词根词缀构词法PPT课件(PPT 67页)

1、Grammar1.第1页，共67页。Grammar(1)Conversion2.第2页，共67页。3.第3页，共67页。词性转化指的是单词从一个词类转到另一个词类而不发生词形的变化。它包括很多类别，如名词 动词、动词 名词、形容词 动词、副词 动词等。4.第4页，共67页。1.名词转化为动词 2.形容词转化为动词3. 副词转化为动词4. 动词转化为名词5. 形容词转化为名词5.第5页，共67页。1. 名词转化为动词1) 许多表示物件的名词可转化为动词来表示动作6.第6页，共67页。Who chaired the meeting? 谁主持会议？ It can seat a thousand pe

2、ople. 能坐一千人。 Each apartment can house a family of six. 每套房间可以住一户六口之家。 I hope we can room together. 我希望我们能住同一个房间。 This helped to bridge over our difficulties. 这帮助我们度过了困难。 They flowered well but bore little fruit. 它们花开得很好，但果结得不多。 7.第7页，共67页。2) 表示身体某部分的名词转化为动词8.第8页，共67页。Hand in your exercise-books, ple

3、ase. 请把练习本交上来。 Well back you up. 我们将作你的后盾。 Who headed the delegation? 谁任代表团团长？ 9.第9页，共67页。3) 表示某类人的名词转化为动词 10.第10页，共67页。If so, we shall be badly fooled. 如果这样我们就会上大当。 He insisted on staying up to nurse the child. 他坚持不睡觉来护理这个小孩。 We were hosted by members of the embassy. 我们受到大使馆成员的款待。11.第11页，共67页。4) 抽象

4、名词等转化为动词 12.第12页，共67页。Where do swallows winter? 燕子在哪里过冬？ We summered by Lake Geneva. 我们在日内瓦湖畔度过夏天。 For six days and nights they battled to save his life. 他们苦战了六昼夜来抢救他的生命。 Through my childhood, I had hungered for education. 我从小就盼望上学。 13.第13页，共67页。5）特定场合下的转化His argument contains too many ifs and buts.

5、他再说理时“如果”和“但是”用得太多了。This book is a must for students of electronics.这是学电子学的学生的一本必读书。Follow the following dos and donts in the lab.在实验室一定要遵守“能做的事”和“不能做的事”。14.第14页，共67页。2.形容词转化为动词15.第15页，共67页。Dry, narrow, quiet, clear, warm, slow, tidy 等词都可转化为动词。The room gradually quieted down.屋里慢慢的静了下来。They finally f

6、reed themselves from slaves.他们最后把自己从奴隶制度下解放出来。Please tidy your room.请整理好你的房间。16.第16页，共67页。The train slowed down to half its speed. 火车速度慢了一半。 This is the chief way of narrowing the difference between them. 这是缩小他们之间差距的主要办法。 Please warm up the dish over the stove. 请把菜放在炉子上加热一下。 The room gradually quiet

7、ed down. 室内慢慢静了下来。 17.第17页，共67页。3. 副词转化为动词This helped to further their unity. 这有助于促进他们的团结。Truth will out. 真相总会大白的。3000 workers there downed tools. 那儿三千工人罢工了。Please forward the letter to my new address. 请把信转到我的新地址。She will off and do her own things. 她将走掉去做自己的事。18.第18页，共67页。4. 动词转化为名词We stopped there

8、for a swim. 我们在那儿停下来游了一会儿泳。 This is for winter wear. Dont make it too tight. 这是冬天穿的，别做得太紧。 I like a quiet read after supper. 晚饭后我喜欢静静地看一会儿书。Women have an equal say in everything. 妇女在各方面都有同等的发言权。 19.第19页，共67页。*有时动词转化成名词后意思有一定的变化He has about the same build as his brother.他的体型和他哥哥差不多。Women have equal s

9、ay in everything. 妇女在各方面都有同等的发言权。 He won two games; the other two were draws. 他赢了两局，另外两局打平了。 20.第20页，共67页。5.形容词转化为名词 He didnt want to disturb the quiet needed by patients. 他不愿打扰病人需要的安静环境。 The boy is a dear. 他是个招人喜爱的孩子。 There is only one black in my class. 我们班上只有一名黑人学生。 21.第21页，共67页。Exercise: Rewrite

10、 the sentences as the example shows.Example: Whats the answer? They want me to answer the question. The Chicago Bulls won their first championship in 1991. There was a first championship _ for the Chicago Bulls in 1991.win22.第22页，共67页。2. Jordan surprised everyone when he retired. It was _ for everyo

11、ne when he retired.3. They changed the rules of the game to try to stop him. There was _ in the rules to try to stop him.a surprisea change23.第23页，共67页。More ExerciseHis answer was “No”.He _ “No”.2.My dream was to play for the Shanghai Sharks.I _ of playing for the Shanghai Sharks.answereddreamed24.第

12、24页，共67页。3. The interviewer asked Michael Jordan some questions about his career. The interview _ Michael Jordan about his career.4. At the end of the first half the score was 2-0 to China. China _ 2-0 at the end of the first half.questionedscored25.第25页，共67页。5. The star of the film was a young bask

13、etball player, Leroy. A young basketball player, Leroy, _ in the film. starred26.第26页，共67页。Exercise 3.1. A lot of young boys _ about playing in the NBA.2. The _ of the game was incredible 169 to 147.3. Michael Jordan was the biggest _ of the Chicago Bulls for many years.4. My uncle _ as a trainer fo

14、r the Shanghai Sharks.5. The teacher often asks us _ about basketball.dreamworkstarresultquestionnounnounverbnounverbworkedquestionsdreamresultstar27.第27页，共67页。Answers to exercise 4.1. broke2. head3. record4. played5. headed6. recorded7. play 8. break 28.第28页，共67页。Read the following sentences, payin

15、g specialattention to the underlined words.Chamberlain averaged over 50 points a game for an entire season.2. His average was more than 30 points a game.3. Jordan was the second player to score more than 3,000 points in a season.4. The final score was 169-147.v. 平均n. 平均数v. 得分n. 得分Exercise29.第29页，共67

16、页。Complete the sentences with the words.He _ his arm playing basketball.Yao Ming injured his _ during a game.Jordans total of points is a world _.Chamberlain _ for four different NBA teams.Break head play record dreambrokeheadrecordplayed30.第30页，共67页。After the game, the funs _ for the exit.We _ the

17、commentary of the game on a cassette.Has there been a film or a _ about basketball?Many boys _ about playing in the NBA.There was a ten-minute _ in the game, because a player was injured.His childhood _ has come true.headedrecordedplaydreambreakdreamBreak head play record dreamBreak head play record

18、 dream31.第31页，共67页。happy unhappy（加前缀）black adj.（黑）to blacken v.（使变黑）(加后缀）名词兼动词的care的派生词有：careful adj. carefully adv. carefulness n. Grammar(2)32.第32页，共67页。派生法（derivation）定义：派生法是在一个单词(词根)加上前缀(prefix)或后缀(suffix)，构成一个新单词的构词法。33.第33页，共67页。前缀prefixnon，un，dis，in，im，ir，il +adj/adv/n表否定意义 2. un-,dis+v 表相反3.

19、 mis+v, 表“错”“误”34.第34页，共67页。35.第35页，共67页。36.第36页，共67页。37.第37页，共67页。38.第38页，共67页。39.第39页，共67页。40.第40页，共67页。7.由前缀a-构成的副词前缀a-表达了介词at, on, in, away, from, up, to, out的词义。afloat(飘浮着)，abreast(并肩地，并排地)，afoot(在步行中，在进行中)，ashore(上岸，在陆上)，aside(在旁边，到旁边)，aboard(在船上)，afire(燃烧着)。41.第41页，共67页。42.第42页，共67页。43.第43页，共

20、67页。-ard, -art, 表示“做的人” coward, laggard, braggart(夸张者)44.第44页，共67页。45.第45页，共67页。46.第46页，共67页。47.第47页，共67页。48.第48页，共67页。49.第49页，共67页。50.第50页，共67页。51.第51页，共67页。52.第52页，共67页。-ant, -ent distant, important, excellent-ish boyish, girlish, childish,foolish53.第53页，共67页。54.第54页，共67页。4. 副词后缀-ly 表方式，程度 possibl

21、y, swiftly, simply, freely, clearly-ward, -wards 向.; 朝.方向 downward, upward，forward，eastward；inwards, afterwards-ways 在.方向，以.方式 always, sideways，crossways(交叉地)-wise 在.位置，以.方向 otherwise, clockwise(顺时针方向地)55.第55页，共67页。56.第56页，共67页。 -ish, 表示“使，令” finish, abolish, diminish, establish -ate, 表示“成为，处理，作用” s

22、eparate, operate, indicate 57.第57页，共67页。用法 例词n +fulpowerful hopeful wonderful painful beautiful helpfuln. +less构成词义相反的adjendless homeless careless fearlessn,. + icHistoric artistic fantastic dramatic poeticn. + alNational environmentaln. + iveActive expensive58.第58页，共67页。用法例词n.+ ousfamous courageous

23、 n. + ablecomfortable reasonablen.+ iblesensible responsiblen. + y rainy sunny cloudy windyn. + lyfriendly monthly59.第59页，共67页。2. 形容词后缀-able, -ible movable, comfortable, applicable, visible, responsible-al natural, additional, educational-an, ane urban, suburban, republican-ant, -ent distant, import

24、ant, excellent-ish boyish, childish -ful beautiful, wonderful, helpful, truthful-ous dangerous, generous, courageous, various60.第60页，共67页。4. 副词后缀-ly possibly, swiftly, simply-ward, -wards downward, inwards, upward-ways always, sideways-wise otherwise, clockwise61.第61页，共67页。 用括号中所给单词的适当形式填空。If you go

25、 by train, you can have quite a _(comfort) journey, but make sure that you take an express train.She is a teacher with _(end) patience, so all children in her class like her very much. comfortable endless62.第62页，共67页。3. After _ (care) consideration we decided to offer you the job. 4. She was on _ (friend) terms with most of the hospital staff. 5. No matter how _ (power) the enemy seem, we must fight them to the end.carefulfriendlypowerful63.第63页，共67页。ExerciseWrite sentences about your favourite sport or pastime. Use as many words as you can from Activity 4.64.第64页，共67页。高考链接At times, worryin