Conditional sentences
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This document discusses conditional sentences and their different types. There are 4 types of conditional sentences classified according to their implications and the tenses used. Type 0 uses present tense in both clauses and refers to universal truths. Type 1 uses present tense in the if-clause and future tense in the main clause to talk about probable present or future cases. Type 2 uses past tense in the if-clause and "would" in the main clause to talk about improbable present or future cases. Type 3 uses past perfect tense in the if-clause and "would have" in the main clause to talk about impossible past cases.
Conditional sentences
- 1. Conditional Sentences Structure : A conditional sentence is composed of 2 parts : If-clause + Main Clause Example : If it rains tomorrow, we will not come. If-clause Main Clause
- 2. Conditional Sentences Types : There are 4 types of conditional sentences. They are classified according to their specific implications. Each type of conditional sentences uses different tenses to show the difference in their implications.
- 3. Conditional Sentences Type 0 : Use : Talk about universal truth. Tense : Present tense in both clauses Example : Present Tense Present Tense If you heat water to 100°C, it boils. If you pour oil into water, it floats.
- 4. Conditional Sentences Type 1 Use : Talk about a present or future probable case. Tense : If-clause ~ Present Tense Main Clause ~ Future Tense Example : Present Tense Future Tense If I feel sick, I will not go to school. If it rains tomorrow, the match will be cancelled.
- 5. Exercise One do not come will miss 1. If you ___________________ (not come), You ________________ (miss ) the show. will buy 2. John __________________ (buy)a car if he gets _____________ (get)a job. gets eats 3. Mary ________________(get) a toothache if she_________________ (eat) too many sweets.
- 6. Conditional Sentences Type 2 (Present Subjunctive) Use : Talk about a present or future improbable case. (A case that is unlikely to happen) Tense : If-clause ~ Past Tense Main Clause ~ would + an infinitive Example : Past Tense Would + infinitive If he were a bird, he would fly across the harbour. If I had $200,000 now, I would buy a car.
- 7. Conditional Sentences Type 3 (Past Subjunctive) Use : Talk about a past, impossible case Tense : If-clause ~ Past Perfect Tense Main Clause ~ Would + Present Perfect Example :Form Past Perfect Tense Would + Present Perfect Form If I had had enough money, I would have bought the camera yesterday. If I had come home earlier, I would not have missed the programme.
- 8. Exercise Two were 1. If I ________________ (be) four years old, I would learn ________________ (learn) to play the piano. had not failed 2. If I ________________ (not fail) in the would have bought examination, my mother_______________ (buy) me a new computer. would have finished had had 3. We ________________________ (finish) if we ________________ (have) better preparation.
- 9. Conditional Sentences SHOULD may replace IF in type 1 Variations: Type 1I f: you see John, ask him to come and see me. Should you see John, ask him to come and see me. COULD or MIGHT may replace WOULD Type 2 : If I were an aeroplane, I could fly in the sky. Were I an aeroplane, I could fly in the sky. WERE may replace IF in an inversion
- 10. Conditional Sentences Type 3 : If I had come home earlier, I would not have missed the programme. Had I come home earlier, I would not have missed the programme. HAD may replace IF in an inversion
- 11. Conditional Sentences But for+ a noun may replace `If it were not for’ Type 2 & Type 3 : If it were not for the rain, we would go to Shatin. (Type 2) But for the rain, we would go to Shatin. If it had not been for the traffic jam, we would have arrived on time. (Type 3) But for the traffic jam, we would have arrived on time. But for + a noun may replace `If it had not been for’
- 12. The Subjunctive Mood Other sentences than the conditional may bear the subjunctive mood. a. Wish (v) Type 2 Type 3 I wish I were a (But I am king. I wish she had left lansot t!) night. (But she didn’t!) * Non-subjunctive use of wish I wish to travel to Europe next year We wish you a happy birthday.
- 13. The Subjunctive Mood b. If only If only I were you! If only he were born in the USA! (He was not born in USA) If only she had left last night! (She did not leave last night) Type 2 Type 2 Type 3
- 14. The Subjunctive Mood b. Would rather I would rather you came earlier. (But you come late.) Type 2 I would rather he had told me the secret. (But he didn’t.) Type 3 * Non-subjunctive use of would rather A : Do you want to go fishing today? B : I would rather stay at home and take some (rBes pt.refers staying at home to going fishing)
- 15. The Subjunctive Mood d. Lest (Conjunction) He put the money in the safe lest someone should / might steal it. e. It is (high) time Past Tense It is (high) time you studied hard. (You have not studied hard. Now the examination is near, so you have to study very hard.) It is time for you to leave (non-subjunctive)
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