Anonymous I am referring to a point in the past. I'm not sure what you mean. If you want express that this happened in the past, use the third one.
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AnonymousI am referring to a point in the past.I'm not sure what you mean. If you want express that this happened in the past, use the third one. If the context that precedes this is in the past, i.e., if the past is your reference point of view, and the situation in this sentence is prior to that reference point, then use the first one.