could destain
Verbo regular: destain - destained- destained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could destain
you could destain
he could destain
we could destain
you could destain
they could destain 	I could be destaining
you could be destaining
he could be destaining
we could be destaining
you could be destaining
they could be destaining	I could have destained
you could have destained
he could have destained
we could have destained
you could have destained
they could have destained	I could have been destaining
you could have been destaining
he could have been destaining
we could have been destaining
you could have been destaining
they could have been destaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't destain
you couldn't destain
he couldn't destain
we couldn't destain
you couldn't destain
they couldn't destain 	I couldn't be destaining
you couldn't be destaining
he couldn't be destaining
we couldn't be destaining
you couldn't be destaining
they couldn't be destaining	I couldn't have destained
you couldn't have destained
he couldn't have destained
we couldn't have destained
you couldn't have destained
they couldn't have destained	I couldn't have been destaining
you couldn't have been destaining
he couldn't have been destaining
we couldn't have been destaining
you couldn't have been destaining
they couldn't have been destaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I destain?
could you destain?
could he destain?
could we destain?
could you destain?
could they destain? 	could I be destaining?
could you be destaining?
could he be destaining?
could we be destaining?
could you be destaining?
could they be destaining? 	could I have destained?
could you have destained?
could he have destained?
could we have destained?
could you have destained?
could they have destained? 	could I have been destaining?
could you have been destaining?
could he have been destaining?
could we have been destaining?
could you have been destaining?
could they have been destaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I destain?
couldn't you destain?
couldn't he destain?
couldn't we destain?
couldn't you destain?
couldn't they destain? 	couldn't I be destaining?
couldn't you be destaining?
couldn't he be destaining?
couldn't we be destaining?
couldn't you be destaining?
couldn't they be destaining? 	couldn't I have destained?
couldn't you have destained?
couldn't he have destained?
couldn't we have destained?
couldn't you have destained?
couldn't they have destained? 	couldn't I have been destaining?
couldn't you have been destaining?
couldn't he have been destaining?
couldn't we have been destaining?
couldn't you have been destaining?
couldn't they have been destaining?