could wash
Verbo regular: wash - washed- washed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could wash
you could wash
he could wash
we could wash
you could wash
they could wash 	I could be washing
you could be washing
he could be washing
we could be washing
you could be washing
they could be washing	I could have washed
you could have washed
he could have washed
we could have washed
you could have washed
they could have washed	I could have been washing
you could have been washing
he could have been washing
we could have been washing
you could have been washing
they could have been washing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not wash
you could not wash
he could not wash
we could not wash
you could not wash
they could not wash 	I could not be washing
you could not be washing
he could not be washing
we could not be washing
you could not be washing
they could not be washing	I could not have washed
you could not have washed
he could not have washed
we could not have washed
you could not have washed
they could not have washed	I could not have been washing
you could not have been washing
he could not have been washing
we could not have been washing
you could not have been washing
they could not have been washing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I wash?
could you wash?
could he wash?
could we wash?
could you wash?
could they wash? 	could I be washing?
could you be washing?
could he be washing?
could we be washing?
could you be washing?
could they be washing? 	could I have washed?
could you have washed?
could he have washed?
could we have washed?
could you have washed?
could they have washed? 	could I have been washing?
could you have been washing?
could he have been washing?
could we have been washing?
could you have been washing?
could they have been washing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not wash?
could you not wash?
could he not wash?
could we not wash?
could you not wash?
could they not wash? 	could I not be washing?
could you not be washing?
could he not be washing?
could we not be washing?
could you not be washing?
could they not be washing? 	could I not have washed?
could you not have washed?
could he not have washed?
could we not have washed?
could you not have washed?
could they not have washed? 	could I not have been washing?
could you not have been washing?
could he not have been washing?
could we not have been washing?
could you not have been washing?
could they not have been washing?