feminino | Modal : não | may | might | can | could | shall | should | will | would | must | ought to
Conjugação do verbo inglês COULD TIGHTEN
Verbo regular: tighten - tightened - tightened
Afirmação
Forma simple
I could tightenyou could tighten
he could tighten
we could tighten
you could tighten
they could tighten
Forma com V-ing
I could be tighteningyou could be tightening
he could be tightening
we could be tightening
you could be tightening
they could be tightening
Perfeito
I could have tightenedyou could have tightened
he could have tightened
we could have tightened
you could have tightened
they could have tightened
Perfeito com V-ing
I could have been tighteningyou could have been tightening
he could have been tightening
we could have been tightening
you could have been tightening
they could have been tightening
Negação
Forma simple
I could not tightenyou could not tighten
he could not tighten
we could not tighten
you could not tighten
they could not tighten
Forma com V-ing
I could not be tighteningyou could not be tightening
he could not be tightening
we could not be tightening
you could not be tightening
they could not be tightening
Perfeito
I could not have tightenedyou could not have tightened
he could not have tightened
we could not have tightened
you could not have tightened
they could not have tightened
Perfeito com V-ing
I could not have been tighteningyou could not have been tightening
he could not have been tightening
we could not have been tightening
you could not have been tightening
they could not have been tightening
Forma interrogativa
Forma simple
could I tighten?could you tighten?
could he tighten?
could we tighten?
could you tighten?
could they tighten?
Forma com V-ing
could I be tightening?could you be tightening?
could he be tightening?
could we be tightening?
could you be tightening?
could they be tightening?
Perfeito
could I have tightened?could you have tightened?
could he have tightened?
could we have tightened?
could you have tightened?
could they have tightened?
Perfeito com V-ing
could I have been tightening?could you have been tightening?
could he have been tightening?
could we have been tightening?
could you have been tightening?
could they have been tightening?
Forma interro-Negação
Forma simple
could I not tighten?could you not tighten?
could he not tighten?
could we not tighten?
could you not tighten?
could they not tighten?
Forma com V-ing
could I not be tightening?could you not be tightening?
could he not be tightening?
could we not be tightening?
could you not be tightening?
could they not be tightening?
Perfeito
could I not have tightened?could you not have tightened?
could he not have tightened?
could we not have tightened?
could you not have tightened?
could they not have tightened?
Perfeito com V-ing
could I not have been tightening?could you not have been tightening?
could he not have been tightening?
could we not have been tightening?
could you not have been tightening?
could they not have been tightening?