Conjugação do verbo inglês COULD FASTEN

Verbo regular: fasten - fastened - fastened

Afirmação

Forma simple

I could fasten
you could fasten
he could fasten
we could fasten
you could fasten
they could fasten

Forma com V-ing

I could be fastening
you could be fastening
he could be fastening
we could be fastening
you could be fastening
they could be fastening

Perfeito

I could have fastened
you could have fastened
he could have fastened
we could have fastened
you could have fastened
they could have fastened

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I fasten?
could you fasten?
could he fasten?
could we fasten?
could you fasten?
could they fasten?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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