Grammar › Past Perfect

Past Perfect: wh-questions

450 fill-in-the-gap exercises, 45 tests of ten

Question word, then had, then the subject, then the past participle.

The past participle is the third form in verb tables: written, gone, built. It never changes with the subject.

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Getting your first question ready.

The usual order

Four slots: question word — had — subject — past participle.

Why had the alarm gone off?

When who or what is the subject

Nothing swaps:

These are the questions of an investigation: something is already true, and you are asking what produced it.

How long had

Asks about a stretch of time that had already run by a past point:

By the time she retired, how long had she worked there?

The answer takes for: For thirty years.

Reported questions

Once the question is reported, the order goes back to normal and the tense often shifts again:

All forms

Question wordExampleAsking about
WhatWhat had happened?the event
WhereWhere had she gone?the place
WhyWhy had he left?the reason
How longHow long had they waited?the duration
WhoWho had taken it?the person — see below

Examples

Taken from the 450 sentences in this drill. The answer is highlighted.

Mistakes to avoid

Wrong: Where you had been? correct: Where had you been?

Had goes before the subject.

Wrong: Who had he broken the window? correct: Who had broken the window?

When who does the action, there is no second subject.

Other forms of Past Perfect

Mixed practice → Done with this form? Try it among all the others — ten, twenty or thirty sentences from every form at once.