💡 What Are “Obligation” and “Necessity”? We use modal verbs like must, have to, need to, and their negatives to talk about things that are necessary or not necessary. For example, rules, duties, or responsibilities.We can also use them to talk about permission in the present or past. 🔹 1. Obligation in the Present We … Continue reading 🧭 Modal Verbs: Obligation and Necessity