The video tutorial covers the past perfect simple tense, explaining its use in relation to the present perfect simple. It includes examples of forming positive, negative, and interrogative sentences, and discusses the use of time expressions and prepositions at the end of sentences. The lesson emphasizes informal contexts for ending sentences with prepositions and provides a recap of the key points discussed.

What is the past perfect simple tense primarily used for?

• To describe an action that happened before another past action

• To describe an action that will happen in the future

• To describe a habitual action in the past

• To describe an ongoing action in the present

Which auxiliary verb is used with the past perfect simple tense?

• Will

• Have

• Had

• Has

In a negative past perfect sentence, what follows the auxiliary verb?

• The object

• The word 'not'

• The subject

• The main verb

What is the structure of a question in the past perfect tense?

• Auxiliary + subject + past participle

• Subject + auxiliary + main verb

• Subject + main verb + auxiliary

• Main verb + subject + auxiliary

Which of the following is a time expression commonly used with the past perfect tense?

• While

• Until

• During

• By the time

When is it acceptable to end a sentence with a preposition?

• In legal documents

• In scientific papers

• In informal speech or writing

• In formal writing

Which of the following is an example of a phrasal verb?

• To point out

• To run

• To sleep

• To eat