Sujeto + Had + Been + Verbo con –Ing al final + el resto de la oración.
Para escribir oraciones Afirmativas, después del Sujeto se escribe el Auxiliar "Had" seguido de la palabra "Been". Luego se escribe el Verbo Principal agregandole "–ing" al final (eso indica que la acción estaba es progreso).
Examples
I had been studying for hours when I fell asleep.
British
American
They had been waiting for several minutes when the bus appeared.
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American
Tom bought the house that he had been dreaming about since he was a child.
British
American
Sujeto + Had Not + Been + Verbo Principal con –Ing al final + el resto de la oración.
La estructura en Negativo es igual al Afirmativo pero el Auxiliar se niega.
"Had Not (Hadn't)".
Examples
They had not been living together for long when they broke up.
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American
He hadn't been playing long when it started raining.
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American
When the teacher came in, the children had not been speaking loudly.
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American
Had + Sujeto + Been + verbo con –Ing al final + el resto de la oración…?
En la forma interrogativa, el auxiliar "Had" se escribe antes del Sujeto.
Examples
Had you been studying for a long time before the competition?
British
American
Had she been working for a long time at the office when she was fired?
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American
Had he been running too much when he started feeling sick?
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American
1 The baby _____ when his mother arrived.
2 Tina _____ watching TV.
3 _____ from California?
4 My uncle _____ here for ages!
5 They _____ before.
6 It's used to talk about actions in progress in the Past.
7 The action in Past Perfect Continuous is generally interrupted by another action in Present.
8 We generally use prepositions like "For" and "Since".
9 The main verb is always conjugated in the Participle form.
10 When she arrived, the boys _____ the bedroom.
11 I _____ when it became dark.
12 _____ they been studying before the test?
13 Susan had been _____ for hours.
14 The action in Past Perfect Continuous is generally interrupted by an action in the Past.
15 The main verb always ends with the "–ing" form.
