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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,0,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,0,Word Formation,构词法,The secret of English words.,Word Formation构词法The secret o,1,Learning objectives:,1.,观察总结常见的词缀的含义，如：,im-,；,in-,；,dis-;-less,2,根据构词法猜测新单词意思,Learning objectives:1.观察总结常见的词,2,Before class:,Lets read it together loudly,When you open a dictionary,you often come across a lot of,un,familiar,words.But word,formation,can help you,overcome challenge,s,of memorizing,mountain,ous,words.So what,have,driv,en,develop,ment,of English so far?Dating back to three invasions,into Britain,English brought a lot of words and,express,ions,from Germany and France.,Before class:,3,As time goes by,English has played a,great,ly,important part in,world-wide,cultural and economic activities.Most English,learners,want to,better,their future life.,As time goes by,English h,4,Abbreviation(,缩写,),Abbreviation(缩写),5,Compounding,合成,bat,man,Compounding 合成batman,6,Unlock!,Unlock!,7,Conversion(,转化法,),The,rain,poured down.,rain,动词,rain,名词,单词可从一种词性转化为另一种词性。,单词转化前后的意义联系密切。,It,rains,cats and dogs.,Conversion(转化法)The rain poured,8,Guess the meanings of the underlined words and their part of speech,1.Taylor Swift is her,favourite,singer.,2.She loves a lot of singers but Taylor Swift is her,favourite.,n,.意为,“最喜爱的东西或人,”,a,.意为,“最喜爱的,”,Guess the meanings of the und,9,Guess the meanings of the underlined words and their part of speech,3.Tourists,must,try hot pot when they visit Sichuan.,4.Hot pot is a,must,for all tourists to taste in Sichuan.,n,.意为,“必须做（买、看）的事,”,v,.意为,“必须做,”,Guess the meanings of the unde,10,Guess the meanings of the underlined words and their part of speech,5.The child was looking at the chocolate cake with his greedy,eyes,.,6.The child was,eyeing,the chocolate cake greedily.,v.,意为,“注视,”,n,.意为,“眼睛,”,Guess the meanings of the unde,11,Derivation,（派生）,Derivation（派生）,12,im,possible,in,correct,un,happy,dis,agree,possible,correct,happy,agree,negative meaning,否定，不,Important prefixes,impossiblepossiblenegative mea,13,Do you know what is prefix?,prefix(,前缀,),一般情况，前缀改词义,Do you know what is prefix?pre,14,Common suffixes,(1),teacher(2)education,(3)quickly,(4),ability(5)artist(6)hopeful(7),dangerous(8),illness(9),mountainous (10),development(11),coldly,(1),teach,er,;,(2)educa,tion,；,(4)abil,ity,；,(5)art,ist,；,(8)ill,ness,；,(10),develop,ment,；,(6)hope,ful,；,(7)danger,ous,；,(9)mountain,ous,(3)quick,ly,；,(11)cold,ly,名词：,形容词,副词：,把单词的后缀画出来并尝试按词性归类,Common suffixes(1)teacher(2),15,Do you know what is suffix?,suffix(,后缀,),一般情况，后缀改词性,Do you know what is suffix?s,16,Important suffix:-less,When,COVID-19,（新冠病毒）hit Wuhan city,help,less,patients felt hope,less,.But the self,less,doctors and nurses encouraged them to beat down virus and feel hopeful for future life.,adj.,无助的,adj.,无望的,adj.,无私的,-less:”without”,否定后缀,Important suffix:-less When C,17,Please guess the meanings of underlined words.,1.It is a,dishonest,behavior to cheat on the test.,2.,Homeless,children don,t get enough protection,from society.,a.,不诚实的,a.,无家可归的,Please guess the meanings of u,18,Word Formation,构词法,Abbreviation,(,缩写,),Compounding(,合成,),Conversion(,转化,),Derivation(,派生,),Prefix,前缀,Suffix,后缀,Summary,Word FormationAbbreviation(缩写),19,Practice:,When you open a dictionary,you often come across a lot of 1._(familiar)words.But word formation can help you overcome 2.,_,(challenge)of memorizing 3._(mountain)words.So what,have,driv,en,4._(develop)of English so far?Dating back to three invasions into Britain,English brought a lot of words and 5._,_,_(express)from Germany and France.,unfamiliar,challenges,mountainous,development,expressions,Practice:unfamiliarchallengesm,20,As time goes by,English has played a 6._(great)important part in world-wide cultural and economic activities.,Most,English learners want to,better,(,7,.写出词性和中文意思：,_,)their future life,.,greatly,v.,改善；提高,As time goes by,English h,21,Why do we learn word formation?,Why do we learn word formation,22,高中英语语法-构词法-Word-formationppt课件,23,Mind Map,Mind Map,24,Works from students,Works from students,25,Works from students,Works from students,26,Homework,Try to use word formation to improve your memorizing efficiency and make some mind maps while you are reciting the words in Unit1and Unit2.,试着用思维导图来帮助单词记忆。,画出unit1-unit2 以下几个单词的思维导图like,impress,eager,argue,fright,confuse,create的相关词性转化单词和固定搭配。,HomeworkTry to use word format,27,Thanks!,Thanks!,28,
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