Expressing possibility, certainty, preference, obligation, and advice — IITM BS previous year questions

Expressing possibility, certainty, preference, obligation, and advice is part of Functional Speaking Expressions, Week 6 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.