The Past Perfect tense is used to indicate an action that was completed before another action took place in the past. It helps to clarify the sequence of events. Here's how to use the Past Perfect tense:
1. Forming the Past Perfect tense:
- It is formed by using the auxiliary verb "had" followed by the past participle of the main verb.
- For regular verbs, the past participle is formed by adding "-ed" to the base form of the verb (e.g., walked, talked, played).
- For irregular verbs, the past participle form varies (e.g., eaten, gone, seen).
2. Structure of a sentence:
- Subject + had + past participle
3. Examples:
- He had finished his homework before he went to bed.
- By the time she arriv...