1. CONDITIONAL SENTENCES
Oración condicional: 2 proposiciones.
Condicional con “if” / “unless” , principal.
If I study, I will pass the exams. Negative. Unless.
Principal (sin coma) condicional .
I will pass the exams if I study.

2. FIRST CONDITIONAL 1
Situación real o posible en el presente o futuro .
Present simple en la condicional .
Principal: will + inf / imperative / can, may + inf
Examples
If I study, I will pass the exams.
If you see John tonight, tell him to e­mail me.
If Ben gets up early, he can catch the bus.

3. SECOND CONDITIONAL 2
Situaciones irreales o imaginarias. Consejo.
Past simple en la condicional.
Principal : would / could / might + inf
Examples
If I lived on the coast, I would go to the beach at the
weekends.
If you worked harder, you could get better marks.

4. THIRD CONDITIONAL 3
Situaciones pasadas que lamentamos o criticamos.
Past perfect en la condicional.
Principal: would + have + past participle
could
might
Examples:
If I hadn't revealed the secret, my friend wouldn't have
got angry.

5. TIME SENTENCES = COND 1
Time sentences : 2 clauses
Time clause, main clause.
Main clause time clause.
Time connectors: when, as soon as, once, by the time,
until, before, after.
Verbs = First conditional.
When / as soon as I get home, I ' ll call you.