Conjugación del verbo inglés COULD UNBUTTON
Verbo regular: unbutton - unbuttoned - unbuttoned
Afirmación
Forma simple
I could unbuttonyou could unbutton
he could unbutton
we could unbutton
you could unbutton
they could unbutton
Forma con V-ing
I could be unbuttoningyou could be unbuttoning
he could be unbuttoning
we could be unbuttoning
you could be unbuttoning
they could be unbuttoning
Perfecto
I could have unbuttonedyou could have unbuttoned
he could have unbuttoned
we could have unbuttoned
you could have unbuttoned
they could have unbuttoned
Perfecto con V-ing
I could have been unbuttoningyou could have been unbuttoning
he could have been unbuttoning
we could have been unbuttoning
you could have been unbuttoning
they could have been unbuttoning
Negación
Forma simple
I couldn't unbuttonyou couldn't unbutton
he couldn't unbutton
we couldn't unbutton
you couldn't unbutton
they couldn't unbutton
Forma con V-ing
I couldn't be unbuttoningyou couldn't be unbuttoning
he couldn't be unbuttoning
we couldn't be unbuttoning
you couldn't be unbuttoning
they couldn't be unbuttoning
Perfecto
I couldn't have unbuttonedyou couldn't have unbuttoned
he couldn't have unbuttoned
we couldn't have unbuttoned
you couldn't have unbuttoned
they couldn't have unbuttoned
Perfecto con V-ing
I couldn't have been unbuttoningyou couldn't have been unbuttoning
he couldn't have been unbuttoning
we couldn't have been unbuttoning
you couldn't have been unbuttoning
they couldn't have been unbuttoning
Forma interrogativa
Forma simple
could I unbutton?could you unbutton?
could he unbutton?
could we unbutton?
could you unbutton?
could they unbutton?
Forma con V-ing
could I be unbuttoning?could you be unbuttoning?
could he be unbuttoning?
could we be unbuttoning?
could you be unbuttoning?
could they be unbuttoning?
Perfecto
could I have unbuttoned?could you have unbuttoned?
could he have unbuttoned?
could we have unbuttoned?
could you have unbuttoned?
could they have unbuttoned?
Perfecto con V-ing
could I have been unbuttoning?could you have been unbuttoning?
could he have been unbuttoning?
could we have been unbuttoning?
could you have been unbuttoning?
could they have been unbuttoning?
Forma interro-negativa
Forma simple
couldn't I unbutton?couldn't you unbutton?
couldn't he unbutton?
couldn't we unbutton?
couldn't you unbutton?
couldn't they unbutton?
Forma con V-ing
couldn't I be unbuttoning?couldn't you be unbuttoning?
couldn't he be unbuttoning?
couldn't we be unbuttoning?
couldn't you be unbuttoning?
couldn't they be unbuttoning?
Perfecto
couldn't I have unbuttoned?couldn't you have unbuttoned?
couldn't he have unbuttoned?
couldn't we have unbuttoned?
couldn't you have unbuttoned?
couldn't they have unbuttoned?
Perfecto con V-ing
couldn't I have been unbuttoning?couldn't you have been unbuttoning?
couldn't he have been unbuttoning?
couldn't we have been unbuttoning?
couldn't you have been unbuttoning?
couldn't they have been unbuttoning?