if clause

เร่ือง If Clause รายวชิ าภาษาองั กฤษ6 (อ23102) ของ นางลดารตั น์ กจิ คุณธรรม กลุม่ สาระการเรียนร้ภู าษาตา่ งประเทศ โรงเรยี นสามรอ้ ยยอดวทิ ยาคม อาเภอสามร้อยยอด จ.ประจวบคีรขี นั ธ์ สานกั งานเขตพื้นท่ีการศึกษามธั ยมศกึ ษา เขต 10

อาเภอสามรอ้ ยยอด จ.ประจวบคีรีขนั ธ์ สานกั งานเขตพนื้ ท่ีการศกึ ษามธั ยมศึกษา เขต 10 คาแคนาแะนนะานกาากราใรชใช้แ้แบบบบฝฝึกึกเเสสรริมิมททักษักะษสะาสหราับหนรักับเรนียักนเรียน ในกใานรกศาึกรษศาึกแษบบาแฝึกบชบุดฝนึก้ี เชปุด็นนกี้าเรปศ็นึกกษาารดศ้วึกยษตนาเดอ้วงยดตังนนเ้ันอนงักดเรังียนนั้นนักเรียนควร ปปนคฏวิบรัตปิตฏาิบมัตขิตั้นามตขอ้ันนตอดนังนดี้ ังนี้ 1423....2143.ททศศ...ขทศศทึกกึาาขอแแกึกึษษาาองบแบแษษตาางบบใจบบตนาาบดุจใบบนทฝเบคอดุปทฝึกเดคองวปรกึดสาEงวะรสอมาxEสะอบมeรxสงบู้กreรคงตcู้ก่อrค์กiตวัcs่อนก์าอiัวesนรเาอยeรเร1เยา่รียรเ-1งีย่ารนีย5-งนยีนก5จนรกอ่อาจู้ขรอ่นอยนาูข้อนยา่ลนวองง่าลงนแวงรมงงนแบอรมือ1บอบบือ0ท1บบฝค0ทาขฝคึกอแาขอ้ึกเอบบแสอ้เบแบบเสรพลแบเมิฝรพ่อืะลมิทฝกึ ื่อปดะทึกหกั ปด้วรหกัษัดยะว้รษดัะคยเะมะคเวมนิ าวินคมาคมวซาวซอื่ มาอ่ืสมรสัตู้พรตัย้พูนื้ ต์ย้ืนฐต์่อาฐอ่ตนาตนนนเอเองง ไม่ดูเฉไมลด่ ยูเกฉอ่ลนยทกาอ่ แนบทบาฝแึกบบฝึก 5.5ท. ทาแาบแบบบททดดสสออบบหหลลังเงั รเียรยีนนจาจนานวนวน1010ขขอ้ อ้ ออยา่ยงา่ รงอรอบบคคออบบแลแะลดะด้วย้วคยควาวมาม ซซ่ือ่ือสสัตัตย์ย์ ตอ่ ตนเซออ่ืงสไมตั ยด่ ์ตเู ฉ่อลตยนกเอ่อนงทไมาแด่ บูเฉบลทยดกสอ่ อนบทาแบบทดสอบ 6.6.ตตรวรจวคจคาตาตออบบจาจกากเฉเลฉยลยเปเปรียรบียบเทเทยี บยี บคคะแะนแนนนกกับับกการาทรทดดสสออบบกกอ่ ่อนนเรเยีรนยี น เพ่ือเพรคู้ื่อวราคู้ มวกา้ามวกห้านวห้าในนา้ กใานรกเารรียเนรียน 7.7เ.มเม่ือื่อมมีปีปัญัญหหาหาหรอืรอืขขอ้ ้อสงสสงสัยยัเกเกีย่ ว่ยี กวกับับกการาทรทาแาบแบบบฝฝกึ ึกใหให้ปป้รกึรกึษษาคาครผูรผู้สู ูส้ออนน ทันที

Objectives (จดุ ประสงค์) หลงั จากทน่ี ักเรยี นทาแบบฝึกทักษะนแ้ี ล้วนกั เรียนจะสามารถ... 1.มีความร้โู ครงสรา้ งประโยค if clause 2.แตง่ ประโยคโครงสรา้ ง if clause ได้ถกู ต้อง

แบบทดสอบกอ่ นเรยี น Complete the following sentences using an appropriate conditional verb form. 1. If I _________ hard, I would have passed the test. a. study b. studied c. studies d. had studied 2. If it __________, we will play inside. a. rain b. rains c. rained d. had rained 3. If I were you, I __________the offer. a. would have taken b. would take c. will take d. take 4. I __________ happy if I had 1 billion baht. a. am b. will be c. would be d. would have been 5. We __________ football if It hadn’t rained. a. play b. will play c. would play d. would have played 6. You will feel better if you __________ enough. a. sleep b. slept c. had slept d. have slept 7. If I had time, I __________ more English. a. learn b. will learn c. would learn d. would have learnt 8. If he had won the singing contest, he _________ a BMW. a. Get b. will get c. would get d. would have got 9. If I study hard, I __________ the exam. a. pass b. will pass c. would pass d. would have passed 10. If I had had money, I __________ a BMW. a. would have bought b. would buy c. will buy d. buy

เฉลยแบบทดสอบกอ่ นเรยี น 1. d. had studied 2. b. rains 3. b. would take 4. c. would be 5. d. would have played 6. a. sleep 7. c. would learn 8. c. would get 9. b. will pass 10. a. would have bought

ใบความรู้ 4 Types of If Clauses (If Conditions) Type 0/Zero Conditional If + Present Simple, Present Simple Structure If + S + V1, S + V1 Usage Used to talk about present, real/factual situations. Type 1/First Conditional If + Present Simple, Future Simple Structure If + S + V1, S + will +V1 Usage Used to talk about future real/factual situations. Type 2/Second If + Past Simple, Future in the past Conditional Structure If + S + V2, S + would +V1 Usage Used to talk about present or future unreal, imaginary situations. Type 3/Third Conditional If Past Perfect, Furture perfect in the past Structure If S + had + V3, S + would + have + V3 Usage Used to talk about past unreal, imaginary situations.

Type 0/Zero Conditional Sentence Structure | โครงสรา้ ง If + S + V1, S + V1 Zero conditional ใช้เพ่อื กล่าวถงึ ปจั จุบนั ซึ่งโดยกลา่ วถึง ขอ้ เท็จจริงและเป็นไปได้ เปน็ ความจรงิ โดยทว่ั ไป หรอื ขอ้ เทจ็ จรงิ ทางวทิ ยาศาสตร์ ในโครงสรา้ งน้ี สามารถใช้ when หรอื unless แทน if ไดโ้ ดยทคี่ วามหมายไมเ่ ปลย่ี นโครงสร้างทใี ชก้ ็คอื present simple ตวั อย่าง If it rains, the plants get wet. (when it rains, the plants get wet) ถา้ /เม่อื ฝนตก ตน้ ไมก้ ็เปยี ก If you heat the ice, it melts. ถา้ เราทาใหค้ วามร้อนกบั น้าแขง็ มันกจ็ ะละลาย If we boils water, it turns to stream. ถา้ เราต้มนา้ มนั จะกลายเปน็ ไอ If the weather is cold, the ice doesn't melt. ถ้าอากาศหนาวน้าแข็งจะไมล่ ะลา

Type 1/First Conditional Sentence Structure | โครงสรา้ ง If + S + V1, S + will +V1 ใชก้ ับเหตกุ ารณท์ ่ีเปน็ เหตเุ ป็นผลซ่ึงกันและกัน ถา้ สง่ิ หนงึ่ เกดิ ขน้ึ อีกส่งิ หนึง่ จะเกดิ ข้นึ หรอื มี ขน้ึ ตัวอย่าง If it rains, I will not take you out. ถ้าฝนตก ผมจะไมพ่ าคณุ ไปข้างนอก If you don't get up early, you may miss the train. ถ้าคุณตน่ื สายคุณอาจจะตกรถไป You can take her out if you she is willing to go out with you. คุณพาเธอออกไปข้างนอกได้ถ้าเธอยอมออกไปกบั คณุ If I meet her, I'll tell her to call you. ถ้าผมพบเธอ ผมจะบอกให้เธอโทรหาคุณ Note: * will อาจจะใช้ can, shall, may แทนได้

Type 2/Second Conditional Sentence Structure | โครงสรา้ ง If + S + V2, S + would + V1 ใช้บอกเลา่ เก่ียวกบั ส่ิงทไี่ มเ่ ป็นจริง หรอื ตรงกนั ขา้ มกับความจริง ในปัจจบุ ันหรืออนาคต ตวั อย่าง If I were you, I would take the dog to the vet. ถ้าผมเปน็ คณุ ผมจะพาหมาไปหาสตั วแพทย์ If it didn't rain, she would probably come to see you. ( the fact is it rains) ถา้ ฝนไมต่ กบางทเี ธออาจจะมาพบแก (ความจริงคอื ฝนตก) Note: * would อาจจะใช้ could, should, might แทนได้ * ในกรณีท่ีเปน็ verb to be ต้องใช้ were ทุกกรณี ไม่ว่าประธานจะเปน็ เอกพจนห์ รือพห

Type 3/Third Conditional Sentence Structure | โครงสร้าง If S + had + V3, S + would + have + V3 ใชบ้ อกเลา่ เกี่ยวกับ สง่ิ ทีไ่ ม่เป็นจรงิ หรอื ตรงกันขา้ มกับความจรงิ ในอดตี ตัวอยา่ ง If John hadn't told her the true, I would have gone away without seeing her crying. ถา้ คณุ ไมบ่ อกความจริงกับเธอ ผมก็คงจากไปโดยไมต่ ้องพบเธอ (ความจริงคอื John บอก ความจรงิ กับเธอไป ผมตอ้ งเห็นเธอรอ้ งให)้ If the server had not been down, we could have finished our last assignment. ( the fact is server had been down) ถ้า เซริ ์ฟเวอรไ์ มล่ ่ม เรากค็ งทางานทไี่ ดร้ ับมอบหมายชิน้ สุดทา้ ยเสรจ็ ไปละ (ความจริงคอื เซิร์ฟเวอรล์ ม่ ) Note: * would อาจจะใช้ could, should, might แทนได้

แบบฝึกท่ี 1 Choose the best answer. 1. If he__________here yesterday, I'd have given him this letter. a. were b. have come c. had come d. would come 2. If water__________it change into steam.. b. boils a. boil c. boiled d. had boiled 3. If I had time, I __________ more English. a. would have learned b. would learn c. will learn d. learned 4. If I study hard, I __________ the exam. a. passed b. would pass c. will pass d. would have passed 5. I __________ happy if I had 1 billion baht. b. would be a. had been d. would have been c. will be 6. If I had known English was so difficult, I __________it up. a. would never take b. would never taken c. would never have taken d. would never have been taken 7. If I ___________ the lottery, I would travel around the world. a. had won b. wins c. win d. won 8. We __________ football if It hadn’t rained. b. would play a. would have played d. plays c. will play 9. If he had won the singing contest, he __________a BMW. a. would have got b. would get c. will get d. had gotten 10. If I __________ John, I’ll tell him. a. saw b. see c. sees d. had seen

แบบฝกึ ที่ 2 Choose the best answer. 1. If he had arrived on time, I__________very surprised. a. would have felt b. would feel c. felt d. had felt 2. If I were you, I __________the offer. a. will take b. would take a. would have taken d. would taken 3. I __________that movie if you had gone with me. a. would see b. have seen c. had seen d. saw 4. If it__________fine yesterday, we’d have got home early. a. was b. were c. had been d. has been 5. If I had not come here last week, I__________out all the truth about him. a. would not have found b. would not find c. did not find d. found 6. Bob__________you a message if he had your telephone number. a. would sent b. would send c. would have sent d. will send 7. If she__________ there, she would have seen the accident. a. had been b. was c. were d. would have been 8. If you__________here last night, you__________that man. a. would have come – had seen b. had come – would have seen c. had come – had seen d. would have come – would have seen 9. It’ hot if the sun if the sun __________ brightly. a. shine b. shines c. shone d. had shone 10. You will feel better if you __________ enough. a. sleep b. slept c. a. sleep d. had slept

แบบฝกึ ที่ 3 Choose the best answer. 1. If people eat too much, they __________ fat. a. have got b. gets c. get d. got 2. If you __________ 4 to 2 , you __________8. a. will add / get b. will add / will get c. adds / gets d. add / get 3. What __________ if you __________this exam? a. do you do / are not pass b. do you do / don’t pass c. will do you / are not pass d. will you do / don’t pass 4. If pollution __________more and more , trees will die. a. will increase b .increased c. increases d. increase 5. I__________shopping if it rains. b. will go a. am go c. will not go d. am not go 6. Where__________ Maria stay if she arrives Japan ? b. will a. do c. does d. would 7. If the sun__________ it __________ a day. b. rise / will be a. will rises / will be c. will rise / is d. rises / is 8. If I __________ him this afternoon. I will phone him in the evening. a. see b. will see c. don’t see d. won’t see 29. If Nichakun the singer in 2 PM band__________ his concert in Thailand , my sister__________ one of the attendance. a. open , will b. opens , will be c. opens , would be d. open , would be 10. Ask your teacher about your grade if you __________ her. a. will meet b. meets c. meet d. met

แบบฝึกท่ี 4 Choose the best answer. 1.You__________better if you’d tried harder a. had b. had done c. would do d. would have done 2. They. __________next week if you write them an official letter of invitation. a. come b. will come c. have come d. would have come 3. Plants die if they __________ enough water. a. don't get b. didn't get c. wouldn’t get d. would get 4. The grass gets wet if it __________. a. would rained b. will rain c. rains d. rain 5. Ice melts if we__________it. a. warm b. warmed c. will warm d. would warm 6. You wouldn't be so tired if you __________so hard. a. don't work b. won't work c. didn't work d. hadn't worked 7. If you __________thoses lists, we'll start arranging the lists. a. check b. checked c. have checked d. will have checked 8. I __________ you a present if I had known it was your birthday. a. buy b. bought c. have bought d. would have bought 9. He __________if he'd had more time. a. could have come b. will have come c. were to come d. could come

10. If Marlon __________a horse , he would ride it up to the mountains. a. had been b. has had c. were d. had

แบบฝึกท่ี 5 Choose the best answer. 1. If you don't drop the gun, I __________you. a. shoot b. will shoot c. have shot d. would shoot 2. If public transport is efficient, people __________ using their cars. a. stop b. stopped c. will stop d. have stopped 5 3. If you had given me your e-mail, I __________ to you. a. would have written b. would write c. will write d. have 4. If one bullet is fired, a thousand bullets __________ in reply. a. would be fired b. will be fired c. will fire d. fired 5. We didn’t know he had some protected animals behind the shop, if we had known, we __________ than lives. a. should save b. would save c. could have saved d. can have saved 6. If the weather …………………… nice tomorrow, we will go to Bangkok. a. is b. be c. was d. had been 7. He __________able to buy a bicycle if he saves his money. a. is b. will be c. would be d. would have been 8. Tim may get hurt if he __________ too fast. a. had driven b. drove c. drive d. drives 9. We __________ fishing if the weather were fine tomorrow. a. went b. will go c. would go d. would have gone

10. He __________ few mistakes if he knew more grammar. a. would have made b. would make c. makes d. made

แบบทดสอบหลังเรยี น Complete the following sentences using an appropriate conditional verb form. 1. If I ……………….. you, I would fire him straightaway. a. had been b,. were c. was d. am 2. If you ……………….. ice, you get water. a. heat b. will heat c. would heat d. would have heated 3. If I ……………………. the consequences of my action, I would never have done it. a. know b. knew c. had known d. would have known 4. Unless you ………………… hard, you will fail your exam. a. work b. worked c. had worked c. would have worked 5. …………………. I would have arrived immediately. a. Were I to know b. Had I known c. will know d. known 6. If you ………………… to reach half an hour before the program starts, you will get straight in. a. manage b. will manage c. would manage d. would have managed 7. Unless you ………………. smoking, you will have serious health problems. a. quit b. will quit c. would quit d. would have quited 8. If you see him, ………………… him my love? a. give b. will you give c. would you give d. would you have given 9. If I had had enough money, I……………….. that radio. a. bought b. will buy c. would buy d. would have bought

10. She would go to the Job Centre if she……………….. a job. a. had wanted b. will want c. wanted d. wants

เฉลยแบบฝกึ ท่ี 1 1. c. had come 2. b. boils 3. b. would learn 4. c. will pass 5. b. would be 6. c. would never have taken 7. d. won 8. a. would have played 9. a. would have gotten 10. b. see เฉลยแบบฝกึ ท่ี 2 1. a. would have felt 2. b. would take 3. a. would see 4. b. were 5. a. would not have found 6. b. would 7. a. had been 8. b. had come – would have seen 9. b. shines 10. a. sleep

เฉลยแบบฝกึ ที่ 3 1. c. get 2. d. add / get 3. a. don't get 4. c. increases 5. c. will not go 6. b. will 7. d. rises / is 8. a. see 9. b. opens , will be 10. c. meet เฉลยแบบฝึกที่ 4 1. d. would have done 2. b. will come 3. a. don't get 4. c. rains 5. a. warm 6. c. didn't work 7. a. check 8. d. would have bought 9. a. could have come 10. c. were

เฉลยแบบฝกึ ท่ี 5 1. b. will shoot 2 c. will stop 3 a. would have written 4. b. will be fired 5. c. could have saved 6. a. is 7. b. will be 8. d. drives 9. c. would go 10. b. would make เฉลยแบบทดสอบหลังเรยี น 1. b. were 2. a. heat 3. c. had known 4. a. work 5. b. Had I known 6. a. manage 7. a. quit 8. b. will you give 9. d. would have bought 10. c. wanted

บรรณนานุกรม http://www.languageguide-online.com/conditionals---exercises.html https://first-English.org/english_learning/if_clauses_conditional/67_if.htm https://www.google.com/search?q=if+clause+exercise+multiple+choice+doc&oq=&aqs=chrome. 1.69i59i450l8.7777426j0j15&sourceid=chrome&ie=UTF-8 https://www.trueplookpanya.com/examination2/doExam?id=13591