freddysku99
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Concetti Chiave

  • "Should" is used to offer advice, express a weak obligation, or indicate probability, suggesting actions that are advisable but not mandatory.
  • "Must" conveys a strong obligation or high probability, indicating actions that are necessary or highly likely to occur.
  • "Must not" indicates prohibition, meaning something is not allowed or is forbidden.
  • "Have to" expresses a requirement or necessity, similar to "must," indicating an obligation.
  • The strength of obligation varies: "must" is stronger than "should," and "have to" also implies necessity.

Indice

  1. Uso di should per consigli
  2. Obblighi e probabilità con should
  3. Uso di must per obblighi
  4. Divieti e obblighi con must

Uso di should per consigli

Should is used to give advice, to express an obligation, or to indicate a probability. For example, in

this sentence, the speaker uses should to refer to something he believes that Peter should do; in

other words, to give advice.

Ex: In addition to carrying out all of the tasks included in his job description, Peter fixes any

technological problems that come up in the office and he takes care of all of the scheduling of

appointment. Considering all of the work that he does, he makes too little money and should

request a raise.

Obblighi e probabilità con should

Here, should indicates a weak obligation. It indicates an obligation less strongly than must or have

to.

Ex: My husband should go to maternity class with me. It's important for fathers to be involved in their

children's lives, even during pregnancy.

The following uses of should express probability. The weather report indicated that a sunny day was

probable, but the speaker knows that if it rains it's likely that the game will be postponed.

Ex: The weather report said that it should be sunny this afternoon, but looking at those dark clouds in

the horizon, I think it will storm later. If there's any thunder, they should call off the softball game.

Uso di must per obblighi

Must expresses obligation or probability. For example, here must indicates an obligation, something

that has to be done. When expressing obligation, it is stronger than should.

Ex: All travellers must fill out the customs forms before they get to immigration, and they must

declare any fruit or vegetables in their luggage.

In this example must indicates a probability. It's highly likely that someone would be tired after

working for sixteen hours straight!

Ex: After her eight-hour shift at the hospital, Angela agreed to cover for her colleague whose son is at

home sick. She must be exhausted after working two eight-hour shifts in a row without any break.

Divieti e obblighi con must

Must not means that something is prohibited as in the following example:

Ex: The children must not drink soda this late in the day, or they will be up all night. Juice or milk

would be healthier for them anyways.

Lastly, have to indicates an obligation:

Ex: Francis has to finish his homework before he can come out and play, because his parents were

upset when his teacher told them that he hasn't been completing his assignments.

Domande da interrogazione

  1. ¿Cuál es la diferencia entre "should" y "must" en términos de obligación?
  2. "Should" indica una obligación débil, mientras que "must" expresa una obligación más fuerte y necesaria.

  3. ¿Cómo se utiliza "should" para expresar probabilidad?
  4. "Should" se usa para indicar que algo es probable, como en el caso de un pronóstico del tiempo que sugiere que debería estar soleado.

  5. ¿Qué implica "must not" en una oración?
  6. "Must not" significa que algo está prohibido, como en el ejemplo de que los niños no deben beber refrescos tarde en el día.

  7. ¿En qué contexto se utiliza "have to"?
  8. "Have to" se utiliza para indicar una obligación, como cuando Francis tiene que terminar su tarea antes de poder salir a jugar.

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