Conditional Sentences Chapter 20 – 1, 2, 3, 4

True in the Present or Future These sentences express situations which are true or factual ideas. In other words cover sentences such us: Si la temperatura alcanza los 0°C, el agua se congela. Si yo no tomo desayuno mañana en la mañana, yo tendré hambre durante las clases. Si llueve, yo debería quedarme en casa. If - Clause Result Clause simple present will + simple form

Si la temperatura alcanza los 0°C, el agua se congela. If - Clause Result Clause simple present will + simple form Si la temperatura alcanza los 0°C, el agua se congela. If the temperature reaches 0°C, water freezes. Si yo no tomo desayuno mañana en la mañana, yo tendré hambre durante las clases. If I don’t eat breakfast tomorrow morning, I will get hungry during class. Si llueve, yo debería quedarme en casa. If it rains, we should stay home.

Untrue (Contrary to Fact) in the Present or Future These sentences express situations which are not true. In other words cover sentences such us: Si yo tuviera un destornillador del tamaño apropiado, yo arreglaría tu bicicleta. Si yo fuera tu, yo aceptaría su invitación. Si yo tuviera suficiente dinero, yo compraría un auto. If - Clause Result Clause simple past would + present

Si yo fuera tu, yo aceptaría su invitación. If - Clause Result Clause simple past would + present Si yo tuviera un destornillador del tamaño apropiado, yo arreglaría tu bicicleta. If I had a screwdriver of the proper size, I would fix your bicycle. Si yo fuera tu, yo aceptaría su invitación. If I were you, I would accept his invitation. Si yo tuviera suficiente dinero, yo compraría un auto. If I had enough money, I would buy a car.

Untrue (Contrary to Fact) in the Past These sentences express situations which are not true, but in the past. In other words cover sentences such us: Si tú me hubieses contado acerca del problema, yo te habría ayudado. Si ellos hubiesen estudiado, ellos habrían pasado el examen. Si hubiese tenido suficiente dinero, yo habría comprado un auto. If – Clause Result Clause past perfect would have + past participle

Si tú me hubieses contado acerca del problema, yo te habría ayudado. If – Clause Result Clause past perfect would have + past participle Si tú me hubieses contado acerca del problema, yo te habría ayudado. If you had told me about the problem, I would have helped you. Si ellos hubiesen estudiado, ellos habrían pasado el examen. If they had studied, they would have passed the exam. Si hubiese tenido suficiente dinero, yo habría comprado un auto. If I had had enough money, I would have bought a car.

Overview of basic verb forms used in conditional sentences Situation If - Clause Result Clause Examples True in the present/future simple present will + simple form If I have enough time, I watch TV every evening. If I have enough time, I will watch TV later on tonight. Untrue in the present/future simple past would + simple form If I had enough time, I would watch TV now or later on. Untrue in the past past perfect would have + past participle If I had had enough time, I would have watched TV yesterday. If – Clause, Result Clause. Result Clause If – Clause.