Could you tell me if there is any difference between you were wrong before and you have been wrong before? For example:
Person A: I'll make the right decision.
Person B: Nah. You were wrong before/you've been wrong before.
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Sign up to join this communityTo me, you were wrong before suggests that the speaker is referring to a particular occasion.
You have been wrong before means 'There have been some occasions in the past when you have made a wrong decision'.