Third Conditional

Third Conditional, también -Type III- Refiere a una situación hipotética del pasado y se forma según la estructura : if + past perfect + conditional perfect. Aquí tienes algunos ejemplos traducidos.

If clause	Main clause
If + Past Perfect tense	would/could/might + have + past participle
If I had won the lottery,	I would have traveled around the world.

If I had won the lottery, I would have traveled around the world.
Si yo hubiera ganado la lotería, habría viajado por todo el mundo.

If I had seen him, I would have told him about you.
Si lo hubiese visto, le habría contado acerca de ti.

If I had known the answer, I would have raised my hand.
Si hubiese sabido la respuesta, habría levantado mi mano.

If she had come on Saturday, I would have seen her.
Si ella hubiese venido el sábado, la habría visto.

If they had left earlier, they would have arrived on time.
Si ellos hubiesen salido más temprano, habrían llegado a tiempo.

If we had studied harder, we might have passed the test.
Si hubiésemos estudiado más duro, podríamos haber aprobado la prueba.

If you had gone to Brazil, you would have had lots of fun.
Si tu hubieses ido a Brasil, habrías tenido mucha diversión.

If I hadn't been so busy, I could have helped you.
Si no hubiese estado tan ocupado, te podría haber ayudado

If you had phoned me, I would have known you were here.
Si tu me hubieses telefoneado, habría sabido que estabas aquí.

If they had invited us, we would have accepted at once.
Si ellos nos hubiesen invitado, habríamos aceptado de inmediato.

If she had explained me the problem, I would have understood it.
Si ella me hubiese explicado el problema, lo habría entendido.

Second Conditional 

Refiere a una situación hipotética y se forma según la estructura if + simple past + simple condicional. Aquí tienes algunos ejemplos traducidos.

If clause	Main clause
If + Past Simple	would / could / might + verb
If I won the lottery,	I would travel around the world.

If I were in Brazil, I would go to Rio de Janeiro.
Si yo estuviese en Brasil, iría a Río de Janeiro

If I were you, I would buy that car.
Si yo fuese tú, compraría ese auto.

If he were in my place, he wouldn't do this.
Si él estuviese en mi lugar, no haría esto.

If I had more money, I would buy a nice apartment.
Si yo tuviese más dinero, me compraría un lindo apartamento.

If she had more time, she would travel more often.
Si ella tuviera más tiempo, viajaría más a menudo.

If it were not raining, we could go out.
Si no estuviese lloviendo, podríamos salir

If we didn't have to work today, we could have a picnic.
Si no tuviésemos que trabajar hoy, podríamos tener un picnic

If they won the lottery, they wouldn't work any more.
Si ellos ganaran la lotería, no trabajarían más.

If I saw her, I would ask her out.
Si la viera, la invitaría a salir.

If you went to Brazil, you wouldn't want to come back.
Si fueras a Brazil, no querrías regresar.

If they spoke Spanish, we would understand them.
Si ellos hablasen español, los entenderíamos.

If he didn't live by the river, he couldn't go fishing.
Si el no viviera cerca del río, no podría ir a pescar

If I didn't want to go, I would tell you.
Si no quisiera ir, te lo diría.

First Conditional

Zero Conditional

Este condicional refiere a una situación que es siempre verdadera (verdades universales): If you freeze water, it turns into ice.

If clause	Main clause
If + Present tense	Present tense
If you freeze water	it turns into ice.

If you freeze water, it turns into ice.
Si congelas el agua, se convierte en hielo.

If I work too much, I get tired. 
Si trabajo demasiado, me canso.

If I have time, I usually go to the movies.
Si tengo tiempo, generalmente voy al cine.

If she eats hamburgers, she gets an allergy.
Si ella come hamburguesas, le da alergia.

If they come here, they always bring a present.
Si ellos vienen aquí, siempre traen un regalo.

If she doesn't know the answer, she keeps silent.
Si ella no sabe la respuesta, se mantiene en silencio.

If we don't go out on Saturdays, we rent a video and stay home.
Si no salimos los sábados, alquilamos un video y nos quedamos en casa.

CONDITIONALS

THE CONDITIONALS 

Los "condicionales"  son ciertas estructuras del ingles  en las cuales,  sin cierta condición, situación o circunstancia  es verdadera, entonces un resultado especifico. Algunos tipos de condicionales son:

• Zero Conditional: Situación siempre verdadera.  Ej:  If you freeze water, it turns into ice.
• First Conditional: Situación real o posible. Ej: If it rains today, I'll stay at home.
• Second Coditional:  Situación hipotética. EJ:  If I won the lottery, I would travel around the world.
• Third Conditional: Situacion hipotética del pasado.  Ej: If I had won the lottery, I would have traveled around the world.