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1、混合条件句第1页，本讲稿共14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：一般现在时第2页，本讲稿共14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第3页，本讲稿共14页1.if we we chewchew our food until it is soft in our mouths and then swallow it,it will help our bodies digest it better.bodies digest
5、 it better.2.2.if it hashas green plants materials added to it,green plants materials added to it,helps to stop tooth decay.3.if people people werewere to chew sugar-free gum to chew sugar-free gum after a meal,it after a meal,it would help prevent tooth prevent tooth trouble.trouble.4.ifif you you
6、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第4页，本讲稿共14页5.if people chewed 100 times per minute for 12 minute for 12 minutes,70 kilocalories were burned.6.6.if I I had used this chewing gum when I was giving up smoking ten yea
7、rs ago,I giving up smoking ten years ago,I would have been more successful at quitting quickly and much healthier today.quickly and much healthier today.7.if we we chew gum,it gum,it will cause our bodies to cause our bodies to believe we are digesting food and our stomachs will produce digestive ju
8、ices unnecessarily.unnecessarily.?31第5页，本讲稿共14页8.if this is the case,the stomach the case,the stomach may become tense.9.if dentists encouraged its use,the message would bebe sent out and children mightmight chew gum instead of brushing their teeth.10.Unless we are careful,the number of young people
9、 with bad teeth will rise and this will become a serious problem.?21第6页，本讲稿共14页Mixed Conditionals混合型条件句混合型条件句第7页，本讲稿共14页1.If he had broken the record,he the record,he would be famous now.2.If they hadnthadnt 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表示与过去事实相反的
10、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给现在带来的结果或影响给现在带来的结果或影响32If sb.had done,sb.would do第8页，本讲稿共14页1.If he he was/were a more skillful player,a more skillful player,he would have scored more points.2.If she didnt speak a few languages,she wouldntwouldnt havehave got that job.Form(形式形式):If sb.did,
11、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第9页，本讲稿共14页2+3If sb.did,sb.would have doneIf sb.did,sb.would 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
12、影响给现在带来的结果或影响第10页，本讲稿共14页Page80 The key of Ex.12.he wouldnt have become a model.3.he wouldnt have got a part in a soap 3.he wouldnt have got a part in a soap opera.4.his photo wouldnt have appeared on the cover of a popular magazine.5.he wouldnt have married a pop star.第11页，本讲稿共14页Page80 The key of
13、Ex.17.she wouldnt be a professor there now.8.she wouldnt be a world expert in biochemistry.biochemistry.9.various companies and organizations9.various companies and organizations wouldnt ask her advice.10.she wouldnt be invited to scientific conferences all over the world.第12页，本讲稿共14页Page80 The key
14、of Ex.42.If Jamie hadnt been so good at maths,he wouldnt pass the test without revising 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.第13页，本讲稿共14页Page80 The key of Ex.15.If Paul hadnt failed his exam,he 5.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.第14页，本讲稿共14页