The document discusses different types of conditional clauses in English. It introduces conditional clauses with "if" that express conditions that may or may not happen. It also describes zero conditionals, which express real facts, and type I conditionals, which express possible events. Examples are provided to illustrate each type of conditional clause.

1. CONDITIONAL CLAUSES IF introduces a condition – something which may or may not happen, depending on circumstances . If it rains , we will stay at home If you don’t study , you won’t pass. the MAIN clause presents the results We will stay at home if it rains

2. Zero conditional They present real facts, scientific truths IF + SUBJECT+PRESENT, / SUBJECT+PRESENT If you heat water to 100 degrees , It boils If you heat ice, it melts

3. CONDITIONAL I When something is possible now or in the future If + PRESENT SIMPLE / WILL + INFINITIVE Example: If she studies, she will pass the Geography test. (It is possible!!)

4. 1.MAKE ZERO CONDITIONALS USING THESE PROMPTS If you don’t eat, you die If it doesn’t rain, the grass doesn’t grow Ice floats if you drop it into water If you put oil into water, it floats My teacher gets angry if I am late. You / not / eat / you / die b. If / no / rain / the grass / not / grow c. Ice / float / you / drop / it / in water d. you/ put / oil / into / water / it / float e. My teacher / get /angry/ I / be / late

5. CONDITIONAL I - EXERCISES Match the sentences on the right with those on the left If my mother lets me stay out late If ATMadrid plays today If you cook tonight If we eat out tonight If I’m sick If we invite her if I have a party If it’s sunny this weekend If it rains this weekend If I go out tonight We’ll go to the best restaurant I’ll be the happiest person in the world I won’t eat I’ll stay in bed They will win the championship I’ll go to the theatre I’ll stay at home She’ll be happy Will you come? Where will we go?

6. SOLUTIONS If I go out tonight, I ‘ll go to the theatre If it rains this weekend, I’ll stay at home If it is sunny this weekend, where will we go ? If I have a party, will you come? If we invite her, she ‘ll be very happy If I’m sick , I’ll stay in bed If we eat out tonight, we’ll go to the best restaurant If you cook tonight ,I won´t eat. If At.Madrid plays today, they will win the championship If my mother lets me stay out late tonight, I’ll be the happiest person in the world

7. ► UNLESS = IF NOT If it do es n’t rain, We will go out for a walk UNLESS It rain s , we will go out for a walk ► CAN YOU MAKE A SENTENCE BY LOOKING AT THE PICTURES? If I _______(not have) money I won’t go to the beach UNLESS I have money, I won’t go to the beach ► REWRITE THESE SENTENCES USING UNLESS If we do n’t finish soon, we will miss the train If he do esn’t swim , he won’t go to the swiming pool

8. CONDITIONALII (HYPOTHETICAL) This type of conditional clause shows a hypothetical situation. It could happen but it isn’t probable . If + PAST SIMPLE / WOULD + INFINITIVE If I won the lottery , I would buy a car immediately If I were taller, I would be a basketball player ( In fact, I’m too short to be a basketball player) ► SPECIAL RULES : TO BE IS ALWAYS WERE If he were here , he would help me ( but he isn’t here, so he can’t help me)

9. Write the sentences using the conditionals II If I ……….(BE ) ,I …………(BUY) a If Alonso ……… (HAVE) a faster , he ………..(WIN) the race. If it …………( NOT/RAIN) , we ………….(GO) for a walk in the CHECK YOUR ANSWERS If i were rich, I would buy a big house If Alonso had a faster car, he would win the race If it didn’t rain cats and dogs, we would go for a walk in the park.

10. Write the verbs in brackets into the gaps in Conditional II . If they……..(HAVE) enough money, they …….(BUY) a new car. 2. If he ……..(BE) my friend, I ………..(INVITE) him. 3. The Smiths ……….(GO) on holiday if they ………..(HAVE) time. 4. If Susan ………..(STUDY) harder, she ………(BE) better at school. 5. We ……….(CALL) the police if we ……….(SEE) a burglar. 6. If the pupils ……….(HAVE) no school, they …………(PLAY) football. 7. If I …………(COME) home early, my father …… (not/be) angry. 8. If I………… (be) you, I………….. (not/ go) to the party.