Review: IfReview: If引导的条件状语从句引导的条件状语从句: :1234First conditionalFirst conditional: : 真实从句真实从句, , 条件有可能实现条件有可能实现 SecondSecond conditional:conditional: 非真实从句非真实从句, , 不可能实现的不可能实现的, , 与现在事实相反与现在事实相反 Zero conditional: Zero conditional: 零条件从句零条件从句, ,客观事实客观事实, ,有先后次序有先后次序 Third conditional: Third conditional: 虚拟语气条件从句虚拟语气条件从句, , 与过去事实相反与过去事实相反IfIf从句从句: :一般现在时，主句：将来时一般现在时，主句：将来时从句为：从句为：If +If +主语主语+ +动词过去式；动词过去式；主句为：主语主句为：主语+ would/should+ + would/should+ 动词原形动词原形IfIf从句从句: :一般现在时，主句：一般现在时一般现在时，主句：一般现在时If sb. + _ , sb. _ _ If sb. + _ , sb. _ _ had donehad donewouldwouldhave donehave done1.1. If If the weather the weather is is good, we good, we willwill go out tomorrow. go out tomorrow.2. If2. If I I werewere you, I you, I would studywould study hard. hard.3. 3. If If you you heatheat the ice, it the ice, it turnsturns to water. to water.First conditionalFirst conditional: : 真实从句真实从句, , 条件有可能实现的条件有可能实现的 SecondSecond conditional:conditional: 非真实从句非真实从句, , 不可能实现的不可能实现的, , 与现在事实相反与现在事实相反 Zero conditional: Zero conditional: 零条件从句零条件从句, ,客观事实客观事实, ,有先后次序有先后次序 123IfIf从句从句: :一般现在时，主句：将来时一般现在时，主句：将来时条件从句为：条件从句为：If +If +主语主语+ +动词过去式；动词过去式；主句为：主语主句为：主语+ would/should+ + would/should+ 动词原形动词原形IfIf从句从句: :一般现在时，主句：一般现在时一般现在时，主句：一般现在时5 There are There are three three conditional sentences in this conditional sentences in this article. Find and underline them in the text.article. Find and underline them in the text.1.If you dont want to fall behind in todays competitive job market, you have to commit yourself to life-long learning. 2. If you invest time in developing your study skills now, youll be enjoying the rewards for the rest of your life. 3.If I were you, I would ask the teacher.4. Third conditional4. Third conditional与过去事实相反的虚拟条件句与过去事实相反的虚拟条件句虚拟语气从句用在与虚拟语气从句用在与过去事实相反过去事实相反的条件句中的条件句中, ,条件句中条件句中的谓语用的谓语用had+had+过去分词过去分词, ,结果主句的谓语用结果主句的谓语用would+have+would+have+过去分词过去分词: :如果我早点离开如果我早点离开,我就赶上公共汽车了。我就赶上公共汽车了。If If I I had lefthad left earlier, I earlier, I would have caughtwould have caught the bus. the bus.如果我想起了那件事如果我想起了那件事,我是会向母亲谈及的。我是会向母亲谈及的。If If I I had thought ofhad thought of it, I it, I would have talkedwould have talked to mother. to mother.*注意注意:1. 不可将不可将If从句中的谓语动词所用的形式误认为过从句中的谓语动词所用的形式误认为过 去完成时去完成时,它仅是它仅是虚拟语气虚拟语气的一种表达形式的一种表达形式.2. 在主句中在主句中, 若主语是第一人称若主语是第一人称,也可用也可用should have+ 过去分词构成谓语过去分词构成谓语.shouldshould*注意注意:3. 主句或从句中的谓语动词构成否定式的时候主句或从句中的谓语动词构成否定式的时候,应分别在主句中的应分别在主句中的would的后面或的后面或if从句中的从句中的had 的的后面加上后面加上not.If sb. + _ , sb. _ If sb. + _ , sb. _ _._.had not donehad not donewould notwould nothave donehave done如果昨天晚上没有去看电影的话如果昨天晚上没有去看电影的话,你就完成了那份报告了。你就完成了那份报告了。If you had If you had notnot gone to the cinema last night, you gone to the cinema last night, you would have finished the report.would have finished the report.如果你告诉过我如果你告诉过我, 我就不会浪费那么多时间。我就不会浪费那么多时间。If you had told me that, I would If you had told me that, I would notnot have wasted so have wasted so much time.much time.*注意注意:4. if 有时可以省略有时可以省略,但但if后面部分需改为倒装句语序后面部分需改为倒装句语序.Had youHad you told me that, I would not have wasted so told me that, I would not have wasted so much time.much time.8Look at the sentence from the interview and Look at the sentence from the interview and answer the questions.answer the questions.If I had wanted to see my grandchildren, I would have had to visit them in person.a)a)What time is Grandma Chen talking about: past, What time is Grandma Chen talking about: past, present or future?present or future?b) What happened: Did she travel to see them?b) What happened: Did she travel to see them?pastNo!The pattern of the Third Conditional.The pattern of the Third Conditional.If sb. + _ , sb. _ _ If sb. + _ , sb. _ _ had donehad donewouldwouldhave donehave donecouldcouldmightmight( (一一) )用所用所给动词给动词的适的适当当形式形式填填空空: :1. If you _ (listen) to me, you 1. If you _ (listen) to me, you _ (not make) that mistake._ (not make) that mistake.2. If the boy _ (not climb) the tree 2. If the boy _ (not climb) the tree yesterday, he yesterday, he _ (not break) his (not break) his leg.leg.3. If you _ (come) to the class in time this 3. If you _ (come) to the class in time this morning, the teacher _ (not be ) so angry.morning, the teacher _ (not be ) so angry.4. If we _ (meet) each other the other day, I 4. If we _ (meet) each other the other day, I _ (have) a heart-to-heart talk with _ (have) a heart-to-heart talk with you.you.5. If you _ (be) there yesterday, you 5. If you _ (be) there yesterday, you _(see) the famous movie star._(see) the famous movie star.had listenedhad listenedwould not have madewould not have madehadnt climbedhadnt climbedwouldnt have brokenwouldnt have brokenhad comehad comewouldnt have beenwouldnt have beenhad methad metwould have hadwould have hadhad beenhad beenwould have seenwould have seen( (二二). ). 选择选择正确的答案正确的答案: :1. If you _ home last night, you would have 1. If you _ home last night, you would have watched the exciting football match.watched the exciting football match.A. stayed B. was staying A. stayed B. was staying C. would stay D. had stayed C. would stay D. had stayed 2. If you _ so careless, you wouldnt have 2. If you _ so careless, you wouldnt have broken the laptop computer.broken the laptop computer.hadnt been B. werenthadnt been B. werentC. isnt D. wouldnt beC. isnt D. wouldnt be3. _ you helped me, I wouldnt have made so 3. _ you helped me, I wouldnt have made so much progress in my work.much progress in my work.Didnt B. WouldntDidnt B. WouldntC. Hadnt D. CouldntC. Hadnt D. CouldntDAC4. If your sister _ me that, I _ in such a hurry.4. If your sister _ me that, I _ in such a hurry. A. had told; wouldnt have left A. had told; wouldnt have left B. had told; wouldnt leave B. had told; wouldnt leave C. didnt tell; wouldnt have left C. didnt tell; wouldnt have left D. hasnt told; wouldnt leave D. hasnt told; wouldnt leave5. If my mom hadnt been ill, I _ to Beijing with 5. If my mom hadnt been ill, I _ to Beijing with you last week.you last week. A. would go A. would go B. would have gone B. would have gone C. had gone C. had gone D. have gone D. have goneAB9Which of the conditional sentences is correct Which of the conditional sentences is correct in each context? in each context? 1. A storm broke out and the boat sank.1. A storm broke out and the boat sank. a) If the storm hadnt broken out, the boat wouldnt a) If the storm hadnt broken out, the boat wouldnt have sunk. have sunk. b) If the storm had broken out, the boat would have b) If the storm had broken out, the boat would have sunk. sunk.2. The weather was good so we went out.2. The weather was good so we went out.a) If the weather hadnt been good, we wouldnt a) If the weather hadnt been good, we wouldnt have gone out.have gone out.b) If the weather was good, we would go out.b) If the weather was good, we would go out.10Complete the Third Conditional sentences by Complete the Third Conditional sentences by putting the verbs in brackets in the correct forms. putting the verbs in brackets in the correct forms. 1. If the exam _ (not be) so difficult, I 1. If the exam _ (not be) so difficult, I _ (pass)._ (pass).2. If he _ (put on) a tie, they _ 2. If he _ (put on) a tie, they _ (allow) him to enter the restaurant.(allow) him to enter the restaurant.3. If he _ (not apologise), I 3. If he _ (not apologise), I _(not give) him a birthday present._(not give) him a birthday present.4. If they _ (not argue), they 4. If they _ (not argue), they _ (spend) the weekend together._ (spend) the weekend together.5. If he _ (not be) sick, he _ 5. If he _ (not be) sick, he _ (join) us for the tour.(join) us for the tour.6. If it _ (rain), we _ (go 6. If it _ (rain), we _ (go ) to the beach.) to the beach.hadnt beenhadnt beenwould have passedwould have passedhad put onhad put onwould have allowedwould have allowedhadnt apologizedhadnt apologizedwouldnt have givenwouldnt have givenhadnt arguedhadnt arguedwould have spentwould have spenthad not beenhad not beenwould have joinedwould have joinedhadnt rainedhadnt rainedwould have gonewould have gone Conditional 1 (真实从句真实从句)& conditional 2 (非真实从句非真实从句).2. If I 2. If I havehave time to buy the butter and flour and time to buy the butter and flour and everything, everything, IllIll make you a cake . make you a cake .3.Yes, if my parents 3.Yes, if my parents werentwerent both at work all day, both at work all day, we we wouldwould get a dog. get a dog.4. Well, if I 4. Well, if I savedsaved all my pocket money, I still all my pocket money, I still wouldntwouldnt have enough for an expensive present. have enough for an expensive present.5. Yes, and if I 5. Yes, and if I wasntwasnt so busy so busy IdId help him. help him.6. If he 6. If he passespasses his exam he his exam he will will havehave a party.a party.11222 Conditional Zero,1,2, and 31. I 1. I wouldntwouldnt tell Sarah the bad news yet tell Sarah the bad news yet if if I I were were you.you.2. The journalist 2. The journalist wouldntwouldnt havehave reported the story reported the story if if she hadnt believedshe hadnt believed it was true at the time. it was true at the time.3. Jane 3. Jane wouldwould havehave beenbeen able to do English at able to do English at university university if if she she waswas as good as it as you are. as good as it as you are.4. 4. WedWed be able to play football tomorrow be able to play football tomorrow if if it it stoppedstopped raining now. raining now.5. Laura never 5. Laura never wantswants to eat any breakfast to eat any breakfast if if she she doesnt godoesnt go for an early morning run. for an early morning run.6. I 6. I wouldwould havehave givengiven you the letter you the letter if if it it arrivedarrived before you left.before you left.232202Correct the wrong sentences.2. If we 2. If we livelive in London in London IdId gogo to the theatre every to the theatre every night. night.3. If I 3. If I gotgot a horse for my birthday I a horse for my birthday I wouldwould taketake riding riding lessons.lessons.4. I 4. I wontwont crosscross the road there, if I the road there, if I werewere you. you.5. 5. IllIll askask Peter this evening if he Peter this evening if he camecame to the club. to the club.wouldntlivedcomesa)a)a rule, something thats always truea rule, something thats always trueb) a piece of adviceb) a piece of advicec) a future situation that is unlikely to happenc) a future situation that is unlikely to happend) a future situation that is possible d) a future situation that is possible e) a present situation that is impossiblee) a present situation that is impossibleecbd