英语人教版九年级全册初中英语构词法ppt课件.ppt
,Welcome to our class! English word formation,Lead in Share a story,If you meet the new words when reading, what will you do ?,Guess the meaning.,How ?,The skills of guessing the meanings of words in different ways.,Topic,Word formation 构词法,blackboard,pollution,afternoon,basketball,homework,postman,supermarket,horse-riding,believable,salty,prediction,traveler,successful,beginning,education,badly,unhappy,cooker,合成词,派生词,一、合成法（blackboard）,homesickwaiting-roomkind-hearted,把两个或两个以上独立的词合成一个新词。,adj. 思乡的,n. 候车室，候诊室,adj. 好心的,time-travel TV dramaant-like graduatedaddy-is-the-keyan angel with broken-wingsoverseas returneeleftover ladieslady-killersecond-kill,我是网络小达人,穿越剧,蚁族,拼爹,折翼的天使,海归,剩女,少女杀手,秒杀,二、派生法（Derivation） pollute+tion-pollution,由词根(root)加前缀（prefix）或后缀（suffix）构成新词。,Some useful prefixes,un-,dis-im-mis-non-,unhappy,disagree,impossible,mislead,non-smoker,Lets try!,unclearmisunderstand unlockdiscover unfold,adj. 不清晰的,v. 误解,v. 开锁,v. 发现,v. 打开,1、构成表示人的名词的后缀,leader owner actor visitor artist scientist,Some important suffixes:,词根-er/-or/-ist表示人,Some important suffixes:,2、构成抽象名词与集体名词的后缀,movement encouragement improvement,congratulation celebration decision,kindness sickness darkness,词根+-ment/-tion/-ness构成名词,3、形容词后缀,friendly brotherly weekly,homeless careless harmless,hopeful harmful thankful,cloudy healthy sandy,excited exciting interesting,comfortable enjoyable valuable,词根加-able,-ful,-less,-ly,-y,-ed,-ing构成形容词,Some important suffixes:,4 、副词后缀,sadly shyly usually,形容词-ly,2、构成表示人的名词的后缀,词根-er/-or/-ist表示人,3、构成抽象名词与集体名词的后缀,词根+-ment/-tion/-ness构成名词,4、形容词后缀,词根加-able,-ful,-less,-ly,-y,-ed,-ing构成形容词,5 、副词后缀,1、表示否定的前缀,un-,dis-, im-, mis-, non-表示人,形容词-ly,穿鞋子戴帽子,nation succeed luckcareactablefriend,三、转化法visit v.-visit n.,不用借助构词词缀，把一个单词从一种词类转化成另一种词类的方法称之为转化法。,Never trouble trouble until trouble troubles you.,v.,n.,n.,v.,派生法（Derivation）,合成法(Compounding),转化法（Conversion）,缩略法（Abbreviation）,able - unable; teach - teacher,space+ship-spaceship,visit v.-visit n.,Do it yourself! -DIY.,Well have a _ holiday. What about going to West Lake? A. two days B. two-day C. two-days2.The soldier died for saving the child，so his _ is heavier than Mount Tai. A.die B.dead C.death3.The child looked_at his brother who was badly wounded.A.sadly B.sadness C.sad4.He is an expert at chemistry.We all call him a_.A.chemistry B.chemical C.chemist,中考链接,5.When the teacher praised him for working out the maths problem，Jack looked_ at his classmates.A.proud B.proudly C.pride 6.To everyones _，the girl finished the job quite well.A.satisfied B.satisfying C.satisfaction7.It is not regarded as one of his most famous _.A. work B.working C. works,翻译句子,1. He is blind but he is always fighting with blindness.2 . Though you failed , dont be afraid of failure. 3 . He never depends on his parents. He is an independent man.4 .他是个勤奋的工人，他工作非常努力。5 .他对科学研究很感兴趣，因为他觉得科学很有意思。6 .我爸爸很关注健康。他有一个健康的生活方式。,So when you meet unknown words, calm yourself first. Take a couple of breaths, and think of the context. Use your own knowledge of the subject. Dont consult the dictionary. This will break your process of reading and understanding.,So when you meet unknown words, calm yourself first. Take a couple of breaths, and think of the context. Use your own knowledge of the subject. Dont consult the dictionary. This will break your process of reading and understanding.,How to guess the meaning of words?,构词法,同义词,因果关系,转折、对比,生活常识,Summary,HomeworkPrepare for the dictation.Finish the exercise on P34.,Thank you for your listening ！,
