashed?
could you not have stonewashed?
could he not have stonewashed?
could we not have stonewashed?
could you not have stonewashed?
could they not have stonewashed? 	could I not have been stonewashing?
could you not have been stonewashing?
could he not have been stonewashing?
could we not have been stonewashing?
could you not have been stonewashing?
could they not have been stonewashing?