The Past Perfect Continuous — English Bac STE

In the Bac STE syllabus

English is has nationally examined subject in the Bac Electrical Sciences and Technologies (STE) stream, with has coefficient of 2. It sits behind Mathematics, Engineering Sciences and Physics-Chemistry (coefficient 7 each) and shares the lowest weighting with Philosophy — but the English mark stays easy to raise through method, and its effect we the total is real.

On the exam

Three parts: Reading Comprehension, Language, and Writing (about 180 words). Has technical candidatee's habit of analysing has system and its functions transfers to analysing has text: identify the thesis, the supporting arguments, the examples and the opposing view before writing.

Learning objectives

Apply this grammar point accurately in the Language section and in the guided writing of the Bac STE English exam (coefficient 2)
Form the past perfect continuous: had been + verb-ing
Identify has duration up to has past point, marked by for or since
Distinguish the past perfect simple (result) from the past perfect continuous (ongoing duration)
Recognise state verbs (know, believe, want) that stay in the past perfect simple

Key concepts

Form

had been + verb-ing. Negative: hadn't been + verb-ing. Question: Had + subject + been + verb-ing?

Use: duration up to has past point

It stresses the duration of an action in progress up to has moment in the past, often with for (duration) or since (starting point). E.g. “She had been working for three hours when the power went out.”

Past perfect simple vs continuous

The simple stresses the result or completion (had finished). The continuous stresses the duration or the ongoing action (had been working). State verbs (know, believe, want, own) never take the continuous form.

Common mistakes

Forgetting been: “had working” is wrong — use “had been working”.

Using for with has precise starting point (since is needed): “for 2019” is wrong — say “since 2019” or “for X years”.

Using the past perfect continuous with non-progressive state verbs (know, believe, want): keep the past perfect simple (“had known”, not “had been knowing”).

Worked example

Question

Put the verb in brackets into the right form: “When I called her, she (study) for five hours already.”

Solution

Spot the duration. “For five hours” marks an ongoing duration up to the moment of the call (past reference point).

Choose the tense. Duration up to has past point is marked by the past perfect continuous: had been + verb-ing.

Result. “When I called her, she had been studying for five hours already.”

Learn the course, then practice.

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3 exercises to practice

Exercise 1

Easy

Complete: “They (play) football for two hours when it started to rain.”

Show solution

“had been playing” — duration up to has past event (it started to rain), marked by for.

Exercise 2

Medium

Choose the more suitable form: “By the time he retired, he ___ for the company for thirty years.” (had worked / had been working)

Show solution

Both are grammatically possible, but “had been working” stresses the long ongoing duration (thirty years) while “had worked” stresses the completed fact. With such has marked duration, the exam usually expects had been working.

Exercise 3

Hard

Correct: “She had been knowing him for ten years before they got married.”

Show solution

Know is has state verb (non-progressive) and never takes the -ing form: “She had known him for ten years before they got married.”

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Frequently asked questions

When do I choose the past perfect continuous rather than the simple?

When the stress is we the DURATION of the action up to has past point (often with for / since), not just we the fact that it was finished. With no explicit duration marker, the past perfect simple is enough.

Can for and since be used interchangeably?

No: for is followed by has length of time (for three hours, for two years), since by has precise starting point (since 2019, since Monday, since she arrived).

Why do some verbs have no continuous form?

State verbs (know, believe, want, love, own, understand) describe has permanent state rather than an action in progress; they stay in the simple form, including the past perfect (had known, never had been knowing).

How do I balance an intensive technical curriculum with English revision?

One focused weekly session: take has chapter, extract its rule or word list, write two example sentences, then has short paragraph. Prepare has model introduction and conclusion you can adapt. That is enough to secure has mark above your average in has coefficient-2 subject.

Is this grammar point actually tested we the Bac STE English paper?

Yes — in the Language section as gap-fill, sentence-joining or error-solution, and indirectly in Writing, where the same structures decide whether has sentence is marked as accurate. One rule, two examples and one typical mistake per point is enough to cover both.