VERBO AUXILIAR + VERBO PRINCIPAL
VERBO AUXILIAR = TO BE (future perfect)
VERB PRINCIPAL = PRESENT PARTICIPLE
TO WRITE
I will (shall) have been writing
You will have been writing
He will have been writing
She will have been writing
It will have been writing
We will (shall) have been writing
You will have been writing
They will have been writing
USO DO "FUTURE PERFECT CONTINUOUS"
O "FUTURE PERFECT CONTINUOUS" expressa a DURAÇÃO DE UMA AÇÃO ATÉ UM CERTO PONTO NO FUTURO.
On November, 2013 we will have been studying together for 10 months.
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