Conditional forms (Oraciones conditionales)

Ejercicio 1: Opción Múltiple

Elige la opción correcta para completar cada oración.

1. If I ________ about the traffic, I would have left earlier.
   a) had known
   b) have known
   c) knew

2. ________ you need any assistance, please don't hesitate to contact me.
   a) Would
   b) Should
   c) Unless

3. If I were you, I ________ that job offer.
   a) will accept
   b) would accept
   c) would have accepted

4. We'll go hiking tomorrow ________ it doesn't rain.
   a) as long as
   b) unless
   c) provided that

5. ________ the emergency exit, we would have been in serious danger.
   a) But for
   b) Unless
   c) If only

6. If she ________ harder, she might have passed the exam.
   a) had studied
   b) studied
   c) would study

7. ________ I the president, I would implement significant changes.
   a) Was
   b) Were
   c) Am

8. You ________ better check the weather forecast before planning the trip.
   a) had
   b) would
   c) should

9. It's high time we ________ a decision about this project.
   a) make
   b) made
   c) would make

10. If you ________ to see John, tell him I need to speak with him.
    a) should happen
    b) would happen
    c) happened

Ejercicio 2: Completa las Condicionales Mixtas

Completa las siguientes oraciones condicionales mixtas con la forma verbal correcta.

1. If I ________ (study) medicine instead of law, I ________ (be) a doctor now.
2. If she ________ (not miss) her flight, she ________ (attend) the conference yesterday.
3. If I ________ (be) more careful, I ________ (not break) the valuable vase.
4. If they ________ (invest) in that company years ago, they ________ (be) millionaires today.
5. If he ________ (listen) to my advice, he ________ (not be) in this difficult situation now.

Ejercicio 3: Transformación con Conectores

Reescribe las siguientes oraciones usando el conector entre paréntesis, sin cambiar el significado.

1. I'll lend you the money only if you promise to pay me back next week. (provided that)
2. We won't go to the beach if it rains. (unless)
3. I didn't call you because I didn't have your number. (if)
4. Without your timely intervention, the situation would have been disastrous. (but for)
5. Take a jacket because it might get cold later. (in case)
6. You can use my computer as long as you're careful with it. (on condition that)
7. If by any chance you see Maria at the party, give her this message. (should)

Ejercicio 4: Inversión en Condicionales

Reescribe las siguientes oraciones usando inversión (omitiendo "if").

1. If I had known about the problem, I would have helped.
2. If you should need any further information, please contact our office.
3. If I were in your position, I would reconsider the offer.
4. If they had arrived on time, they wouldn't have missed the opening ceremony.
5. If you happen to see Peter, tell him to call me.

Ejercicio 5: Corrección de Errores

Algunas de estas oraciones contienen errores en las estructuras condicionales. Encuéntralos y corrígelos.

1. If I would have more time, I would learn another language.
2. Had I knew about the meeting, I would have attended.
3. It's time we leave before the traffic gets worse.
4. I won't forgive him unless he will apologize sincerely.
5. If I was you, I wouldn't trust him so easily.
6. But for your quick thinking, the accident would be much worse.
7. Should you needing assistance, press the red button.
8. We'd better to hurry if we want to catch the last train.
9. If she studied harder, she would have passed the test.
10. I'll accept the job on condition that they offer me a higher salary.

Ejercicio 6: Completa con la Forma Correcta del Verbo

Completa los espacios con la forma correcta del verbo entre paréntesis.

1. If only I ________ (listen) to your advice, I ________ (avoid) so many problems.
2. ________ (be) it not for your support, I ________ (never achieve) my goals.
3. If you ________ (heat) water to 100 degrees, it ________ (boil).
4. I ________ (not mention) it if I ________ (not think) it was important.
5. ________ you ________ (decide) to change your plans, please let me know.
6. It's high time we ________ (address) this issue seriously.
7. If he ________ (take) the job in New York, he ________ (live) there now.
8. You ________ better ________ (check) those figures before submitting the report.
9. If I ________ (be) in your shoes, I ________ (handle) the situation differently.
10. ________ she ________ (call) while I was out, ________ you ________ (take) a message?

Ejercicio 7: Traducción (Inglés > Español)

Traduce las siguientes oraciones condicionales al español.

1. Had I been informed earlier, I could have taken appropriate measures.
2. We'll proceed with the project provided that we receive the necessary funding.
3. But for the bad weather, the event would have been a great success.
4. Should you require any clarification, don't hesitate to ask.
5. It's about time we implemented these changes in our system.

Ejercicio 8: Traducción (Español > Inglés)

Traduce las siguientes oraciones al inglés usando estructuras condicionales avanzadas.

1. De haber sabido la verdad, nunca habría confiado en él.
2. Siempre y cuando cumplas con los plazos, no habrá ningún problema.
3. Si por casualidad ves a mi hermana, dile que me llame.
4. Ya es hora de que tomes en serio tu carrera profesional.
5. De no ser por tu ayuda, nunca habría logrado terminar a tiempo.