高中英语语法条件状语从句.ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,条件状语从句,明桑桑,时间状语从句,地点状语从句,条件状语从句,目的状语从句,结果状语从句,原因状语从句,让步状语从句,方式状语从句,比较状语从句,条件状语从句的引导词,条件,状语从句的时态问题,条件状语从句的省略问题（分词做条件状语）,1.If,真实条件句,2.If,非真实条件句,3.,其他引导词,状语从句,考点可结合题型：,语法填空题（,1-3,空）,翻译与写作,长难,句分析,语法题考频分析,状语从句,时间,让步,条件,原因,目的,方式,结果,比较,14,一模,6,5,4,7,2,0,1,0,14,二模,10,5,5,1,1,1,0,1,15,一模,3,6,6,1,0,1,0,0,15,二模,5,4,4,2,2,0,0,0,总空格数,24,20,19,11,5,2,1,1,If,If,真实条件句（陈述语气）,If you read the book,you will be interested in it.,非真实条件句（虚拟语气）,I,f I were you,I would take his advice.,a.,时态,主句,一般将来时，从句一般,现在时,(,主将,从,现,),If the museum charges for entry,a lot of people wont be able to visit it.,If your dog is depressed,he probably _ more exercises.,A.will need B.needed C.need D.needs,主句用现在时：表示此事,任何时候,都是可能的,尤其是,现在,。,主句用将来时：表示此事,将来,的可能性。,If shes travelling abroad on business,she always phones me every evening.,Shall we go out if the weathers good?,If,b,.,句型,If you work harder,you will succeed,.,Work harder,and you will succeed.,Work harder,or you wont succeed.,Working harder,you will succeed,.,可与,if,条件状语从句进行转换的句型,：,1.,祈使句,/,名词短语，,and/or+,简单句,2.,分词,，,主句,（分词做条件状语）,If you give me somewhere to stand,I will move the earth.,G,ive me somewhere to stand,and I will move the earth.,Have an aim in your life,or your energies will be wasted.,If you have an aim in your life,your energies wont be wasted.,If you dont have an aim in your life,your energies will be wasted.,G,ive me somewhere to stand,or I wont move the earth.,Given somewhere to stand,I will move the earth.,句型,转换：,选择题：,Start out right away,_youll miss the first train.,and B.but C.or D.while,_,and Ill get the work finished.(06,重庆,),Have one more hour,B.One more hour,C.Given one more hour,D.If I have one more hour,C,B,翻译与写作：,如果,我将不胜感激。,翻译：,如果,您能帮助我得到票的话，我会非常感激。,写作：,主题：给学校校报编辑、社区、某项活动提建议。结尾句可用。,如果你能考虑我的建议，我将不胜感激。,I would appreciate it if you could take my suggestions into consideration.,Id appreciate it if,Id appreciate it if you could help me get a ticket.,If,you could help me get a ticket,Id appreciate it.,翻译与写作：,如果,该怎么办？,(15,虹口二模,),如果你忘记通知他面试时间了该怎么办？,What if you forget to inform him of the time for the interview?,What if,If,d,.,if only,vs.,only if,if only,但愿,，要是,就好,了,表示,一个不可能实现愿望，要用,虚拟语气,。,only if,只有,等于,only on condition that,，从句用,陈述语气,。,Only,if you heat,ice does it turn,to water,.,If,only I knew,!,只有当你给冰加热，它才会变成水。,要是我知道该多好。,_we take steps to deal with this problem can we avoid a severe water shortage later on.,If only B.As long as,C.When only D.Only if,选择题：,D,If we take steps to deal with this problem,w,e can avoid a severe water shortage later on.,Only,放在句首，句子要用部分倒装。,Only if we take steps to deal with this problem,c,an we avoid a severe water shortage later on.,unless,u,nless=if not,如果,不，除非,(14,虹口,二,模,),如果,不能独立找出提高学习效率的方法，你就很难取得令人满意的成绩。,(unless),It is very difficult,for you,to gain satisfactory achievements unless you find out the method of improving the learning efficiency by,yourself.,unless,能作为,介词,使用，相当于,except,。,Nothing will come out of it unless disaster.,这种事除了引起灾祸之外不会有什么结果。,i,n case,in case,目的,状语,从句，多置于,句中,，为将来的情况做必要的防备,Ill bring an umbrella in case it rains.,我,会带把雨伞去，（目的是）以防会下雨。,条件,状语从句,，多置于,句首,，等于,if it happens that,。,In case I forget,please remind me of my promise.,如果我忘了，请提醒我所做的承诺,。（只有我忘了的情况下才提醒我。）,“万一，如果”,“以防”,（,14,闸北二模）万一家具在大火中毁掉了，保险公司是否会支付所有的损失？（,in case,）,Will the insurance company pay for all the damages,in case,the furniture is destroyed in the fire,？,s,o/as long as,on condition that,表示,只要，条件是,As/So long as,we dont lose heart,well find a way to overcome the difficulty.,You may use the room,on condition,that,/,so long as,you clean it afterwards,.,Providing/provided(that),supposing/suppose(that),given,(that),如果,，只要，,假如,Given that,they are inexperienced,theyve done a good job.,考虑到他们缺乏经验，他们的工作已做得很好了,。,Provided/Providing(that),we,invite him,he would surely come to dinner.,假如我们邀请他的话，他肯定会来吃饭的,。,Suppose/Supposing,we cant get enough food,what shall we,do?,假设我们弄不到足够的食物，那我们怎幺办？（仅用于疑问句）,判断句子逻辑关系为条件,条件状语从句的引导词：,1,空：,if,unless,2,空：,in,case,providing/provided(that),supposing/suppose(that),given,(that),3,空：,so long as,as long as,on condition that,After only six months he was due for a raise _ this assessment was satisfactory,.(14,黄,浦一,模,),You,can fit self care into your weekly routine _ _ _ you prioritize(,优先考虑,).,(14,杨,浦一,模,),He did so just to give her those extra few precious moments of life,_ _ I was careless enough to step on her,.(14,闵行二,模,),if,in case,as/so long as,（,14,崇明,一模,）在,上下班高峰时间，倘若你不想陷入交通堵塞，何不尝试乘坐地铁？,(try),（,14,徐汇一模）如果,双方在这些事务上能达成共识，就有可能在新的领域进一步合作。（,If.,）,If you dont want to be caught in the traffic jam in rush hours,why dont you try taking the subway?,If both the parties can agree on these issues,they are likely to further cooperate,（,have further cooperation,）,in the new field.,THANKS,