The document discusses different types of conditionals in English. The zero conditional uses the present simple tense and refers to general truths and instructions. The first conditional uses the present simple in the if-clause and will/won't in the main clause to refer to possible future events. Future time clauses use the present simple rather than future tense after time words like when, as soon as, until, before and after.
3. The Zero Conditional If the telephone rings , it makes a noise! Water evaporates if you boil it.
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5. If he is angry, his face turns red! If he drinks too much coffee, he doesn’t sleep . Zero Conditional form: If clause – PRESENT SIMPLE + PRESENT SIMPLE
7. If Bart studies harder, he will pass . Use First Conditional : To refer to the future . It is used when there is a possibility that the if-event might happen. It’s a PROBABLE/POSSIBLE condition.
8. First Conditional form: {If (or unless) + present simple} + will/won’t If he doesn’t hurry up , he ’ll be late for work . You’ ll fail the exam if you don’t do more work. Unless = if not. I won’t go to her birthdat party unless she invites me. You can also use an imperative instead of the will clause. Come and see us if you have time next week.
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