CONDITIONAL SENTENCES
by Paco Martínez
1. Type 0 - ZERO CONDITIONAL
1.1. Used for scientific facts or general truths
1.2. IF + PRESENT SIMPE +PRESENT SIMPLE
1.3. If you heat butter, it melts.
2. Type I - FIRST CONDITIONAL
2.1. Used to talk about things which are possible in the present or the future.
2.2. THREE TYPES
2.2.1. a) IF + SIMPLE PRESENT + SIMPLE FUTURE
2.2.2. If you study hard, you will pass your exams.
2.2.3. b) IMPERATIVE + OR/AND + SIMPLE FUTURE Used for threats and promises
2.2.4. Don't say a word about this, or I will kill you.
2.2.5. c) IMPERATIVE + IF / IN CASE +SIMPLE PRESENT
2.2.5.1. Contact me if you need any help.