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1、Whats the date today?24 If I am not too busy, I will celebrate Christmas with my friends.如果我不是太忙的話，我就會和如果我不是太忙的話，我就會和朋友一起慶祝圣誕。朋友一起慶祝圣誕。It was Chen Yehongs birthday!What about December the 2nd ? Did anything special happen that day?1.If I am not too busy, I will celebrate Christmas with my friends. 4

2、. 4. 如果我知道他喜歡運(yùn)動(dòng)，我就會給他買如果我知道他喜歡運(yùn)動(dòng)，我就會給他買個(gè)籃球。個(gè)籃球。4. If I had known he likes doing sports, I would have bought him a basketball !3. If I had known it was his birthday, I would have bought him a present.2. If I didnt have to work today, I would buy him a birthday cake.3. 3. 如果我知道那天是他的生日，我那時(shí)如果我知道那天是他的生日，

3、我那時(shí)就會給他買份禮物。就會給他買份禮物。2.2. 如果我今天不用工作，我就會去給他買如果我今天不用工作，我就會去給他買個(gè)蛋糕個(gè)蛋糕. .性質(zhì)性質(zhì)If從句從句主句主句第一第一條件條件句句If +主語主語+ _主語主語_第二第二條件條件句句If+主語主語+_主語主語 would/could/might_第三第三條件條件句句If +主語主語+_主語主語 would/could/might_ 動(dòng)詞過去時(shí)動(dòng)詞過去時(shí) (not) dodo（其中其中be的過去式的過去式一般用一般用_）were will/wont do祈使句祈使句對對_ _ _或或_的虛的虛擬擬一般一般條件條件句句 現(xiàn)現(xiàn)在在 將來將來 (

4、not) have done had done對對_ _ _情情況的況的虛擬虛擬 過過去去一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)A.過去的過去 （過去完成）（過去完成）C.現(xiàn)在B.過去表示與表示與現(xiàn)現(xiàn)在在的事實(shí)的事實(shí)相反，相反，表示與表示與過過去去的事實(shí)的事實(shí)相反，相反，用用過去完成過去完成式式后退一步法 用用過去過去式式 用用過去過去 完成完成式式 Examples:1)If she _ (fail) the exam, she _(have to) leave university. 2) If I _ (go) on “Who wants to be a millionaire”, I _ (win) a

5、 lot of money(80)(20) Examples:1)If she _ (fail) the exam, she _(have to) leave university. (80)failswill have to If 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) doIf 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont do 2) If I _ (go) on “Who wants to be a millionaire”, I _ (win) a lot of

6、 money.(20)went would win If 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont doIf 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) do1.If we _(take) no notice, the teenagers _ (force) the child onto a fast ride. (80)take will force (80)If 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont

7、 doIf 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) do2.It _(be) insensitive if we _(complain) about disabled people going to the front of the queue.(10) would be complained (10)If 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) doIf 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont d

8、o3. You _ (get) hurt if you _(try) to stop the thief. (70) will get try(70)If 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) doIf 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont do4. You _(regret) it if you _(pretend) not see her. (30) would regretpretended (30)If 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去

9、時(shí), 主句：主句： 主語主語 + would (not) doIf 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont do 5.If I _ (be) Cheng Xucan, I _(can publish) my articles in the school magazine. (0!)werecould publish(0!)If 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) doIf 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + wil

10、l / wont do6.If I _(can afford) the time and money, I _ (go) to Korea (韓國韓國) to see the superstars!could afford(20)would goIf 從句從句： If +主語主語+動(dòng)詞過去時(shí)動(dòng)詞過去時(shí), 主句：主句： 主語主語 + would (not) doIf 從句從句： If +主語主語+一般現(xiàn)在時(shí)一般現(xiàn)在時(shí), 主句：主句： 主語主語 + will / wont doWho is the girl? Would you help her?Whats her job?Does she lo

11、ok happy? Why or why not?Honeymoonstudied hard entered the universitymet so many lovely studentsLook at situations from the past and write sentencesgot this jobstudied hard entered the universitygot this jobmet so many lovely studentsIf I hadnt studied hard, I wouldnt have entered the university. If

12、 I hadnt entered the university, I wouldnt have got this job. If I hadnt got this job, I wouldnt have met so many lovely students.從句：從句：If +主語主語+had (not) + done, 主句：主語主句：主語 + would (not) have donediscovered that Enxi was not their own daughterbe knocked down by a truckreceived the blood transfusion

13、 ( (輸血輸血) )If Enxi hadnt been knocked down by a truck, she wouldnt have received the blood transfusion. If Enxi hadnt received the blood transfusion, her parents wouldnt have discovered that she was not their own daughter. If 從句：從句： If +主語主語+had (not) + done, 主句：主句： 主語主語 + would (not) have done If E

14、nxi hadnt been knocked down by a truck, she wouldnt have received the blood transfusion. If Enxi hadnt received the blood transfusion, her parents wouldnt have discovered that she was not their own daughter. told others about fathers identity(身份身份)parents diedbecame homeless became a servantIf I had

15、nt told others about fathers identity, they wouldnt have died. If they hadnt died, I wouldnt have become homeless. If I hadnt become homeless, I wouldnt have become a servant.If 從句：從句： If +主語主語+had (not) + done, 主句：主句： 主語主語 + would (not) have done If I hadnt told others about fathers identity, they

16、wouldnt have died. If they hadnt died, I wouldnt have become homeless. If I hadnt become homeless, I wouldnt have become a servant.If she hadnt become so regretful, she wouldnt have tried to drown herself in the river. If Youzheng hadnt died when trying to save her, Yingmei wouldnt have become so re

17、gretful. tried to drown herself in the river(投河自盡投河自盡)died when trying to save Yingmeibecame regretfulIf 從句從句： If +主語主語+had (not) + done, 主句：主句： 主語主語 + would (not) have done If Youzheng hadnt died when trying to save her, Yingmei wouldnt have become so regretful. If she hadnt become so regretful, sh

18、e wouldnt have tried to drown herself in the river.If you had set the alarm clock , we wouldnt have woken up late!I am not to blame! If you had remembered to fill the car with petrol, we wouldnt have run out of petrol on the way.Work in pairs and blame each other for what went wrong. It is your faul

19、t.I am not to blame! (不應(yīng)該怪我不應(yīng)該怪我)You cant blame me for everything!Im fed up with（受夠了）（受夠了）your carelessness.I have had enough of this.I did nothing wrong. E.g. If it had not been for Deng Xiaopings effort. If the world trade center hadnt been destroyedMake some conditional sentences yourself!Preview lesson 3for your cooperation!