（公开课）高中英语复习北师大版《虚拟语气在If条件句中的使用》课件-最新.ppt

1、If I were the only girl in the worldAnd you were the only boyNothing else would matter in the world todayWe could go on loving in the same old wayA Garden of Eden just made for twoWith nothing to mar(destroy)our joyI would say such wonderful things to youThere would be such wonderful things to do Su

2、bjunctive MoodSubjunctive Mood In If-clauses In If-clauses 虚拟语气虚拟语气 在在If If条件句中的使用条件句中的使用 何事秋风悲画扇何事秋风悲画扇If time could stop at the moment when we first met.If If引导的条件状语从句引导的条件状语从句Real conditionals and unreal conditionals分真实条件句和非真实分真实条件句和非真实(虚拟虚拟)条件句条件句 If If引导的虚拟条件句引导的虚拟条件句 It shows the speakers the

3、best wishes、dreams or assumptions.It is clear that they are unreal,imaginary or unlikely to become true.表示说话人的愿望、梦想或假设，而不表示表示说话人的愿望、梦想或假设，而不表示客观存在的事实。客观存在的事实。Subjunctive Mood In If-clausesSubjunctive Mood In If-clausesIf虚拟条件句有哪三种情况？虚拟条件句有哪三种情况？表与现在的事实相反;表与过去的事实相反;表与将来的事实相反。表与现在的事实相反表与现在的事实相反If I bec

4、ame a superman,I could protect the people who are in danger.虚拟条件句虚拟条件句表达梦想、愿望表达梦想、愿望If I had time now,I would go to see the film with you.虚拟条件句虚拟条件句表假设表假设NowIf I were Bill Gates,I should donate a lot of money to Linhuai Middle School.Observe and Conclude 1:1.If I became a superman,I could protect th

5、e poeple who are in danger.2.If I had time now,I would go to see the film with you.3.If I were Bill Gates,I should donate a lot of money to Linhuai Middle School.时间时间 If虚拟条件句谓语虚拟条件句谓语形式形式 主句谓语形式主句谓语形式与与现在现在事实事实 相反相反 did/werewould/should/might/could+do 1.If they (are)here now,they (take)my advice.2.I

6、f I (sell)a match today,I (go)home now.3.If I (have)a lot of money now,I (buy)a big house in Beijing.Practice 1:Fill in the blanks.werewould take soldcould gohadwould buyThe Little Match(火柴)GirlIf she had sold a match that day,she could have gone home.表与过去的事实相反表与过去的事实相反If Jack hadnt got on the Titan

7、ic,he wouldnt have met Rose.If he had got two rabbits that day,he might have had another big meal.Wait For Windfalls 守株待兔守株待兔 时间时间If 虚拟虚拟条件句谓条件句谓语形式语形式 主句谓语形式主句谓语形式与与过去过去事实事实 相反相反 Observe and Conclude 2:1.If she had sold a match that day,she could have gone home.2.If Jack hadnt got on the Titanic,he

8、 wouldnt have met Rose.3.If he had got two rabbits that day,he might have had another big meal.had donewould/should/might/could+have donePractice 2:Fill in the blanks.1.If I (meet)you yesterday,we (go)to the concert together.2.If Tom (be)more careful in the test,he (pass)it already.3.If you (get)up

9、earlier,you (catch)the first bus.had metwould have gonehad beenwould have passed had gotwould have caught If God gave me another chance,I should say“I love you”to the girl 表与将来的事实相反 如果上天可以给我一个机会再来一次 的话，我会跟那个女孩子说，我爱你。If they were to play better next time,they could succeed.If it should snow heavily t

10、omorrow,I would go skiing.时间时间If 虚拟条件句谓语虚拟条件句谓语形式形式 主句谓语形式主句谓语形式与与将来将来事实事实 相反相反 Observe and Conclude 3:1.If God gave me another chance,I should say“I love you”to the girl .2.If they were to play better next time,they could succeed.3.If it should snow heavily tomorrow,I would go skiing.1.did/were2.we

11、re to do3.should dowould/should/might/could+doPractice 3:Fill in the blanks.1.If you (get)full mark next time,I (hold)a party for you.2.If it (rain)tomorrow,I (stay)at home3.If we (have)a 5day holiday next week,we (be)very happy.got/were to get/should get would holdwould staywould berained/were to r

12、ain/should rainhad/were to have/should have虚拟语气在虚拟语气在 if条件句中的用法条件句中的用法did/were would/should /might/could+do had done would/should/might/could+have done 1.did/were 2.should do 3.were to do would/should /might/could+do与与现在现在事实事实相反相反与与过去过去事实事实相反相反与与将来将来事实事实相反相反If 条件句谓语形式条件句谓语形式 主句谓语形式主句谓语形式时间时间Summariz

13、e五鼠买裤五鼠买裤 If混合虚拟条件句混合虚拟条件句 当条件状语从句表示的行为和主句表示的行当条件状语从句表示的行为和主句表示的行为所发生的时间不一致（如一个是过去的，一个为所发生的时间不一致（如一个是过去的，一个是现在的）时，这时主句和从句谓语动词的形式是现在的）时，这时主句和从句谓语动词的形式要根据它所表示的时间做出相应的调整，从而构要根据它所表示的时间做出相应的调整，从而构成混合虚拟条件句，又被称为成混合虚拟条件句，又被称为“错综时间条件句错综时间条件句”，该句式不仅仅存在时间的不同，也存在事实与假该句式不仅仅存在时间的不同，也存在事实与假设的混合，其基本用法如下：设的混合，其基本用法如

14、下：1.If the little mermaid（美人鱼）（美人鱼）hadnt fallen in love with the prince then,she would still live a happy life in the sea now.1.If the little mermaid hadnt fallen in love with the prince then,she would still live a happy life in the sea now.FormIf 从句从句_,主句主句_had donewould do想象的过去的事情可能对现在或将来有影响，想象的过去

15、的事情可能对现在或将来有影响，从从句说的是句说的是过去过去，主句说的是，主句说的是现在或将来现在或将来说明说明与过去事实相反与过去事实相反与现在事实相反与现在事实相反2.If I were the little mermaid，I wouldnt have fallen in love with the prince then.2.If I were the little mermaid，I would not have fallen in love with the prince thenForm If 从句从句_,主句主句_did/werewould have done说明说明想象中的现在

16、的情景或状态可能对过去想象中的现在的情景或状态可能对过去有影响，即有影响，即从句说的是现在，主句说的从句说的是现在，主句说的是过去。是过去。与现在事实相反与现在事实相反与过去事实相反与过去事实相反 If If虚拟条件句的省略和倒装虚拟条件句的省略和倒装 虚拟条件句的从句部分如果含有虚拟条件句的从句部分如果含有were,should,或或had,可可将将if省略，再把省略，再把were,should或或had 移到从句移到从句句首句首，形成，形成部分倒装结构部分倒装结构。否定词否定词not不能不能放在放在前面前面。（。（牢记三词牢记三词）1）If they were here now,they

17、could help us.=Were they here now,they could help us.2）If you had come earlier,you would have met him.=Had you come earlier,you would have met him.3）If it should rain tomorrow,the crops would be saved.=Should it rain tomorrow,the crops would be saved.n 含蓄含蓄虚拟条件句虚拟条件句虚拟条件句中的条件从句有时不表现出来，只暗虚拟条件句中的条件从句有

18、时不表现出来，只暗含在上下文中，这种句子叫含含在上下文中，这种句子叫含蓄虚拟条件句蓄虚拟条件句。1.1.条件暗含在介词、短语、连词、副词如条件暗含在介词、短语、连词、副词如withoutwithout，oror，otherwiseotherwise，butbut，but forbut for中。中。2.2.条件暗含在条件暗含在上下文中。上下文中。解题时要把握语境，分析与何种事实（解题时要把握语境，分析与何种事实（过去、现过去、现在和将来在和将来）相反。）相反。1）Without your help，I wouldnt have succeeded=If you hadnt helped me，

19、I wouldnt have succeeded 2)I was too busy yesterday.Otherwise I would have gone with you.=If I hadnt been too busy yesterday,I would have gone with you.3)But for your help,I wouldnt have finished the work on time.=If it hadnt been your help,I wouldnt have finished the work on time.Consolidation Cons

20、olidationPractice makes perfectPractice makes perfect.Correct the mistakes.1.If I was President Trump，I would say that Diaoyu Island belongs to China.2.If we had enough rain last year，we could have gained a good harvest.3.If I had won 1 million dollars one day，I would travel around the world.were ha

21、d _ _4.If I were Huang Xiaoming,I will marry Angelababywould5.If he have taken my advice,he would have succeeded in the contest.had6.If it rained last night,the ground would be wet now_ had.Fill in the blanks.1.She would have come here，but she (go)to the hospital to look after her sick mother.2.If y

22、ou (tell)me the news yesterday，I wouldn t be so worried now.3.Sorry，I am too busy now.If I (have)time，I would certainly go for an outing with you.4.If I were to go abroad next year,I (go)toAmerica.had told hadwould go went5.He was very busy yesterday，otherwise he (come)to the party.6.If you had post

23、ed the letter,John (receive)it last Monday.7.If he (not be)ill,he would have helped us.8.I am not tired.If I were tired,I (have)a rest.would had comewould have receivedhadnt beenwould have Summaryn虚拟条件句的三种基本结构虚拟条件句的三种基本结构n混合虚拟条件句（错综时间条件句）混合虚拟条件句（错综时间条件句）n虚拟条件句省略和倒装虚拟条件句省略和倒装 （牢记三词）牢记三词）n含蓄条件句和虚实结合含蓄条件句和虚实结合 Homework 1.Review the three structures and usage of subjunctive mood.2.Read the passage on your paper carefully and underline the sentences using subjunctive mood.Thank you!