Usando os Verbos Modais para falar sobre probabilidade no passado e presente
1: Talking about the present: must / might / could / may / can't must + infinitive might / might not + infinitive could / could not + infinitive may / may not + infinitive can't + infinitive For example: I am waiting for Julie with another friend, David. I ask: 'Where is Julie?' David guesses: She must be on the bus. (I'm fairly sure this is a good guess) She might come soon. (maybe) She could be lost. (maybe) She may be in the wrong room. (maybe) She can't be at home. (I'm fairly sure this isn't true) Notice that the opposite of 'must ' is ' can't in this case. Will / won't We use will and won't when we are very sure: She'll be at work now. Should / shouldn't Should and shouldn't are used to make an assumption about what is probably true, if everything is as we expect: They...