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Conditional sentences


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Conditional sentences

  1. 1. Conditional Sentences Composed by 2 clauses one that expresses the condition: introduced by the word “if”, commonly known as “if clause”. one that expresses the consequence. Example: If you work hard, you will succeed.
  2. 2. Conditional Sentences There are 3 main types of conditional sentences: Type 1 : probable condition Type 2 : improbable condition Type 3 : impossible condition
  3. 3. Type 1 : Probable Condition Used for actions which are true or likely to happen Examples: If it rains tomorrow, we shall cancel the picnic. You will be tired if you do a lot of exercises. • Note on type 1: If + present tense, future tense
  4. 4. Type 2 : Improbable Condition Used for present or future activities which are improbable or unlikely to happen Examples: If it rained tomorrow, we should stay at home. You could start dinner if it were ready. • Note on type 2: if + past tense, would/should/might + infinitive
  5. 5. Type 3 : Impossible Condition Used for impossible activities which could NOT be true or performed Examples: If it had rained yesterday, I would have stayed at home. What would you have done if you had been attacked by a monster? • Note on type 3: if + past perfect, would/should/might + perfect infinitive
  6. 6. Variations  Mixed conditional sentences. We can form mixed conditionals, if the context permits it, by combining an if- clause from one type with a main clause from another. IF-CLAUSE (type 2) + MAIN CLAUSE (type 1): If she got back late last night, she won’t come to work today. IF-CLAUSE (type 2) + MAIN CLAUSE (type 3) : If you were more sensible, you wouldn’t have spoken to your boss like that. IF-CLAUSE (type 3) + MAIN CLAUSE (type 2): If she hadn’t missed the bus, she would be here now.  Substitute words. We can form conditionals by using words/expressions such as unless, so/as long as, provided/providing, suppose/supposing: Unless you arrive on time you will miss the train; provided/as long as you arrive on time you won’t miss the train.
  7. 7. Summary Conditional sentences are composed by 2 clauses  one that expresses the condition  one that expresses the consequence 3 main types of conditional sentences.  Type 1 : Probable Condition  Type 2 : Improbable Condition  Type 3 : Impossible Condition Variations - Mixed conditionals - Substitute words: unless, so/as long as, provided/providing, suppose/supposing.