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Zero & First Conditional

Zero & First Conditional

Referencia gramatical

Forma Ejemplo
ZeroIf + presente, + presenteIf water boils, it becomes steam.
FirstIf + presente, + will + verbo baseIf it rains, I will stay home.
Regla claveNUNCA "will" en la cláusula "if"If it rains (NO if it will rain)
Comacláusula "if" primero → coma · principal primero → sin comaIf it rains, I'll stay. / I'll stay if it rains.
Unlessa menos que (= if not)Unless you hurry, you'll be late.

Zero & First Conditional — Ejercicios

Completa con la forma correcta

Usa el presente simple o will + verbo. El verbo está entre paréntesis.

  1. Si suspendo mis exámenes, yo ellos otra vez el año que viene. (take)
  2. Llegarán tarde al trabajo a menos que ellos . (hurry)
  3. Llámame si tú algo de ayuda con tu tarea. (need)
  4. Si entregas tu proyecto tarde, el profesor . (not mark)
  5. Pregúntame si tú qué hacer. (not know)
  6. Mi primo la universidad el año que viene si aprueba todos sus exámenes. (finish)

Elige la forma correcta

Marca la opción correcta.

  1. If I don't go / won't go to bed right now, I won't be able / 'm not able to get up.
    (don't go / won't be able / won't go / 'm not able) 
  2. I'll buy / I buy some bread if the bakery is / will be still open.
    (I'll buy / is / I buy / will be) 
  3. You'll pass / You pass your test if you don't forget / won't forget your lucky pen.
    (You'll pass / don't forget / You pass / won't forget) 
  4. We'll phone / We phone my mum after the exam if we need / will need a lift home.
    (We'll phone / need / We phone / will need) 
  5. You won't feel / You don't feel cold if you put / will put this sweater on.
    (You won't feel / put / You don't feel / will put) 

IF o UNLESS?

Escribe if o unless.

  1. No podemos ir a nadar para la lluvia.
  2. Mi madre cocinará decidan salir a comer.
  3. conduces con más cuidado, tendrás un accidente.
  4. Se perderá alguien le muestra el camino.
  5. No puedes ver la tele termines tu tarea.
  6. no te das prisa, llegarás tarde al colegio otra vez.
  7. No puedes viajar al extranjero no tengas pasaporte.
  8. Mis padres estarán enfadados apruebe mis exámenes.
  9. Debería estar allí a las 11 no haya tráfico.

Completa las oraciones First Conditional

Completa cada oración con las formas verbales correctas.

  1. If we (not / go) now, we (not / be able) to catch the last train.
  2. I (buy) the tickets if the website (be) responsive.
  3. You (pass) the exam if you (not / forget) to review these structures.
  4. We (phone) you if we (need) more information.
  5. You (not / feel) cold if you (put on) a warm jacket.

IF o UNLESS?

Elige if o unless según el sentido de la oración.

  1. You won't pass the exam _____ you study harder.
    (unless / if) 
  2. I'll leave at 8am _____ there is heavy traffic.
    (unless / if) 
  3. We will stay at home _____ it rains.
    (if / unless) 
  4. Don't call me _____ it's an emergency.
    (unless / if) 
  5. She won't buy the dress _____ it's on sale.
    (unless / if) 
  6. I will help you _____ you need assistance.
    (if / unless) 
  7. We can go for a walk _____ the weather is nice.
    (if / unless) 
  8. He will bring an umbrella _____ it looks like rain.
    (if / unless) 
  9. They will visit us _____ they have time.
    (if / unless) 

Completa los dos verbos de la condicional

Escribe la forma adecuada de cada verbo.

  1. If I (go) to London, I (visit) the British Museum.
  2. If she (do) well in the interview, she (get) the job.
  3. He (not / eat) the soup if it (contain) mushrooms.
  4. We (drive) you home if you (ask) us.
  5. They (phone) us if the flight (be) delayed.

Zero & First Conditional — Respuestas

Completa con la forma correcta

  1. will take
  2. hurry
  3. need
  4. won't mark
  5. don't know
  6. will finish

Completa las oraciones First Conditional

Completa cada oración con las formas verbales correctas.

  1. If we (not / go) now, we (not / be able) to catch the last train.
  2. I (buy) the tickets if the website (be) responsive.
  3. You (pass) the exam if you (not / forget) to review these structures.
  4. We (phone) you if we (need) more information.
  5. You (not / feel) cold if you (put on) a warm jacket.

IF o UNLESS?

Elige if o unless según el sentido de la oración.

  1. You won't pass the exam _____ you study harder.
    (unless / if) 
  2. I'll leave at 8am _____ there is heavy traffic.
    (unless / if) 
  3. We will stay at home _____ it rains.
    (if / unless) 
  4. Don't call me _____ it's an emergency.
    (unless / if) 
  5. She won't buy the dress _____ it's on sale.
    (unless / if) 
  6. I will help you _____ you need assistance.
    (if / unless) 
  7. We can go for a walk _____ the weather is nice.
    (if / unless) 
  8. He will bring an umbrella _____ it looks like rain.
    (if / unless) 
  9. They will visit us _____ they have time.
    (if / unless) 

Completa los dos verbos de la condicional

Escribe la forma adecuada de cada verbo.

  1. If I (go) to London, I (visit) the British Museum.
  2. If she (do) well in the interview, she (get) the job.
  3. He (not / eat) the soup if it (contain) mushrooms.
  4. We (drive) you home if you (ask) us.
  5. They (phone) us if the flight (be) delayed.