高中英語 m7u21L1grammar if課件 北師大版選修7

1、 Module 7Module 7Unit 21 Human BiologyUnit 21 Human Biology Lesson One GrammarLesson One GrammarIn this class, we will be able to 1. 1. reviserevise Conditionals Conditionals2. 2. learnlearn and and experienceexperience Mixed Mixed ConditionalsConditionals3. 3. useuse Mixed Conditionals to Mixed Con

2、ditionals to expressexpress the Ss regret correctly. the Ss regret correctly.Objectives Revision Revision 1.If I dont eat breakfast, I always get hungry during class.1.If I dont eat breakfast, I always get hungry during class. 2.If the rain stops2.If the rain stops， ，the match will begin.the match w

3、ill begin. 3. If my brother were here, everything would be all right.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. 4. If he had seen you yesterday, he would have asked you about it. the Zero Conditionalthe Zero Condition

4、althe First Conditionalthe First Conditionalthe Second Conditionalthe Second Conditionalthe Third Conditionalthe Third ConditionalSomething always trueSomething always truePossible in the futurePossible in the futureImpossible in the presentImpossible in the presentOr unlikely in the futureOr unlike

5、ly in the futureUnreal situations in the pastUnreal situations in the pastFirst Second真實條件句真實條件句the Zero Conditionalthe First Conditional非真實條件句非真實條件句the Second Conditionalthe Third Conditional ZeroFirstSecondThird描述一件描述一件事總是緊事總是緊跟另一件跟另一件事發(fā)生的事發(fā)生的規(guī)律和情規(guī)律和情景景用來談?wù)撚脕碚務(wù)搶戆l(fā)生將來發(fā)生的事情；的事情；或用來提或用來提出建議、出建議、要求，或要

6、求，或命令命令用來談?wù)撚脕碚務(wù)撓胂蟮?，想象的，將來不可將來不可能發(fā)生的能發(fā)生的事情，或事情，或現(xiàn)在不可現(xiàn)在不可能的情況能的情況表示過去表示過去不真實的不真實的情景，想情景，想象過去未象過去未發(fā)生的事發(fā)生的事情情種類種類if if條件句謂語條件句謂語 主句謂語主句謂語零條零條件句件句一般現(xiàn)在時一般現(xiàn)在時一般現(xiàn)在時一般現(xiàn)在時第一第一條件句條件句一般現(xiàn)在時一般現(xiàn)在時will+will+動詞原形動詞原形第二第二條件句條件句一般過去時一般過去時would/could/might+would/could/might+動詞動詞原形原形第三第三條件句條件句過去完成時過去完成時would/could/might

7、+havewould/could/might+have+ +過去分詞過去分詞summary Target Target GrammarGrammar.If Peter was a more skillful player, he would have scored more points.2. Ben Johnson 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 runn

8、er 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 3nd conditional非真實的現(xiàn)在情景表達(dá)想象中的現(xiàn)在狀非真實的現(xiàn)在情景表達(dá)想象中的現(xiàn)在狀態(tài)，可能對過去有影響態(tài)，可能對過去有影響2. Ben Johnson would still be the 100 meters world record holder, if he

9、had not been caught.DiscoveryIf+Past Perfect, would+infinitiveAs in 3nd conditionalForm:As in 2nd conditional想象的，有可能導(dǎo)致現(xiàn)在結(jié)果的過去情景想象的，有可能導(dǎo)致現(xiàn)在結(jié)果的過去情景3.If he had broken that record, he would be a world-famous runner now.DiscoveryIf+Past Perfect, would+infinitiveAs in 3nd conditionalForm:As in 2nd conditi

10、onal注意：注意：在這種條件句中，虛擬條件主句和從句的動作發(fā)在這種條件句中，虛擬條件主句和從句的動作發(fā)生的時間不一致，因此，主句和從句的謂語動詞要根據(jù)生的時間不一致，因此，主句和從句的謂語動詞要根據(jù)各自所指的不同時間選擇適當(dāng)?shù)膭釉~形式。各自所指的不同時間選擇適當(dāng)?shù)膭釉~形式。PracticeIf I_ all night ,I _tired now.hadnt workedwouldnt feel現(xiàn)在現(xiàn)在過去過去If I _ you, I _shopping yesterday.werewould have gone現(xiàn)在現(xiàn)在過去過去If I had a dictionary, I would

11、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 ( a

12、sk) 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 ou

13、t the maths 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

14、. He likes driving, 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 sent

15、ences . 1.如果他遵照醫(yī)生的勸告，現(xiàn)在病就好了。 If he had followed the doctors advice，he would recover already 2.如果我當(dāng)時在學(xué)校用功讀書，我現(xiàn)在就有一個更好的工作了。 If I had studied harder at school, I would have a better job now.3.如果我不害怕蜘蛛的話，我就會把它抓起來的。如果我不害怕蜘蛛的話，我就會把它抓起來的。If I wasnt afraid of spiders, I would have picked it up. 4.要是他們一大早就出發(fā)

16、的話，再過半個小時就要是他們一大早就出發(fā)的話，再過半個小時就該到了。該到了。If they had started in the early morning, they would arrive in half an hour5.如果昨晚下雨的話，今天就要涼快些了。如果昨晚下雨的話，今天就要涼快些了。 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

17、 killed instantly in a motorcycle accident on Friday night. How I wish I had known when I talked to 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 l

18、ives of the many who loved him. I would have taken time to appreciate his beautiful smile, the sound of his laughter, his genuine love of people. 今天我們埋葬了我們的二十一歲的兒子。他于今天我們埋葬了我們的二十一歲的兒子。他于星期五晚上在一場摩托車事故中當(dāng)場死去。我星期五晚上在一場摩托車事故中當(dāng)場死去。我是多么希望在我們上一次談話的最后一刻知道是多么希望在我們上一次談話的最后一刻知道將要發(fā)生這樣的事。倘若我知道我一定會對他將要發(fā)生這樣的事。倘若我知道我一定會對他說說“吉姆，我愛你，我為你感到非常驕