The video tutorial explains the past perfect continuous tense, its usage, and how it differs from the past continuous tense. It provides examples and guidelines for forming sentences using this tense. The tutorial emphasizes the importance of understanding the duration of actions in the past and concludes with a question to engage the audience.

What is the primary use of the Past Perfect Continuous tense?

• To describe actions that happened repeatedly in the past before another past action.

• To describe actions that will happen in the future.

• To describe actions that are happening right now.

• To describe actions that happened once in the past.

Which formula is used to construct a sentence in the Past Perfect Continuous tense?

• Subject + has + been + gerund + complement

• Subject + will + have + been + gerund

• Subject + was + gerund + complement

• Subject + had + been + gerund + complement

How does the Past Perfect Continuous differ from the Past Continuous?

• Past Perfect Continuous emphasizes the duration of time, while Past Continuous emphasizes interrupted actions.

• Past Perfect Continuous and Past Continuous are used interchangeably.

• Past Perfect Continuous is used for future actions, while Past Continuous is used for past actions.

• Past Perfect Continuous is used for present actions, while Past Continuous is used for future actions.

What should be added to 'had' in a negative sentence in the Past Perfect Continuous tense?

• Nothing, it remains the same.

• The word 'not'.

• The word 'never'.

• The word 'always'.

In an interrogative sentence using the Past Perfect Continuous, where does 'had' appear?

• Before the subject.

• After the subject.

• It does not appear in interrogative sentences.

• At the end of the sentence.