SUBJUNCTIVE (3): It + be + adjective + that-clauses
0. Expresiones idiomática
1. objeto + infinitivo con to
2. that-clauses
3. It + be + adjetivo + that-clause
It + be + adjetivo + for + objeto + infinitivo con to
4. be + adjetivo + that-clause
5. let + objeto + infinitivo sin to
6. objeto + -ing
7. subordinadas temporales y condicionales
8. Wish / if only
9. It's time
10. May / might
11. Would rather
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It + be + adjetive + (that) + sujeto + should (en inglés británico)
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It + be + adjetive + (that) + sujeto + infinitivo sin to (en inglés norteamericano)
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• Estas construcciones se usan detrás de oraciones principales que indican posibilidad, imposibilidad, suposición, opinión, necesidad:
| It's a good / bad idea (that) |
Es una buena / mala idea que |
| It's best / worst (that) |
Es mejor / peor que |
| It's crucial (that) |
Es de vital importancia que |
| It's desirable (that) |
Sería deseable que |
| It's essential (that) |
Es indispensable / fundamental que |
| It's funny (that) |
Es divertido que |
| It's (un)fair (that) |
Es (in)justo que |
| It's imperative (that) |
Es imprescindible / preciso que |
| It's important (that) |
Es importante que |
| It's (un)necessary (that) |
Es (in)necesario que |
| It's natural (that) |
Es natural que |
| It's normal (that) |
Es normal que |
| It's (im)possible (that) |
Es (im)posible que |
| It's recommended (that) |
Es recomendable que |
| It's strange (that) |
Es extraño que |
| It's urgent (that) |
Es urgente que |
| It's vital (that) |
Es fundamental que |
It's necessary (that) we should go there.
It's necessary (that) we go there.
(Es necesario que vayamos allí.)
Was it impossible (that) Bob should call home?
Was it impossible (that) Bob call home?
(¿Le fue imposible a Bob llamar a casa?)
It's convenient (that) your friend should take that flight.
It's convenient (that) your friend take that flight.
(Es conveniente que tu amigo coja ese vuelo.)
Recordemos que el tiempo de la oración principal no influye en la construcción de la subordinada:
It's not a good idea (that) he should speak to them.
It isn't a good idea (that) he speak to them.
(No es una buena idea que él hable con ellos.)
It was impossible (that) she should refuse to go.
It was impossible (that) she refuse to go.
(Era imposible que ella se negara a ir.) |
• Con estas expresiones, también se utiliza la construcción, más informal:
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It + be + adjetive + FOR + objeto + infinitivo con to
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It's necessary for us to go there.
(Es necesario que vayamos allí.)
Was it impossible for Bob to phone home?
(¿Le fue imposible a Bob llamar a casa?)
It's convenient for your friend to take that flight.
(Es conveniente que tu amigo coja ese vuelo.)
Esta construcción es bastante frecuente con too (demasiado) y con enough (bastante):
It was too early for them to come.
(Era demasiado temprano para que vinieran.)
It isn't clear enough for the child to understand.
(No está lo bastante claro para que el niño entienda.)
It will be too soon for him to know something.
(Será demasiado pronto para que él sepa algo.)
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