1、 Leading in the grammar听歌填词If I Were A BoyIf I _a boy，I _my phoneTell everyone that its brokenso they think that I was sleeping aloneId put myself firstand make the rules as I gocause I know that shell be faithfulwerewould turn offGrammar(subjunctive mood:if-clause)If I were a bird,I could fly freel
2、y in the sky.They refer to a wish that cant be true.(不是事实，是一种假设、愿望或推测)Subjunctive mood 虚拟语气 If I had enough money，I would buy a new car.Subjunctive mood is usually used to talk about the situations虚拟语气表示说话人所说的话不是事实，而是一种假设、愿望或推测。that are nottrue or not likely to become true.If it rains tomorrow,we wi
3、ll stay at home.If I have time,I will read books.These sentences refer to a true situation.(一个事实）factual situation 真实情况Discovering and learningIf I had time at present,I would go there.If you had come yesterday,you would have met her.If it were to rain tomorrow,they would not go out.If he has time,h
4、e will walk in the park.I will do housework,if my parents are busy.Step 1:factual situation(事实)or wish(愿望）?Step 2:Find the rulesContrary(与相反)to the.ifsth,sth.did/werewould/could/might/should doIf I time ,I there.hadwould goat presentB.present predicate(谓语)A.pastC.futureBIf I _(have)a lot of money no
5、w,I _(travel)around the world.hadwould traveljump the queue If I(be)one of them,I(not allow)him to jump the queue.If you(be)one of them,what you(do)?werewoulddowerewould not allowFind the rules Contrary to theifsth,sth.had donewould/could/might/should/have doneIf you ,youhad come yesterdaywouldhave
6、met her.pastIf I _(have)time last night,I _ (go)to see the film with you.had hadwould have goneIf he _(drive)more carefully,he _(not have)the car accident yesterday.had driven would not have had Find the rules Contrary to the If it ,they out.ifsth,sth.did/werewere to doshould dowould/could/might/sho
7、uld do rained/should rainfuturewere to rain wouldtomorrownot goIf it (be)May Day(劳动节)tomorrow,what you(do)?were/should be/were to bewoulddoIf it (be)May Day tomorrow,I (go)to see a movie.were/should be/were to bewould go 虚拟语气主从句的谓语形式时间If 从句的谓语形式主句的谓语形式现在过去将来did/werehad donewould/could/should/might+V
8、.(原)would/could/should/might+have+p.p.1.did/were2.should do3.were to dowould/could/should/might+V.(原)Complete sentences:(1)If I _(have)time,I would go there.(2)If you had come earlier,you _(not miss)the bus.(3)If it _(rain)tomorrow,the sports meet would be put off.hadcouldnt/wouldnt have missedshoul
9、d rain/were to rain/rainedPracticing and improvingChange the following sentences:1.They are not here,so they cant help you now.If they _ here,they _ _ you now.2.He did not come yesterday,so I did not tell him about it.If he _ _ yesterday,I _ _ _ him about it.werecould helphad comewouldhavetold3.Lily
10、 did not eat anything last night because she felt ill.If Lily _ _ well,she _ _ _ something.hadfeltwould have eaten ,I was late for school.My teacher blamed me.If I 1.(not stay)up last night,I 2.(not get)up late.Whats more,my bike was broken on my way to school.If the bike 3.(run)well,I 4.(arrive)on
11、time.If I 5.(have)money ,I 6.(buy)a new one.If I 7.(be)the teacher,I 8.(give)the student one more chance.And if I 9.(be)a ,I 10.(invent)a more convenient bike!had not stayedwould havehadwerewouldwere to bewould not havewould inventnowinThis morningwould buyhad rungotarrivedgivescientist,the future T
12、he structures:If I did/were,I would/could/might/should do.If I had done,I would/could/might/should have done.If I did/were to do/should do,I would/could/might/should do.The usage of them in different situations.What have we learned?summaryHomeworkTranslate the following sentences:1.如果我是你，我会再试一次。2.如果我有一百万美元，我会买下这架飞机的。3.如果努力学的话，他就通过这次考试了。4.如果他明天来的话,我会告诉他这件事.5.如果明天下雪了,我们怎么办？6.如果我听了他的忠告，就不会犯这样的错误了。Translate the following sentences:7.万一她来的话，我就请她帮忙。（事实上她来的可能性很小）8.要是现在有空，我们就把它再看一遍。
