MUST

MUST

1. WHAT DOES IT MEAN?

   • Basically, "MUST" is a verb that means a thing you have the obligation to do.
     • EXAMPLES
       • AFFIRMATIVE: you must stop your car in the red light
         • They must be having fun at the amusement park
           • TRANSLATION: eles devem estar se divertindo no parque de diversões
         • TRANSLATION: você deve parar o carro no sinal vermelho
       • When used in negative form (MUST NOT - MUSTN'T), it become a prohibition
         • NEGATIVE: you mustn't enter here with your dog
           • TRANSLATION: você não pode entrar aqui com o seu cachorro
       • There isn't a interrogative form neither a past form, to express the idea of obligation or deduction in the past, you should use "HAVE TO"
         • For example: I had to stay at work until 1 p.m. las night
           • Translation: Eu tive que ficar no trabalho até uma da manhã noite passada
         • To express a idea of deduction in the past, you shold use the structure MUST + HAVE + VERB (in past participle)
           • For example: That necklace must have cost more than three thousand dollar
             • Translation: Aquele colar deve ter custado mais de três mil dólares
     • Translating to portuguese, it means "DEVER"
     • It has another meaning, that refers to something that is probably happening, a deduction