PAST PERFECT CONTINUOUS

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PAST PERFECT CONTINUOUS by Mind Map: PAST PERFECT CONTINUOUS

1. From

1.1. It goes with the auxiliar verb ''to have'', ''been'' and the verb+ing.

2. Structure

2.1. Affirmative

2.1.1. Sujeto + had + been+ verb+ing...

2.1.2. I had been studying English for 2 years when I went to London.

2.2. Negative

2.2.1. Sujeto + had + not + been + verb+ing...

2.2.2. I had not been studying English long when I went to London.

2.3. Question

2.3.1. Had + sujeto + been + verb+ing...?

2.3.2. Had you been studying English for a long time before you went to London?

3. Uses

3.1. We use the past perfect continuous to refer to something we had been doing (in process) when another action interrupted it. The past perfect continuous is used for action in process and the past simple for interrupting action. When we refer to something that we have been doing over a period of time, therefore, we usually use the prepositions of time "for" or "since".

3.1.1. I’d been working for hours when I fell asleep at my desk..

3.1.2. Frank bought a new car. He’d been looking for one since last year.

3.1.3. She was tired because she’d been working too much.

3.2. It is used to demonstrate cause and effect in the past.

3.2.1. They were angry because they’d been waiting for me for hours.