traducir MUST: deber, tener que, deber, tener que, deber de, deber, deber. Más información en el diccionario inglés-español. Identify the function of must in the following sentence: "Jonathan, you must have driven through the night to have arrived so early!". a) To introduce or emphasize an opinion or sentiment. b) To indicate a strong intention. c) To express necessity. d) To express a certainty or high probability. MUST, MUST NOT, CAN'T + You must study everyday. He must work on Sunday. - He must not get up late. You can't eat in the classroom. You cannot eat in the classroom. USE: Use must to talk about rules and obligations. You must clean your bedroom. Use can't/must not to say something is prohibited. You must not eat in class. You are not allowed to use your mobile phones. (NOT It isn't allowed to use …) It is (not) permitted to. We can use it + be (not) permitted to +infinitive to express permission or prohibition in formal or official situations, to say what the rules or laws are. It is not permitted to take photos of the archive documents. Picnics are not Vay Tiền Nhanh Chỉ Cần Cmnd.

use of must and must not