Part 2 - Past Before the Past

Hi, all,

Two more questions, if I may. The inclusion or omission of 'had' drastically changes the meaning of a sentence, correct?

A week ago I crashed my car into a utility pole.

{This means that a week ago, I crashed my car into a utility pole. Period.}

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A week ago I had crashed my car into a utility pole.

{If we leave this sentence as is (without additional context), I think it means that 'I already crashed my car into a utility pole before some other unspecified action or event' – i.e. I may have crashed my car before later slipping on the ice. Is this correct logic?}


Thank you.