高中英语语法——if条件虚拟语气（23张PPT）.ppt

1、 if条件虚拟语气1.If I dont eat breakfast,I always get hungry during class.2.If the rain stops，the match will begin.3.If my brother were here,everything would be all right.4.If he had seen you yesterday,he would have asked you about it.the Zero Conditionalthe First Conditionalthe Second Conditionalthe Thir

2、d ConditionalSomething always truePossible in the futureImpossible in the presentOr unlikely in the futureUnreal situations in the pastthe ConditionalsZeroThirdFirst Second真实条件句the Zero Conditionalthe First Conditional非真实条件句the Second Conditionalthe Third Conditional ZeroFirstSecondThird描述一件事总是紧跟另一件

3、事发生的规律和情景用来谈论将来发生的事情；或用来提出建议、要求，或命令用来谈论想象的，将来不可能发生的事情，或现在不可能的情况表示过去不真实的情景，想象过去未发生的事情种类if条件句谓语主句谓语零条件句一般现在时一般现在时第一条件句一般现在时will+动词原形第二条件句一般过去时would/could/might+动词原形第三条件句过去完成时would/could/might+have+过去分词summary Target Grammar.If Peter was a more skillful player,he would have scored more points.2.Ben Joh

4、nson would still be the 100 meters world record holder,if he had not been caught.3.If he had broken that record,he would be a world-famous runner now.Thinking.If Peter was a more skillful player,he would have scored more points.DiscoveryIf+Past Simple,would+have doneAs in 2nd conditionalForm:As in 3

5、nd conditional说明说明非真实的现在情景表达想象中的现在状态，可能对过去有影响2.Ben Johnson would still be the 100 meters world record holder,if he hadnot been caught.DiscoveryIf+Past Perfect,would+infinitiveAs in 3nd conditionalForm:As in 2nd conditional说明说明想象的，有可能导致现在结果的过去情景3.If he had broken that record,he wouldbe a world-famous

6、 runner now.DiscoveryIf+Past Perfect,would+infinitiveAs in 3nd conditionalForm:As in 2nd conditional注意：在这种条件句中，虚拟条件主句和从句的动作发生的时间不一致，因此，主句和从句的谓语动词要根据各自所指的不同时间选择适当的动词形式。PracticeIf I_ all night,I _tired now.hadnt workedwouldnt feel现在过去If I _ you,I _shopping yesterday.werewould have gone现在过去If I had a d

7、ictionary,I would have lent(lend)it to you yesterday.If they had studied(study)hard,they would be college students now.If Mary hadnt been caught(not be catch)in the rain that day,she would not have(not have)a fever now.If I were you，I wouldnt have missed(not miss)the film last nightIf you had asked(

8、ask)him when you saw him last time，you would know(know)what to do nowComplete the sentences with the correct form of the verbs in brackets.Rewrite the sentences,using the mixed Conditionals.You didnt have any breakfast,so you are hungry now.You didnt listen to the teacher,so you cant work out the ma

9、ths problem now.If you had had breakfast,you wouldnt be hungry now.If you had listened to the teacher,you could work out the maths problem now.He hurt his legs in the last training,so he will not take part in the coming running race.I wasnt confident then,so I dont become a teacher now.He likes driv

10、ing,so he became a taxi driver.If he hadnt hurt his legs,he would take part in the coming running race.If I had been more confident then,I would become a teacher now.If he didnt like driving,he wouldnt have became a taxi driver.According to the Chinese,complete the following sentences.1.如果他遵照医生的劝告，现

11、在病就好了。If he had followed the doctors advice，he would recover already 2.如果我当时在学校用功读书，我现在就有一个更好的工作了。If I had studied harder at school,I would havea better job now.3.如果我不害怕蜘蛛的话，我就会把它抓起来的。If I wasnt afraid of spiders,I would have picked it up.4.要是他们一大早就出发的话，再过半个小时就该到了。If they had started in the early mo

12、rning,they would arrive in half an hour5.如果昨晚下雨的话，今天就要凉快些了。If it had rained last night,it would be cooler today.Translate the following into Chinese and read it.Today we buried our 20-year-old son.He was killed instantly in a motorcycle accident on Friday night.How I wish I had known when I talked t

13、o him last that it would be the last time.If I had only known I would have said,Jim,I love you and Im so very proud of you.I would have taken the time to count the many blessings he brought to the lives of the many who loved him.I would have taken time to appreciate his beautiful smile,the sound of

14、his laughter,his genuine love of people.今天我们埋葬了我们的二十一岁的儿子。他于星期五晚上在一场摩托车事故中当场死去。我是多么希望在我们上一次谈话的最后一刻知道将要发生这样的事。倘若我知道我一定会对他说“吉姆，我爱你，我为你感到非常骄傲。”我应该早点抓紧时间去认真回味他每一次带给那些爱他的人的祝福，我应该抓紧时间去仔细回味他那美丽的微笑，他笑的声音，那种纯真的爱，那种对别人纯洁无暇的爱。Use the target grammar to talk about three things that Ss did or didnt do,or that hap

15、pened or didnt happen to Ss in the past and what the present consequences are.A.a singer B.a dancer C.a sports starProductionExample:If I had started to play tennis when I was five,I could be a champion now,and I could have a lot of honours,such as gold medals,flowers,applause.And also I could go to many foreign countriesThank you!