广州英语上海牛津版八年级下册Unit-7-Language课件精心制作有价值.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,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,2020/12/3,*,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,*,*,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,*,*,广州英语上海牛津版八年级下册Unit 7 Language课件精心制作有价值,广州英语上海牛津版八年级下册Unit 7 Language课件精心制作有价值广州英语上海牛津版八年级下册Unit 7 Language课件精心制作有价值Unit 7,Mind and MemoryLanguage22020/12/3,Unit 7,Mind and Memory,Language,2020/12/3,2,If,sentences:,if:,如果；是否,引导条件状语从句，意为“如果”,引导宾语从句，中文解释为“是否”,2020/12/3,3,you stand in the rain,If,what happens?,you get wet.,you stand in the rain,If,you stand in the rain.,if,You get wet,2020/12/3,4,you take a fish out of the water,If,what happens?,it dies.,you take a fish out of the water,If,you take it out of the water.,if,A fish dies,2020/12/3,5,you cool water,If,what happens?,it turns into ice.,you cool water,If,you cool it.,if,Water turns into ice,cool,2020/12/3,6,If,you boil water,what happens?,boil,steam,If,you boil water,it becomes steam.,Water becomes steam,if,you boil it.,2020/12/3,7,If,you heat metal,what happens?,heat,steam,If,you heat metal,it melts.,Metal melts,if,you heat it.,metal,（金属）,melt,(,熔化,),2020/12/3,8,If,you put wood into water,it floats(,漂浮）,.,If,you plant seeds in soil,they grow.,2020/12/3,9,If,you drop a glass,it breaks.,If,you do not give plants water,they die.,2020/12/3,10,A1 Match the possible actions with the results to make,if sentences,Possible action,Result,(1)If you take a fish out of water,(a)it melts.,(2)If you cool water,(b)it dies.,(3)If you boil water,(c)they grow.,(4)If you heat metal,(d)it turns into ice.,(5)If you put wood into water,(e)they die.,(6)If you plant seeds in soil,(f)it breaks.,(7)If you drop a glass,(g)it becomes steam.,(8)If you do not give plants water,(h)it floats.,P103,2020/12/3,11,A if sentence,：,actions with definite,(,必然发生）,result,1,、,if,引导的条件句中，,if,从句可以放在前面或者后面，如果放在前面，句子结尾要加一个逗号。,If you cool water,，,it turns into ice.,Water turns into ice,if you cool it,.,if,从句放在前面，,这里加逗号,（,if,从句）,（,if,从句）,（主句）,（主句）,2020/12/3,12,2,、当表示客观事实、结果时，主句和从句都用一般现在时,Water,turns,into ice if you,cool,it.,1)If you _(stand)in the rain,you_ (get)wet.,2)If fish _,（,live,）,without water,they_(die).,stand,get,live,die,2020/12/3,13,气球爆炸的瞬间,burst,a pin,balloon,stick a pin,into it,2020/12/3,14,A2:Complete these sentences with the words in brackets.Add commas where necessary.,1 If you _ water.(ice/turns/heat/it/into),2 A balloon _ it.(pin/a/if/stick/you/bursts/into),3 If you _ water.(steam/into/cool/turns/it),4 Metal _ it.(you/heat/melts/if),5 Wood _ water.(you/into/put/if/floats/it),6 A glass _ it.(drop/you/breaks/if),heat ice,it turns into,bursts if you stick a pin into,cool steam,it turns into,melts if you heat,floats if you put it into,breaks if you drop,P104 Do A2 by yourselves.,2020/12/3,15,A.If sentences:actions with definite results,If,从句,+,一般现在时,主句,+,一般现在时,.,或：主句,+,一般现在时,+if,从句,+,一般现在时,.,当表示客观事实、结果时，主句和从句都用一般现在时。,结构一,2020/12/3,16,She is,hard-working.,She will get A.,Look and say,If,she is hard-working,she will get good grades.,2020/12/3,17,Look and say,If,I have much money,I will buy a big house.,travel all over the world.,buy lots of delicious food.,2020/12/3,18,Look and say,If it is sunny this Sunday,What will you do if it is sunny this Sunday?,I will go fishing.,2020/12/3,19,B If sentences:actions with possible results,In these sentences,the verb tenses are different.The verb in the,if clause,is in the,simple present tense,while the verb in the other clause is in,the simple future tense,.,当表示假设条件下有可能产生的结果时，主句用一般将来时，从句用一般现在时，但主句从句都表示将要发生的动作。,2020/12/3,20,结构二,If,从句,+,一般现在时,主句,+,一般将来时,.,或：,主句,+,一般将来时,+if,从句,+,一般现在时,.,2020/12/3,21,If the picture is silly,，,strange or colourful,you will remember it better.,2020/12/3,22,1.I sometimes forget to take the right books to school.,2.I was away from school today.I dont know what to do for homework.,3.I sometimes forget which things to buy at the supermarket.,4.I hate getting up!I alwaays feel tired in the moring.,5.I dont know what this word means.,Williams sister is giving him advice about some of his problems.Match the half-sentences in column A with those in column B,and complete her advice for Willams problems below.,2020/12/3,23,A,B,If you write a shopping list,If you telephone your classmates,If you look it up in the dictionary,If you go to bed earlier,If you check your timetable(,时间表）,every night,they ll tell you what homework to do.,youll remember to get all the things.,youll find out its meaning.,you wont feel tired in the morning.,youll know which books to take.,Practice,Match on your book Page 104,B.,2020/12/3,24,if,引导的条件状语从句,观察下列句子，总结if引导的条件状语从句的用法。,【例句】,1.If you stand in the rain,you get wet.,2.You get wet if you stand in the rain.,3.If it doesnt rain tomorrow,I will plant some flowers in my garden.,4.I will plant some flowers in my garden if it doesnt rain tomorrow.,2020/12/3,25,【总结】,1.If表示“_”的意思，引导_状语从句。当表示条件成立就_（必然/可能）有某种结果（常用于客观真理）时，主句和从句都用_时（例1、2）；当表示条件成立就_（必然/可能）有某种结果时，主句用_时，从句用_时，简称“主将从现”（例3、4）。,如果,条件,必然,一般现在,可能,一般将来,一般现在,2020/12/3,26,2.,当,if,引导的从句放在主句前时，,_,（用,/,不用）逗号隔开两个句子（例,1,、,3,）；当主句在前时，则,_,（用,/,不用）逗号（例,2,、,4,）。,3.,记记这个顺口溜吧！,“,if,条件句不一般,几个要点记心间；条件句,放在前,逗号要放句中间；条件句表可能，主句多用将来时；条件句表事实，主句常用现在时。,”,不用,用,2020/12/3,27,注意：,If,引导的条件状语从句时，从句谓语不能用将来时，这时,if,意为“如果”。,If,引导宾语从句时，从句谓语可以用将来时，这时,if,意为“是否“。,Betty will visit the History Museum if it doesnt rain tomorrow.,Ben wants to know if it will be fine tomorrow.,“,如果”,“,是否”,2020/12/3,28,一、请判断下面句子的正误，如果有误，,请更正在后面的横线上。,1.If you will do more exercise this summer,you will be very fit.,2.The candle burns,if you light it.,will do do,把逗号去掉,Test yourself,2020/12/3,29,3,.I will build many schools for the poor children if I win a billion dollars.,4.If you freeze water,it will turn into ice.,5.My uncle visits the museum if he will have time.,正确,will turn turns,visits will visit,will have has,Test yourself,2020/12/3,30,1.He will help me with my Maths if he _ free.A.was B.will be C.would be D.is,2.I dont know _ he will come tomorrow,_ he comes,，,Ill tell you,A.if;Whether B.whether;Whether C.if;That D.if;If,Test yourself,二,.,选择正确的选项,2020/12/3,31,3,.Id like to play basketball with my good friends tomorrow if the weather _ nice.,A.wasB.has beenC.will beD.is,4.If you heat ice,it _ into water.,A.will turnB.turn,C.turnsD.turned,5.I was watching TV _ someone knocked at the door.,A.whenB.whileC.ifD.though,2020/12/3,32,6,._ Jenny heard the doorbell,_ she didnt answer it.,A.Although；/B.But；/,C.Though；butD.Although；but,7.My father told me that he _ back home the next week.,A.will comeB.would come,C.came D.comes,2020/12/3,33,三,.,用括号中的动词的适当形式填空。,1.Please tell her my telephone number if she _(want)to know.,2.Wang doesnt know if there _(be)an English evening next week.,3.Will you come and stay with us for a while if you _(finish)doing your homework.,4.Mike asked me if we _(ask)any questions the next class.,wants,will be,finish,would ask,2020/12/3,34,四,、根据中文意思完成句子。,1.如果你不运动，你会变胖。,If you _ _ exercise,you _ _ _.,2.如果我早完成作业，我会早点睡。,I _ _ to bed early if I _ my homework early.,3.如果你把水煮开，它会变成水蒸气。,If you _ water,it _ _ steam.,dont do,will get fat,will go,finish,boil,turns into,2020/12/3,35,Lets listen to an interesting story,and test you memory.,2020/12/3,36,egg,hen,chicken,hatch,孵,2020/12/3,37,Test you memory:Seven questions for you,1.What will happen if the young lady sells all her eggs?,2.What will she do if she has a lot of money?,3.What will happen if she has more hens?,4.What will she do if she becomes rich?,5.What will happen if she walks on the street in her nice clothes?,6.What happened to her at last?Did her dream come true?,7.What does the sentence“Dont count your chickens before they are hatched”mean?,2020/12/3,38,What does the sentence mean?,“Dont count your chickens before they hatched”,A:,不要赶时髦,B:,不要做无意义的打算,2020/12/3,39,P106 B Speak up B2,Imagine you have won,10,000 in a TV quiz show.Work in groups of three.Decide what you will do with the money.Then tell the class about your decision.,You may wish to:,keep it all for yourself(,全部留下来给自己）,give some to charities,（慈善机构）,give some to people in need,（需要）,give some to your family and friends,give some to your school,get advice from other people,If,I win,10,000,in a TV quiz show,I will,2020/12/3,40,B Speak up B1,Daydreams,B1,Work in groups.Read the,if,sentences in the thought bubble.Then each member of the group should complete a sentence until all eight sentences are finished.Remember that each sentence should be connected with the one before it.Write the sentences down and read them to the class.,If I pass my exams,Ill leave school.,If I leave school,Ill get a job.,If I get a job,Ill work as a _.,If I work as a _,_.,If I _,_.,If I _,_.,If I _,_.,If I _ ,_ .,Salesperson,salesperson,Ill make a good living,make a good living,Ill travel to the USA,visit New York,Ill go to the Statue of Liberty,Ill climb to the top of the torch,go to the Statue of Liberty,travel to the USA,Ill visit New York,P106,2020/12/3,41,1.He will help me with my Maths if he _ free.A.was B.will be C.would be D.is,2.I dont know _ he will come tomorrow,_ he comes,，,Ill tell you,A.if;Whether B.whether;Whether C.if;That D.if;If,Test yourself,2020/12/3,42,翻译下面句子。,1.,如果明天不下雨的话，我就和同学们去动物园。,2.,如果周六你去购物的话，我就去。,If it doesnt rain tomorrow,I will go to the zoo with my classmates.,I will go shopping on Saturday,if you go.,Test yourself,2020/12/3,43,3.,如果可能的话，我就去火车站接你。,4.,如果你想减肥，就锻炼身体吧。,If possible,Ill meet you at the railway station.,Take some exercise if you,want to be thinner/lose weight.,Test yourself,2020/12/3,44,温馨提示,if,条件句不一般,几个要点记心间,;,条件句,放在前,逗号要放句中间。,条件句表可能，主句多用将来时；,条件句表事实，主句常用现在时。,2020/12/3,45,Homework,Book B,Finish off the Study Papers,2020/12/3,46,谢谢大家！,结 语,