Past Perfect Continuous (I had been doing)

What Is the Past Perfect Continuous?

Use had been + -ing to say that something had been happening for a period of time before something else happened in the past.

• I got up and looked out of the window. The sun was shining, but the ground was very wet. It had been raining.

It was not raining at that moment. The sun was shining. But it had been raining before.

How to Form It

Subject	Structure	Example
I / we / you / they	had been + -ing	We had been waiting for 20 minutes.
he / she / it	had been + -ing	She had been working there for twelve years.

The contracted form is ‘d been: He‘d been working hard all day.

Saying How Long Something Had Been Happening

Use the past perfect continuous to show that an action was already in progress before a second past event. It answers the question “how long had this been going on?”

• We‘d been playing tennis for about half an hour when it started to rain heavily.
• I‘d been waiting for 20 minutes when I realised I was in the wrong restaurant.
• At the time the company went out of business, Sarah had been working there for twelve years.

In a work context: The team had been preparing the quarterly report for two weeks when the deadline was moved up.

Past Perfect Continuous vs. Present Perfect Continuous

The structure is the same — only the time reference changes. The present perfect continuous (have been -ing) looks back from now. The past perfect continuous (had been -ing) looks back from a point in the past.

Present Perfect Continuous (before now)	Past Perfect Continuous (before a past event)
I‘ve been waiting for 20 minutes.	At last the bus came. I‘d been waiting for 20 minutes.
James is out of breath. He’s been running.	James was out of breath. He‘d been running.

At the office: I‘ve been reviewing the contract all morning (still at it now) vs. By the time the client called, I‘d been reviewing the contract all morning (looking back from the call).

Past Perfect Continuous vs. Past Continuous

The past continuous (was -ing) describes what was happening at a particular moment. The past perfect continuous (had been -ing) describes what had been happening before that moment — and often explains why something was the case.

• It wasn’t raining when we went out. The sun was shining. But it had been raining, so the ground was wet.
• Katherine was lying on the sofa. She was tired because she‘d been working hard.

The past continuous sets the scene. The past perfect continuous gives the background cause.

Verbs Not Used in Continuous Forms

Some verbs describe states, not actions. These verbs are not normally used with be + -ing — even in the past perfect continuous. Use had + past participle instead.

Do not say	Say
We had been knowing each other for years.	We had known each other for years.
She’d been having long hair.	She‘d always had long hair.

Common state verbs that follow this rule: know, have (= possess), believe, like, belong, want, mean, need.

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