Dominio de Verbos Modales, Voz Pasiva y Condicionales en Inglés
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Verbos Modales
- Can: Habilidad, posibilidad, petición, permiso, oferta.
- Can't: Incapacidad, fuerte incredulidad, prohibición (is not possible).
- Be able to: Habilidad, posibilidad.
- Must: Necesidad, obligación, fuerte creencia (I'm sure).
- Mustn't: Prohibición (aren't allowed).
- Have to / Need to: Necesidad / obligación.
- Don't have to / Don't need to / Needn't: Falta de necesidad u obligación (it isn't necessary).
- Should / Ought to: Consejo (advise / it is a good idea to...).
- May / Might: Posibilidad (perhaps).
- May: Petición educada, permiso, oferta (it is possible that...).
- Could: Habilidad en el pasado, posibilidad, petición educada.
- Would: Solicitud formal, oferta.
Modales Perfectos (Pasado)
- Should have / Ought to have: Crítica o arrepentimiento por un evento pasado.
- Shouldn't have: Crítica o arrepentimiento por un evento pasado.
- Could have: Posibilidad de haber hecho algo, pero no se hizo.
- Can't / Couldn't have: Certeza de que algo era imposible.
- May / Might have: Posibilidad de que algo fuera cierto.
- Must have: Certeza de que algo era verdadero.
- Should have: Disposición de haber hecho algo, pero no se hizo.
- Needn't have: Acción innecesaria en el pasado.
Relative Clauses
- Pronombres: who, which, when, that, where, whose.
- Defining: No llevan comas.
- Non-defining: Llevan comas y no se utiliza that.
- Ejemplo: The man to whom he talked was the manager.
Voz Pasiva (Passive Voice)
| Activa | Pasiva |
|---|---|
| Serves | Are served |
| Is serving | Are being served |
| Served | Were served |
| Was serving | Were being served |
| Has served | Have been served |
| Had served | Had been served |
| Will serve | Will be served |
| Will have served | Will have been served |
| Must serve | Must be served |
| Must have served | Must have been served |
| Has to serve | Have to be served |
| Is going to serve | Are going to be served |
Causative
Estructura: have/get + object + past participle
Condicionales
- 0: If + presente + presente (situaciones reales o habituales).
- 1: If + presente + will + infinitivo (situaciones posibles en el futuro).
- 2: If + past simple + would + infinitivo (situaciones hipotéticas poco posibles en el presente o futuro).
- 3: If + past perfect + would have + participio (situaciones hipotéticas en el pasado que no se cumplieron).
Expresando Deseos
- I wish / If only + past simple
- I wish / If only + would / could + base form of verb
Tiempos Perfectos Continuos
- Present perfect continuous: have/has + been + verb + ing
- Past perfect continuous: had + been + verb + ing