Unit 7.2

Should: Verbo Auxiliar Modal


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Introduction

Un verbo modal [modal verb] es un tipo de verbo auxiliar (ayudante) que no tiene significado por sí solo sino modifica el verbo principal, cambia su significado y da más detalles sobre la acción.

Should es un tipo de verbo auxiliar modal utilizado para expresar obligación y deber a través de consejos o recomendaciones.

Form

Should siempre tiene la misma forma incluso para la tercera persona del singular, y encontramos su estructura de tres formas.

Afirmativo

Su estructura, en la forma afirmativa, es:
Subject + should + verb + …

Subject should Verb
I/You should work
He/She/It should work
We/You/They should work

Negativo

Su estructura, en la forma negativa, es:
Subject + should + not + verb + …

  • La forma abreviada de la forma negativa es: shouldn’t.
Subject should + not Verb
I/You should not work
He/She/It should not work
We/You/They should not work

Interrogativo

Su estructura, en la forma interrogativa, es:
Should + subject + verb + …?

Should Subject Verb Question
Mark
Should I/you work ?
Should he/she/it work ?
Should we/you/they work ?

Example

  1. Obligación/deber más débil
    • I should never be late to school again!
    • He shouldn’t talk to his classmates during the exam.
    • We should always wear a seat belts whilst driving a car.
  2. Consejos (recomendación)
    • You should be quiet when you visit a public library.
    • She shouldn’t revise the parts that are not to be examined.
    • Should we memorise this rule?

Use

Se puede considerar should cuando:

  • Indicamos obligación o deber más débil;
  • Damos y pedimos consejos (recomendación).

Should puede considerarse no tan fuerte como must:

Summary

El verbo modal [modal verb] should expresa obligación o consejos más débiles. Se puede considerar como menos fuerte que must.

Podemos usarlo en tres estructuras diferentes:

  • Afirmativo: Subject + should + verb + …
  • Negativo: Subject + should + not + verb + …
  • Interrogativo: Should + subject + verb + …?

Por ejemplo:
— Afirmativo: «You should do your homework to understand the subject.» = Usamos should para dar consejos de manera amigable.
— Negativo: «You shouldn´t do your homework to understand the subject.» = Usamos shouldn’t para dar consejos de manera amigable.
— Interrogativo: «Should you do your homework to understand the subject?» = Usamos should? para pedir confirmación o consejos.
♦ «You must do your homework or you will fail the class.» = Must expresa obligación más fuerte.

Vamos a revisar este contenido dentro de la sección {Form}. Echa un vistazo a la sección {Example} que muestra su uso en contexto.

Exercises


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