Conjugação do verbo inglês
COULD UNTHREAD

Verbo regular: unthread - unthreaded - unthreaded

Afirmação

Forma simple	Forma com V-ing
I could unthread you could unthread he could unthread we could unthread you could unthread they could unthread	I could be unthreading you could be unthreading he could be unthreading we could be unthreading you could be unthreading they could be unthreading
Perfeito	Perfeito com V-ing
I could have unthreaded you could have unthreaded he could have unthreaded we could have unthreaded you could have unthreaded they could have unthreaded	I could have been unthreading you could have been unthreading he could have been unthreading we could have been unthreading you could have been unthreading they could have been unthreading

Negação

Forma simple	Forma com V-ing
I could not unthread you could not unthread he could not unthread we could not unthread you could not unthread they could not unthread	I could not be unthreading you could not be unthreading he could not be unthreading we could not be unthreading you could not be unthreading they could not be unthreading
Perfeito	Perfeito com V-ing
I could not have unthreaded you could not have unthreaded he could not have unthreaded we could not have unthreaded you could not have unthreaded they could not have unthreaded	I could not have been unthreading you could not have been unthreading he could not have been unthreading we could not have been unthreading you could not have been unthreading they could not have been unthreading

Forma interrogativa

Forma simple	Forma com V-ing
could I unthread? could you unthread? could he unthread? could we unthread? could you unthread? could they unthread?	could I be unthreading? could you be unthreading? could he be unthreading? could we be unthreading? could you be unthreading? could they be unthreading?
Perfeito	Perfeito com V-ing
could I have unthreaded? could you have unthreaded? could he have unthreaded? could we have unthreaded? could you have unthreaded? could they have unthreaded?	could I have been unthreading? could you have been unthreading? could he have been unthreading? could we have been unthreading? could you have been unthreading? could they have been unthreading?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not unthread? could you not unthread? could he not unthread? could we not unthread? could you not unthread? could they not unthread?	could I not be unthreading? could you not be unthreading? could he not be unthreading? could we not be unthreading? could you not be unthreading? could they not be unthreading?
Perfeito	Perfeito com V-ing
could I not have unthreaded? could you not have unthreaded? could he not have unthreaded? could we not have unthreaded? could you not have unthreaded? could they not have unthreaded?	could I not have been unthreading? could you not have been unthreading? could he not have been unthreading? could we not have been unthreading? could you not have been unthreading? could they not have been unthreading?