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I fail to comprehend the difference in the meaning implied by the following statements:
- Page had played the guitar. (Past perfect)
- Page was playing the guitar. (Past Progressive)
- Page played the guitar (Simple past)
- Page had been playing guitar for a long time. (Past Perfect Progressive)
Can somebody shed some light ? All appear to imply that guitar was played by Page. Is there any additional temporal information that each provides us with ?