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1、混合条件句本讲稿第一页，共十四页1.1.If If the weather the weather isis 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
2、,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
3、一般现在时，主句：一般现在时本讲稿第二页，共十四页Review:IfReview:If引导的条件状语从句引导的条件状语从句:1.First conditional1.First conditional:真实从句真实从句,条件有可能实现条件有可能实现2.Second2.Second 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 3.Zero conditional:3.Zero conditional:零条件从句零条件从句,客观事实客观事实,4.Third conditional:4.Third conditiona
4、l: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If sb.+_,sb._ _+third If sb.+_,sb._ _+third form of the verb.form of the verb.had donehad donewouldwouldhave donehave done本讲稿第三页，共十四页1.if we chew our food until it is soft in our mouths and then swallow it,it will help our bodies digest it better.2.if it has green pl
5、ants materials added to it,helps to stop tooth decay.3.if people were to chew sugar-free gum after a meal,it would help prevent tooth trouble.4.if you had chewed sugar-free gum regularly for the last year,it is possible that you would have lost up to 5 kilos by now.0213本讲稿第四页，共十四页5.if people chewed
6、100 times per minute for 12 minute for 12 minutes,70 kilocalories were burned.6.if I had used this chewing gum when I was giving up smoking ten years ago,I would have been more successful at quitting quickly and much healthier today.7.if we chew gum,it will cause our bodies to believe we are digesti
7、ng food and our stomachs will produce digestive juices unnecessarily.?31本讲稿第五页，共十四页8.if this is the case,the stomach may become tense.9.if dentists encouraged its use,the message would be sent out and children might chew gum instead of brushing their teeth.10.Unless we are careful,the number of youn
8、g people with bad teeth will rise and this will become a serious problem.?21本讲稿第六页，共十四页Mixed Conditionals混合型条件句混合型条件句本讲稿第七页，共十四页1.If he had broken the record,he would be famous now.2.If they hadnt invited me to the party,I wouldnt be here.Form(形式形式):*表示与过去事实相反的某一条件表示与过去事实相反的某一条件 给现在带来的结果或影响给现在带来的结果或
9、影响32If sb.had done,sb.would do本讲稿第八页，共十四页1.If he was/were a more skillful player,he would have scored more points.2.If she didnt speak a few languages,she wouldnt have got that job.Form(形式形式):If sb.did,sb.would have done23*表示与现在事实相反的某一条件表示与现在事实相反的某一条件 给过去所带来的影响给过去所带来的影响本讲稿第九页，共十四页2+3If sb.did,sb.wou
10、ld have done*表示与现在事实相反的某一条件表示与现在事实相反的某一条件 给过去所带来的影响给过去所带来的影响Mixed Conditionals3+2If sb.had done,sb.would do*表示与过去事实相反的某一条件表示与过去事实相反的某一条件 给现在带来的结果或影响给现在带来的结果或影响本讲稿第十页，共十四页Page80 The key of Ex.12.he wouldnt have become a model.3.he wouldnt have got a part in a soap opera.4.his photo wouldnt have appea
11、red on the cover of a popular magazine.5.he wouldnt have married a pop star.本讲稿第十一页，共十四页Page80 The key of Ex.17.she wouldnt be a professor there now.8.she wouldnt be a world expert in biochemistry.9.various companies and organizations wouldnt ask her advice.10.she wouldnt be invited to scientific co
12、nferences all over the world.本讲稿第十二页，共十四页Page80 The key of Ex.42.If Jamie hadnt been so good at maths,he wouldnt pass the test without revising at all.3.If I had got your message,I would know about your party.4.If our parents hadnt been very good friends,we wouldnt be good friends either.本讲稿第十三页，共十四页Page80 The key of Ex.15.If Paul hadnt failed his exam,he wouldnt have to take it again.6.If Lucy hadnt been very proud,she wouldnt reject their help.7.If I had been fit,I would go mountain climbing.本讲稿第十四页，共十四页