Conjugação do verbo inglês COULD BUTTON

Verbo regular: button - buttoned - buttoned

Afirmação

Forma simple

I could button
you could button
he could button
we could button
you could button
they could button

Forma com V-ing

I could be buttoning
you could be buttoning
he could be buttoning
we could be buttoning
you could be buttoning
they could be buttoning

Perfeito

I could have buttoned
you could have buttoned
he could have buttoned
we could have buttoned
you could have buttoned
they could have buttoned

Perfeito com V-ing

I could have been buttoning
you could have been buttoning
he could have been buttoning
we could have been buttoning
you could have been buttoning
they could have been buttoning

Negação

Forma simple

I couldn't button
you couldn't button
he couldn't button
we couldn't button
you couldn't button
they couldn't button

Forma com V-ing

I couldn't be buttoning
you couldn't be buttoning
he couldn't be buttoning
we couldn't be buttoning
you couldn't be buttoning
they couldn't be buttoning

Perfeito

I couldn't have buttoned
you couldn't have buttoned
he couldn't have buttoned
we couldn't have buttoned
you couldn't have buttoned
they couldn't have buttoned

Perfeito com V-ing

I couldn't have been buttoning
you couldn't have been buttoning
he couldn't have been buttoning
we couldn't have been buttoning
you couldn't have been buttoning
they couldn't have been buttoning

Forma interrogativa

Forma simple

could I button?
could you button?
could he button?
could we button?
could you button?
could they button?

Forma com V-ing

could I be buttoning?
could you be buttoning?
could he be buttoning?
could we be buttoning?
could you be buttoning?
could they be buttoning?

Perfeito

could I have buttoned?
could you have buttoned?
could he have buttoned?
could we have buttoned?
could you have buttoned?
could they have buttoned?

Perfeito com V-ing

could I have been buttoning?
could you have been buttoning?
could he have been buttoning?
could we have been buttoning?
could you have been buttoning?
could they have been buttoning?

Forma interro-Negação

Forma simple

couldn't I button?
couldn't you button?
couldn't he button?
couldn't we button?
couldn't you button?
couldn't they button?

Forma com V-ing

couldn't I be buttoning?
couldn't you be buttoning?
couldn't he be buttoning?
couldn't we be buttoning?
couldn't you be buttoning?
couldn't they be buttoning?

Perfeito

couldn't I have buttoned?
couldn't you have buttoned?
couldn't he have buttoned?
couldn't we have buttoned?
couldn't you have buttoned?
couldn't they have buttoned?

Perfeito com V-ing

couldn't I have been buttoning?
couldn't you have been buttoning?
couldn't he have been buttoning?
couldn't we have been buttoning?
couldn't you have been buttoning?
couldn't they have been buttoning?

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