Softening expressions - could, would, may, perhaps, I was wondering — IITM BS previous year questions

Softening expressions - could, would, may, perhaps, I was wondering is part of Politeness Strategies, Week 11 in English 2. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.