B1A conversation you can use
How to write a first-day guide in English (B1 pre-intermediate): have to, don’t have to, mustn’t and tips with reasons
A B1 pre-intermediate (A2–B1) guide to writing first-day tips in English: to + verb for purpose, verbs followed by to or -ing, and have to, don’t have to and mustn’t for rules, choices and things that are not allowed.

















