Question

What is the past perfect tense of the verb “live”?

Answer 1

Hint: The past perfect, also known as pluperfect, is a verb tense that is used to describe behavior that occurred in the past. The past perfect tense is formed by using had+ past participle of the verb.

Complete answer:
The past perfect tense is used to describe events that occurred before another event.
had + [past participle] is the formula for the past perfect tense. The formula remains the same whether the subject is singular or plural.

The past participle of live is lived. So, the past perfect tense of live would be had + past participle of live, which is, had lived.
Example: The close bond between the humans and dogs has continued to be a common theme in both literature and movies. The writer suggests in this example that the theme of dogs as "man's best friend" began at an unknown or indefinite time and is still relevant today.

Thus the required answer is “lived”.

Note: There is no tense in the past participle. It's a verb form that can't stand on its own.
An auxiliary verb, such as "have" or "had," is required. As a result, the past participle is often used in compound verbs.