Se forma con if + simple present + simple future. Se emplea cuando una situación es real o posible.

IF +  PRESENTE PROGRESIVO + FUTURO SIMPLE	IF + PRESENTE TO BE + FUTURO SIMPLE
IF I AM FAILING, I WON`T GO TO THE PARTY	IF I´M PROFESSIONAL, I WILL HAVE  CASH.

ESTRUCTURA:

If clause	Main clause
If + Present tense	will / can / may / must + verb
If it rains today,	I'll stay at home

EJEMPLOS:

--If it rains today, I'll stay at home.
Si llueve hoy, me quedaré en casa.

--If he is busy now, I will come back tomorrow.
Si está ocupado ahora, regresaré mañana.

--If I have time, I'll visit my parents this afternoon.
Si tengo tiempo, visitaré a mis padres esta tarde.

--If it is warm tomorrow, we'll go to the beach.
Si está caluroso mañana, iremos a la playa.

--If it is cold, you must wear warm clothes.
Si está frío, debes usar ropa abrigada.

--If he doesn't do his homework, he can not go to the party.
Si él no hace su tarea, no puede ir a la fiesta.

--If she doesn't call you, you can call her.
Si ella no te llama, tú puedes llamarla.

--If you work hard, you may become a millonaire someday.
Si trabajas duro, puede que te conviertas en un millonario algún día.

A continuación puedes observar unos vídeos con los cuales esperamos que quede mejor explicado el tema.

Para estar seguros de la comprencion del tema, te pedimos que resuelvas lo siguiente:

1.- If I win the lottery, I _____ (buy) a new car.

  2.-If we spoke better English, we _____ (move) to the United States.

  3.- If it _____ (rain), we should go to the movies.

  4.- They _____ (wait, not) in the rain, had you called them to tell them you were going to be late.

  5.-If Peter _____ (work) less, he would have more time to study.

  6.-It would have been a nice holiday, if I _____ (break, not) my leg.

RESPESTAS

ü  will buy

ü  would move

ü  Rains

ü  wouldn't have waited

ü  worked

ü  hadn't broken