Zero and first conditional
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This document discusses the different types of conditional sentences in English. There are four types classified based on probability. Type 1, or zero conditional, uses present tense in both clauses to express universal truths. Type 2, or first conditional, uses present tense in the if-clause and future tense in the main clause to discuss possible future events. Type 3, or second conditional, uses past tense in both clauses to talk about unlikely or imaginary situations. Type 4, or third conditional, uses past perfect tense in the if-clause and modal "would have" in the main clause to discuss regret over past hypothetical situations. Examples are provided for each type along with their common uses.
Zero and first conditional
- 2. 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
- 3. Types : There are 4 types of conditional sentences. They are classified according to the degree of probability that they express. Each type of conditional sentences uses different tenses to show the difference in the degree of probability. The order of the two clauses is flexible, it’s not important. But if the if-clause comes first, it must be followed by a comma. If it rains, I’ll stay at home
- 4. Zero Conditional: If /when + present tense ….. / modal Water boils if it reaches 100º First Conditional: If/unless + present,….. Future If I study, I’ll pass Second Conditional: If + past, ……would +inf. If I studied, I would pass Third Conditional: If + past perfect ….. would have + pp If I had studied, I would have passed
- 5. Tense : Present tense in both clauses Example : If you heat water to 100°C, it boils. If you pour oil into water, it floats. Present Tense Present Tense
- 6. Use : Talk about universal truth. If you heat ice, it turns to water To give commands If you are tired, go to bed! In this case the verb in the main clause is an Imperative
- 7. Tense : If-clause ~ Present Tense Main Clause ~ Future Tense If I feel sick tomorrow, I will not go to school. If it rains, the match will be cancelled. Present Tense Future Tense
- 8. Use : To speak about possible or probable future events. If the weather is as sunny tomorrow as it was today, we will go surfing. To make promises or warnings If you forget my birthday, I’ll never speak to you again. Unless is used in negative conditionals Unless we recycle more, we won’t have a better world.
- 9. Present continuous: If he's still waiting for you, he'll be very angry. Present perfect simple: If Rob's received your letter, he'll phone you. Present perfect continuous: If it's been raining all night, you'll have to wear boots. Can: If I can finish work early, I'll help you. Should: If I should see him, I'll tell him the news.
- 10. Exercise One. First Conditionals 1. If you ___________________ (not come), You ________________ (miss ) the show. do not come will miss 2. John __________________ (buy)a car if he _____________ (get) a job. will buy gets 3. Mary ________________(get) a toothache if she_________________ (eat) too many sweets. will get eats
- 11. Other connectors: Type 1 : UNLESS If you don’t phone John, he’ll get very angry. Unless you phone John, he’ll get very angry. Unless can replace If in negative conditionals
- 12. Other connectors: EVEN IF I won’t go to the party even if they beg me IN CASE Take an umbrella in case it rains
- 13. Identifying conditionals I. Choose the correct answer. 1 - If I drink tea in the morning, it makes me feel sick. Zero Conditional First Conditional Second Conditional Third Conditional
- 14. 2 - I'll tell her if she comes. Zero Conditional First Conditional Second Conditional Third Conditional
- 15. 6 - If you work hard enough, you may well pass. Zero Conditional First Conditional Second Conditional Third Conditional 7 – Water boils if you heat it to a hundred degrees celsius. Zero Conditional First Conditional Second Conditional Third Conditional
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