هَلْ تُسَاعِدُنِي أَشْكُرْكَ؟
Translation: Will you help me, so that I may thank you?
Tusāʿidunī is indicative in the question; ashkurka is jussive if it represents a consequence of a favourable response.
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Jussive after a Question
The Jussive Imperfect: Governors, Conditions, and Request Responses
هَلْ تُسَاعِدُنِي أَشْكُرْكَ؟
Translation: Will you help me, so that I may thank you?
Tusāʿidunī is indicative in the question; ashkurka is jussive if it represents a consequence of a favourable response.