Conjugação do verbo inglês COULD UNBUTTON

Verbo regular: unbutton - unbuttoned - unbuttoned

Afirmação

Forma simple

I could unbutton
you could unbutton
she could unbutton
we could unbutton
you could unbutton
they could unbutton

Forma com V-ing

I could be unbuttoning
you could be unbuttoning
she could be unbuttoning
we could be unbuttoning
you could be unbuttoning
they could be unbuttoning

Perfeito

I could have unbuttoned
you could have unbuttoned
she could have unbuttoned
we could have unbuttoned
you could have unbuttoned
they could have unbuttoned

Perfeito com V-ing

I could have been unbuttoning
you could have been unbuttoning
she could have been unbuttoning
we could have been unbuttoning
you could have been unbuttoning
they could have been unbuttoning

Negação

Forma simple

I couldn't unbutton
you couldn't unbutton
she couldn't unbutton
we couldn't unbutton
you couldn't unbutton
they couldn't unbutton

Forma com V-ing

I couldn't be unbuttoning
you couldn't be unbuttoning
she couldn't be unbuttoning
we couldn't be unbuttoning
you couldn't be unbuttoning
they couldn't be unbuttoning

Perfeito

I couldn't have unbuttoned
you couldn't have unbuttoned
she couldn't have unbuttoned
we couldn't have unbuttoned
you couldn't have unbuttoned
they couldn't have unbuttoned

Perfeito com V-ing

I couldn't have been unbuttoning
you couldn't have been unbuttoning
she 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 she unbutton?
could we unbutton?
could you unbutton?
could they unbutton?

Forma com V-ing

could I be unbuttoning?
could you be unbuttoning?
could she be unbuttoning?
could we be unbuttoning?
could you be unbuttoning?
could they be unbuttoning?

Perfeito

could I have unbuttoned?
could you have unbuttoned?
could she have unbuttoned?
could we have unbuttoned?
could you have unbuttoned?
could they have unbuttoned?

Perfeito com V-ing

could I have been unbuttoning?
could you have been unbuttoning?
could she have been unbuttoning?
could we have been unbuttoning?
could you have been unbuttoning?
could they have been unbuttoning?

Forma interro-Negação

Forma simple

couldn't I unbutton?
couldn't you unbutton?
couldn't she unbutton?
couldn't we unbutton?
couldn't you unbutton?
couldn't they unbutton?

Forma com V-ing

couldn't I be unbuttoning?
couldn't you be unbuttoning?
couldn't she be unbuttoning?
couldn't we be unbuttoning?
couldn't you be unbuttoning?
couldn't they be unbuttoning?

Perfeito

couldn't I have unbuttoned?
couldn't you have unbuttoned?
couldn't she have unbuttoned?
couldn't we have unbuttoned?
couldn't you have unbuttoned?
couldn't they have unbuttoned?

Perfeito com V-ing

couldn't I have been unbuttoning?
couldn't you have been unbuttoning?
couldn't she have been unbuttoning?
couldn't we have been unbuttoning?
couldn't you have been unbuttoning?
couldn't they have been unbuttoning?

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