人教版高中英语构词法课件(共16张PPT).ppt

1、构词法Grammar:合成(Compounding)派生法（Derivation）【前缀/后缀】转化法（Conversion）【词性转换】Classify:pathway freedom darkest place Frustration lock everyday riverside loneliest合成词(有两个或更多的词合成一个词):转化词(将一种词性转化成另一种词性):派生词(在词根上加上前、后缀构成另外一个词):everyday pathway riversidefrustration darkest loneliest freedomlock place 加前缀：happy-_h

2、appy 加后缀：develop-develop_ 既加前缀又加后缀：employ-_employ_unmentunment派生词（derivation）1.前缀:（含义）Pre-pre-record,prepay,pre-heatRe-rewrite,reconsider,reuse=before.之前Preserve,prehistoric,precaution重新dis-（不）disagree,dislike,disappearmisunderstand,misleadmis（错误或失当）miniskirt,minibussupermarket,supermansuper-（超级）min

3、i-（微小）in/im-（不）incorrect impossibleUnable,unexpected,unhealthy,unnecessaryun (不，否定）foretell,forecastpost(之后)postwar,post-readingfore-(前，预先)semicircle,semi-finalsemi-(半，部分)antiwar,anti-Japanese waranti-(阻止，抗)underground,underwearunderline,underestimateunder-developedunder-（在下，少于，不足）常见的后缀1.名词后缀：-er-or

4、-ist-mentteacher,workervisitor,sailor scientist,pianist,naturalistdevelopment,movementgovernment,department行为，机构人，家-ityability,possibilityfragility,fertility性质，情况，状态-hood 时期，情况childhood,brotherhood-ion/tion/sion/ation行为，情况action,solution,conclusionrelaxation,interpretation-ness 情况，性质carefulness,care

5、lessnessfriendliness-ship 2.形容词后缀：-ous-ful-able,-ible-less-ant,-ent-ary-al-ive有.的，属于的dangerous,humorous具有的helpful,careful可以.的comfortable,acceptable,avoidable,responsible具有某种性质的 important,excellent倾向于的secondary,temporary无的colourless,harmless,useless与有联系的financial,expressional,表示某种可能性的Sensitive,compet

6、itive,impressive,protective,secretive3.构成副词的词缀：-ly-wards地，表方式quickly,softly,yearly向朝backwards,forwards4.构成动词的后缀-en使.的blacken,broaden,darken,sadden,sharpen,soften,strengthen对比：en-前缀使.发生,放入enable,endanger,enrich,enclose-fy化，做simplify,beautify,uglify,clarify,satisfy转化法（Conversion）tasten.味道v.尝起来It has a

7、 good taste.It tastes very good.recordn.记录v.记录He broke the record.He lies to record something while reading a book.1.That man was_enough not to tell the manager that he would not do the job.A.careB.carefulC.carelessD.carelessness2.The soldier died for saving the child，so his_ is heavier than Mount T

8、ai.A.die B.dead C.died D.death3.The child looked_at his brother who was badly wounded.A.Sadly B.sadness C.sadly D.sad4.He is an expert at chemistry.We all call him a _.A.Chemistry B.chemical C.chemist D.physician5.The doctors advice_him from drinking and smoking.A.Encouraged B.couragedC.encouragemen

9、tD.discouraged6.Stephenson became the_railway engineer in the world.A.lead B.leaderC.leading D.leadership7.When the teacher praised him for working out the maths problem，Jack looked_about at his classmates.A.proudB.proudlyC.pride D.pridely8.To everyones _，the girl finished the job quite well.A.satis

10、fied B.satisfactory C.satisfying D.satisfaction9.Letting that animal escape was no accident；you did it _.A.intendB.intentionC.intentionallyD.intentional10.The shop owner welcomed all the guests with a_smile.A.practiceB.practise C.practicalD.practiced11.The_ordered him to pay a$100 fine.A.judgerB.judgmentC.judgeD.judgement12.My TV is out of order.Can you tell me what is the_news about Iraq War?A.latelyB.latest C.later D.latter13.The Great Wall is more than 6000liin _.A.longerB.length C.longD.longing14.To my _，I passed the exam easily.A.joyB.joyful C.joylessD.joyness