If …… present simple …,…… present simple ……… . Grammar IF 1 - The zero conditional .. If …… present simple …,…… present simple ……… . Example: - If we heat water , it boils . We use the zero conditional to state a general truth or something that always happens ..

1 Example: If ……… present simple ……… , ……… will + inf. ……… - The first conditional .. If ……… present simple ……… , ……… will + inf. ……… We use the first conditional to state something which is possible to happen in the present or future .. Example: - If you make much effort , you will get high marks. If ……… present simple ……… , inf. ……… - If there is danger , call the police . If ……… present cont. ……… , …… will + inf. ……… - If he is coming , I will be happy . If ……… present perfect …… , …… will + inf. …… - If he has come , I will be happy .

1 Example: Notice Example: - The second conditional .. If ……… past simple ………, …… would + inf. ……… . We use the second conditional to state something which is imaginary / unreal or unlikely to happen in the present or future. . Example: - If he didn’t play well , he would lose the match . Notice We can use “ If I were you , I would …… . “ to give advice Example: - If I were you , I would buy a new car .

1 Example: - The third conditional .. If …… past perfect … , …… would have + p.p …… . We use the third conditional to state something which happened in the past .. Example: - If he hadn’t played well , he would have lost the match .

Exercise Choose the correct answer : 1. If it (doesn't rain–won't rain–didn't rain–hadn't rained) tomorrow, I will go for a walk . 2. If we heat metals , they ( expanded – would expand – will not expand – expand ) . 3. You will understand the lesson ( unless – if – in case of ) you listen carefully. 4. If she ( read – reads – had read – will read ) the newspaper, she would have known . 5. If I ( am – were – had been – have been ) you , I would apologize to her . 6. He will pass the test ( except if – unless – if not – only if ) he studies hard . 7. If he arrived early, ( he would – would he – he will – will he ) catch the metro. 8. What ( you will do – would you do – did you do – you did ) if you were rich ? 9. If I were with them , I ( will – may – would – can ) stop the fight . 10. If he had arrived early , ( he would have caught – would he – he would – will he ) the metro .

1. If I felt tired , I will go to bed . Find the mistake in each of the following sentences , then write them correctly : 1. If I felt tired , I will go to bed . 2. If I found any money at school , I will take it to the teacher . 3. I will tell you if I saw anything unusual . 4. Water will freeze if the temperature is zero or below . 5. If you throw that stone , you break a window . 6. If she trains hard , she wins next week's race . 7. If he arrives early , he will catch the bus ? 1. If I felt tired , I would go to bed . /If I feel tired , I will go to bed . 2. If I found any money at school , I would take it to the teacher . / If I find any money at school , I will take it to the teacher . 3. I will tell you if I see anything unusual . / 3. I would tell you if I saw anything unusual . 4. Water freezes if the temperature is zero or below . 5. If you throw that stone , you will break a window . 6. If she trains hard , she will win next week's race . 7. If he arrives early , will he catch the bus ?

Choose the correct answer from a , b , c or d : 1) I think it ......... a great party if the music wasn't so slow . 2) If I ........... a lot of money , I would buy a new bike . 3) What ......... you do if your dog ran away ? 4) He would talk to you if you ..................... nicer to him . 5) If he left on time , he ......... miss the bus . a) 'II be b) 'd be c) would have d) should have a) had had b) had c) have d) have had a) will b) may c) can d) would a) are b) have c) were d) was a) will have b) wouldn't c) would have d) won't have

6) If people ..................... on the moon , they would have been tired and bored 7) If you heat a metal , it .................... . 8)If you ...................... now, you would have been able to catch the 5 o'clock train . 9) ........................ it be too early for you if we were to meet at 9 ? 10) If water boils , it .................... into steam . a) live b) lived c) had lived d) have lived a) expanded b) will expand c) expands d) would expand a) leaves b) are leaving c) had left d) left a) Will b)May c) Can d) Would a) turns b) will turn c) is turning d) would turn

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