Question

English activiy-Past perfect continous.
1. Put the verbs into the correct form (past perfect continuous)
a. He (wait)
at the airport
b. We look for)
her glasses for
one hour.
c. How long (learn/he)
Spanish before he went
to Spain?
d. My father caught the flu because he (work)

Answer 1

Resposta:

a. He had been waiting at the airport

b. We jad been looking for her glasses for one hour

c. How long had he been learning Spanish before he went to Spain?

d. My father caught the flu because he had been working

Explicação:

Quando é uma afirmação, como nos itens a, b e d, você utiliza a mesma "fórmula" sujeito+ had+ been + verbo principal no gerúndio (ing)

No caso de uma pergunta, como no item c, o verbo auxiliar (had) vem antes do sujeito e segue a "fórmula"