Question

What is structure of past tense​

Answer 1

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The past perfect is used to demonstrate an action that occurred before another action in the past. There are usually two completed actions in the sentence; one happens before the other. Structures: Subject + had + past participle form of the main verb + before + subject + simple past tense . . . .

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Answer 2

Explanation:

subject + had +past participle form of the main verb +before + subject +simple past tense ......

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