Subject

    English Language

    Topic

    Conditional Sentence

    We would help you if we - how.

    ক)
    knew
    খ)
    would know
    গ)
    would have known
    ঘ)
    know

    Explanation

    If যুক্ত sentence, conditional sentence .condition sentence চার প্রকার ।যথা- a.zero conditional sentence b.first conditional sentence c.second conditional sentence এবং d.third conditional sentence. *if এর পর past tense থাকলে তা second conditional sentence. ✿structure -- If+past+would/could/might+verb এর  present form structure অনুসারে শূন্যস্থানে knew বসবে।

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