Condicionales en inglés

Hay cuatro condicionales en inglés; cero, primero, segundo y tercero.

Las cuatro condicionales en inglés son:

• Cero condicional: solo en relación con hechos o para expresar una verdad general.
• Primera condicional: se usa para hablar sobre sucesos en el futuro que podrían pasar.
• Segundo condicional: se usa para hablar acerca de un futuro hipotético o posible, y en segundo lugar, cosas o situaciones en el presente que son imposibles o totalmente hipotéticas.
• Tercera condicional: se usa para el pasado y es completamente hipotético. También se puede usar para teorizar sobre situaciones imposibles o cosas en el pasado.

Cero condicional

(If + presente simple + presente simple) 

• If you touch the fire, you burn your skin
• If water gets/reaches to 100 degrees Celcius, it boils.
• If children are hurt, they cry.

Primera condicional

(If + presente + will + infinitivo)

• If my teacher comes, she’ll give me my exam results.
• Sam will succeed if he studies and works hard.
• If the weather is nice, we’ll go out to the park for lunch.

Segundo condicional

(If + pasado simple + would + infinitivo)

• If only you knew more about that issue, we would be able to reach our target.
• If I met the President of the United States, I would ask him some questions about the economy.
• You would be able to travel more if you had more money.

Tercera condicional

(If + pasado perfecto + would + have + participio pasado)

• If only my mum had known more about the sciences when she was growing up, so she would have shown more interest nowadays.
• If you had been brought up in a third-world country, you wouldn’t have received a good education.
• They would have seen the world if they had taken more interest in travelling when they were younger.

Nótese que es gramaticalmente correcto en todas las condicionales en inglés (0,1,2,3) invertir las cláusulas sin cambiar el significado

Ejemplo (ambos son correctos).

• They would have seen the world if they had taken more interest in travelling when they were younger.
• If they had taken more interest in travelling when they were younger, they would have seen the world.

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