FIRST CONDITIONAL

First conditional

Dead Inside - Muse

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What is a conditional?

A conditional sentence or a part of a sentence that expresses a condition. It usually begins with the words "when," "if" and "unless."

A condition is what must happen before anything else could happen.

It is formed if + present simple + Simple future. It is used when a situation is real or possible: If it rains today, I'll stay at home.

If clause Main clause

If + Present tense will / can / may / must + verb

If it rains today, I'll stay at home

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.

If you spend more than you earn, you'll become a poor man.
Si gastas más de lo que ganas, te convertirás en un hombre pobre.
If they don't invite you, you must not go.
Si ellos no te invitan, no debes ir.
If we don't hurry, we'll miss our bus.
Si no nos apuramos, perderemos nuestro autobus.
If you pay now, you'll get a discount.
Si pagas ahora, obtendrás un descuento.
If they don't want to go out, they can stay home.
Si no quieren salir, se pueden quedar en casa.
If you drink too much, you'll get drunk.
Si bebes demasiado, te emborracharás.
If you feel sick, you must stay in bed.
Si te sientes enfermo, debes quedarte en cama.
If they don't come here, we'll have to go there.
Si ellos no vienen aquí, tendremos que ir allí.