Expressing Prohibition:Must Not
"Must not" is a strong way to express prohibition in English. It indicates that something is strictly forbidden or not allowed. It carries a stronger sense of "no" than "don't have to" (which just means it's not necessary). Here's a breakdown: Meaning: "Must not" means something is absolutely prohibited. It implies a rule, regulation, or strong advice against doing something. It often carries a sense of potential negative consequences if the rule is broken. Structure: Subject + must not + base verb Examples: You must not park here. (This implies a parking regulation.) Students must not use their phones during class. (This is a school rule.) We must not forget to lock the door. (This is strong advice to avoid a negative consequence.) He must not drive after drinking alcohol. (This is a legal and safety issue.) Contraction: "Must not" is often contracted to "mustn't." For example: ...