2. The mouse had hidden under the chair because the children had been loud. 3. I had written a poem by 4 pm yesterday

Past perfect and past perfect continuous tenses:

Пояснение: The past perfect tense is used to describe an action that happened before another action in the past. It is formed by using "had" followed by the past participle of the verb. In the given sentence, the children being loud (the second action) happened after the mouse had hidden under the chair (the first action), so the past perfect tense is used.

The past perfect continuous tense is used to describe the duration of an action that started in the past and continued up until another point in the past. It is formed by using "had been" followed by the present participle of the verb. In the given sentence, the speaker had been writing a poem (the action) until 4 pm yesterday (the specified time).

Доп. материал:

2. "Почему мышь спряталась под стулом? Дети были громкими." (Why did the mouse hide under the chair? The children had been loud.)

3. "Когда ты закончил писать стихотворение? Я уже написал его к 4 часам вчера." (When did you finish writing the poem? I had already written it by 4 pm yesterday.)

Совет: To understand the past perfect and past perfect continuous tenses better, it is important to have a clear understanding of the past simple tense. Practice using these tenses in context to reinforce your understanding. Pay attention to the time markers that indicate the sequence of events, such as "before," "after," "by," etc.

Упражнение: Rewrite the following sentences using the past perfect tense or the past perfect continuous tense, where appropriate:

1. The train had already departed when they arrived at the station.
2. She had been waiting for the bus for over an hour when it finally arrived.
3. By the time we reached the cinema, the movie had already started.