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 couldn't sign
you couldn't sign
he couldn't sign
we couldn't sign
you couldn't sign
they couldn't sign

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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