TYPE 1 : Future possible/Possible Condition expresses a possibility for the PRESENT or FUTURE คคคคคคคคคคคคคคคคคคคค คคคคคคคคคค คคคคคคคคคคคคคคคคคคคคคคคคคคคคคคคคค คคคคคคคคคคคคคคคคคคคคคคคค คคคคค(คคคคคคคคคคคคคคคคคคคค) IF + PRESENT SIMPLE + FUTURE SIMPLE If+ S+V1, S+ will will/ shall/may/can +V infinitive
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TYPE 1 : Future possible/Possible Condition expresses a possibility for the PRESENT or FUTURE
Subject + would + V.1If + past simple If I knew her name, I would tell you. (ถ้�าฉั�นรู้ �ชื่��อเธอ ฉั�นก็�น�าจะบอก็คุ�ณ) [จรู้�งๆ แล้�วไม่�รู้ �จ�ก็ชื่��อเธอ]She would be safer if she had a car. (เธอน�าจะปล้อดภั�ยก็ว�าน%& ถ้�าเธอม่%รู้ถ้) [จรู้�งๆ แล้�วเธอไม่�ม่%รู้ถ้]It would be nice if you helped me do the housework. [ม่�นน�าจะด%ถ้�าคุ�ณได�ชื่�วยฉั�นทำ(างานบ�านบ�าง] [จรู้�งๆ แล้�วเธอไม่�ชื่�วยเล้ย]
If I knew her name, I would tell you. (ถ้�าฉั�นรู้ �ชื่��อเธอ ฉั�นก็�น�าจะบอก็คุ�ณ) [จรู้�งๆ แล้�วไม่�รู้ �จ�ก็ชื่��อเธอ]She would be safer if she had a car. (เธอน�าจะปล้อดภั�ยก็ว�าน%& ถ้�าเธอม่%รู้ถ้) [จรู้�งๆ แล้�วเธอไม่�ม่%รู้ถ้]It would be nice if you helped me do the housework. [ม่�นน�าจะด%ถ้�าคุ�ณได�ชื่�วยฉั�นทำ(างานบ�านบ�าง] [จรู้�งๆ แล้�วเธอไม่�ชื่�วยเล้ย]
If-ClauseIf-Clause Main ClauseMain Clause
PasPast Simple t Simple
would + infinitivewould + infinitiveorcould + infinitive could + infinitive ormight + infinitivemight + infinitive
FormationFormation
ExamplesExamples
If-ClauseIf-Clause Main ClauseMain Clause
If I studiedstudied, I would passwould pass the exams.
If I studiedstudied, I could pass could pass the exams.
If I studiedstudied, I might pass might pass the exams.
If my friend James weren’t ill, we would play basketball with him.
If he had a lot of money, he would buy a new house.
If I didn’t have any homework to do, I would go out and play with friends.
If the weather were sunny and hot, we would go to the beach and swim.
If I had a red sport car, I would drive to work.
If I were an animal, I would be …
a dog a cat
an elephanta snake
a shark
If I were a super hero, I would be …
TYPE 3: PPastast-Unreal-Unreal//Unreal ConditionUnreal Condition
•Used to express conditions in the past that did not happen. Often used to express criticism or regret . เง�#อนไขึ้ทำ$#ไม�ม$ทำางเก ด้ขึ้"�นได้�เพราะเหต�การณ์�น��นได้�เก ด้ขึ้"�นไป็แล่�ว(อด้$ต) ม�กจะใช้�แสด้งถึ"งความเส$ยใจ เส$ยด้าย น�#นเองIf + Past Perfect, Subject + would have + V3
would + have + past participlewould + have + past participleorcould + have + past participlecould + have + past participleormight + have + past participlemight + have + past participle
If-ClauseIf-Clause Main ClauseMain Clause
If I hadhad studiedstudied, I would have passedwould have passed the exams.
If I hadhad studiedstudied, I could have passed could have passed the exams.
If I hadhad studiedstudied, I might have passed might have passed the exams.
ExamplesExamples
FormationFormation
If I hadhad studiedstudied, I would have passedwould have passed the exams.
If we had known about Tsunami before,
they wouldn’t have died.
Type If clause Main clause
Type 0 General Truth
Present Simple
Present Simple
Type 1 Future
Possible
Present Simple
FutureSimple
Type 2 Present Unreal
Past Simple
Would+ V infinitive
Type 3 Past Unreal
Past Perfect
Would+ have+
V3
Conclusion
1.If it _________ (rain) heavily, our house _________ (leak).2.If we ________ (put) ice in the sun,it _________ (melt) quickly.3.If we _____________(feel) well, we ________(see) a doctor.4.If a dog ________ (see) stranger,it ________(bark).
1.If you ____________ (work) hard,you_______ _______(fail).2.If it ________(rain),I ___________(come) and meet you in the car.3.If it ___________ (rain) tomorrow,I _______ ___________ (stay) at home.
1.If I _________ (be) a bird, I _____________ (fly) everywhere.2.If you _________ (tell) me the truth,I ______ _____________________ (give) you some constructive advice.3.If there _________ (be) a typhoon tomorrow, I _______________ (be) very happy.
1.If it ____________(rain) yesterday, I ___________ _____________(stay) at home.2.If the principal __________________(allow) us to supervise the tuck shop, food poisoning ____________ ____________(occur) last Friday.3.If the chairman _______________(ask) me to help, I_______________(join) to fight for better hygienic conditions.
Exercise One
1. If you ___________________ (not come), You ________________ (miss ) the show.