Past Perfect Continuous

Front

What is the structure of the Past Perfect Continuous tense?

Back

The structure is: had + been + verb(-ing).

Front

What do we need to add to the main verb in the Past Perfect Continuous tense?

Back

-ing.

Front

When do we use the Past Perfect Continuous tense?

Back

To emphasize the duration of an action that was ongoing before another action in the past.

Front

How do you form the negative in the Past Perfect Continuous tense?

Back

Use 'had not been' + verb(-ing).

Front

How do you form a question in the Past Perfect Continuous tense?

Back

Start with 'Had' + subject + 'been' + verb(-ing)?

Front

Provide an example of a sentence in the Past Perfect Continuous tense.

Back

She had been studying for hours before the exam started.

Front

What is the difference between Past Perfect and Past Perfect Continuous?

Back

Past Perfect indicates a completed action, while Past Perfect Continuous emphasizes the duration of an ongoing action before another past action.

Front

What is the significance of the word 'had' in the Past Perfect Continuous tense?

Back

It indicates that the action was completed before another action in the past.

Front

Can the Past Perfect Continuous tense be used with time expressions?

Back

Yes, it can be used with time expressions like 'for two days', 'since 2010', etc.

Front

What is an example of a time expression used with the Past Perfect Continuous tense?

Back

'For two years'.