could rethread
Verbo regular: rethread - rethreaded- rethreaded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could rethread
you could rethread
she could rethread
we could rethread
you could rethread
they could rethread 	I could be rethreading
you could be rethreading
she could be rethreading
we could be rethreading
you could be rethreading
they could be rethreading	I could have rethreaded
you could have rethreaded
she could have rethreaded
we could have rethreaded
you could have rethreaded
they could have rethreaded	I could have been rethreading
you could have been rethreading
she could have been rethreading
we could have been rethreading
you could have been rethreading
they could have been rethreading	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not rethread
you could not rethread
she could not rethread
we could not rethread
you could not rethread
they could not rethread 	I could not be rethreading
you could not be rethreading
she could not be rethreading
we could not be rethreading
you could not be rethreading
they could not be rethreading	I could not have rethreaded
you could not have rethreaded
she could not have rethreaded
we could not have rethreaded
you could not have rethreaded
they could not have rethreaded	I could not have been rethreading
you could not have been rethreading
she could not have been rethreading
we could not have been rethreading
you could not have been rethreading
they could not have been rethreading	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I rethread?
could you rethread?
could she rethread?
could we rethread?
could you rethread?
could they rethread? 	could I be rethreading?
could you be rethreading?
could she be rethreading?
could we be rethreading?
could you be rethreading?
could they be rethreading? 	could I have rethreaded?
could you have rethreaded?
could she have rethreaded?
could we have rethreaded?
could you have rethreaded?
could they have rethreaded? 	could I have been rethreading?
could you have been rethreading?
could she have been rethreading?
could we have been rethreading?
could you have been rethreading?
could they have been rethreading? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not rethread?
could you not rethread?
could she not rethread?
could we not rethread?
could you not rethread?
could they not rethread? 	could I not be rethreading?
could you not be rethreading?
could she not be rethreading?
could we not be rethreading?
could you not be rethreading?
could they not be rethreading? 	could I not have rethreaded?
could you not have rethreaded?
could she not have rethreaded?
could we not have rethreaded?
could you not have rethreaded?
could they not have rethreaded? 	could I not have been rethreading?
could you not have been rethreading?
could she not have been rethreading?
could we not have been rethreading?
could you not have been rethreading?
could they not have been rethreading?