Fix My Fossilised Grammar Mistakes

You know the rule and still make the mistake, which is maddening. List your recurring errors and this works out the likely cognitive or first-language reason each one sticks, reframes the rule in a way that might finally click, and gives you memorable example sentences to overwrite the old habit.

I am an advanced learner of {TARGET_LANGUAGE} and I have persistent grammar mistakes that I keep repeating despite knowing the rules. Here is a list of my recurring errors:

{ERROR_LIST}

For each error: (1) diagnose the likely cognitive or transfer reason why I keep making it; (2) reformulate the rule in a new way that might click better than standard explanations; (3) provide three memorable example sentences that reinforce the correct form; (4) suggest one targeted micro-exercise I can do in under five minutes to practise that specific point. Be direct and assume I have strong metalinguistic awareness.