Oración subordinada condicional

Subordinate clauses of condition

Subordinate clauses of condition are clauses that introduce a condition that must be fulfilled in order for the action in the main clause to happen. 

They are introduced by connective words such as:

si, a condición de que, con tal de que, siempre que, a no ser que...

Here are some examples:

Si vas a la playa, no tomes el sol demasiado.If you go to the beach, don't sunbathe for too long.

Clara le paga el curso con tal de que él estudie todos los días.Clara is paying for his course provided he studies everyday.

Let me take a look at that...