Conjugação do verbo inglês COULD SIGN

Verbo regular: sign - signed - signed

Afirmação

Forma simple

I could sign
you could sign
he could sign
we could sign
you could sign
they could sign

Forma com V-ing

I could be signing
you could be signing
he could be signing
we could be signing
you could be signing
they could be signing

Perfeito

I could have signed
you could have signed
he could have signed
we could have signed
you could have signed
they could have signed

Perfeito com V-ing

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

Negação

Forma simple

I could not sign
you could not sign
he could not sign
we could not sign
you could not sign
they could not sign

Forma com V-ing

I could not be signing
you could not be signing
he could not be signing
we could not be signing
you could not be signing
they could not be signing

Perfeito

I could not have signed
you could not have signed
he could not have signed
we could not have signed
you could not have signed
they could not have signed

Perfeito com V-ing

I could not have been signing
you could not have been signing
he could not have been signing
we could not have been signing
you could not have been signing
they could not have been signing

Forma interrogativa

Forma simple

could I sign?
could you sign?
could he sign?
could we sign?
could you sign?
could they sign?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

could I not sign?
could you not sign?
could he not sign?
could we not sign?
could you not sign?
could they not sign?

Forma com V-ing

could I not be signing?
could you not be signing?
could he not be signing?
could we not be signing?
could you not be signing?
could they not be signing?

Perfeito

could I not have signed?
could you not have signed?
could he not have signed?
could we not have signed?
could you not have signed?
could they not have signed?

Perfeito com V-ing

could I not have been signing?
could you not have been signing?
could he not have been signing?
could we not have been signing?
could you not have been signing?
could they not have been signing?

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