Anonymous Please help. You have overlooked the most basic feature of present perfect tense usage, namely, that you cannot mention a specific time with it. from 1973 to 1976 is a specific time.
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AnonymousPlease help.You have overlooked the most basic feature of present perfect tense usage, namely, that you cannot mention a specific time with it.
AnonymousLet us delete those time specific words, "from 1973 to 1976." What is your position on the appropriateness of the tenses in those two made-up situations.In that case either served or has served can be used in either situation. Since these are introductions, I would use has served in both cases because both situations are