Subject

    English Language

    Topic

    Verbs

    My cousins did not help when I was in deep trouble. But they -

    ক)
    should help me then
    খ)
    ought to help me then
    গ)
    should have help me than
    ঘ)
    should have helped me then

    Explanation

    The correct choice is 'should have helped me then' because it uses the modal auxiliary verb structure 'should have + past participle (helped)' to express a past obligation or expectation that was *not* met. This structure perfectly conveys regret or criticism about a past action. Elimination: Options (A) and (B) use 'should help' or 'ought to help,' which are present/future obligations, not relevant for a past event ('when I was in deep trouble'). Option (C) incorrectly uses 'help' instead of the required past participle 'helped' after 'should have.'

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