英语主要有三种构词法.ppt

1、Grammar,构词法 (Word Formation),英语主要有三种构词法: 1.派生(Derivation):通过加前缀或后缀构成另外一个词: e.g. happy- unhappy (加前缀) - happiness (加后缀) 2.合成(Compounding):由两个或更多的词合成一个词 e.g. wood(木)+ cut(刻)-woodcut(木刻) 3.转化(Conversion) 由一个词类转化为另一个词类: e.g. water (n.)水 - water (v.)浇水,前缀,un-dis-im- mis- re- anti-,后缀,-er -or -ness -ment

2、-tion -less -ful -ward(s),派生词 Derivation,Guess the meaning,Baker concludes that people do not have the ability to sense when theyre being stare at. If people doubt the outcome of his two experiments, said Baker, “I suggest they repeat the experiments and see for themselves.”,value B. result C. perfo

3、rmance D. connection,合成词 Compound,pain-killer,止痛药,color- blind,色盲,sleep-walk,梦游,sleep-walker,1. 合成名词 (1) n+n air conditioner blood pressure income tax credit card (2) adj + n central bank fast food,空调 血压 所得税 信用卡 中央银行 快餐,solar system remote control (3) v-ing +另一词 washing machine driving license (4) 其

4、他方式 by-product editor-in-chief,太阳系 遥控 洗衣机 驾驶执照 副产品 主编,2. 合成形容词 (1) 过去分词或带ed词尾的词构成。 absent-minded grey-haired (2) 动词的ing 或另一词构成 long-suffering far-reaching,心不在焉的 头发灰白的 长期受苦的 深远的(影响),3. 合成动词及合成副词 overeat baby-sit empty-handed,吃得太多 看孩子 一无所获的,1. He was one of the best _ in yesterdays football match. (pl

5、ay) 2. Look! How _ Kate is laughing! (happy) 3. It snowed _ last night and now the streets are covered with snow. (heavy) 4. Edison was a great _. During his life he had many _. (invent),players,happily,heavily,inventor,inventions,构词法精练,Use the appropriate form of the words to fill in the blanks.,5.

6、 More and more _ have come to visit China over these years. （foreign） 6. We want _ reasons for your failure to help. (satisfy) 7. Please give me some reference work. It will _ my task. (simple) 8. The boy had the _ of being half starved. (appear) 9. The police have _ a plot against the President. (c

7、over) 10. The doctor said that Marys mother needed an _.(operate),foreigners,satisfactory,simplify,appearance,uncovered,operation,11. She hoped that her son would become a _. (music) 12. Few _ words made us excited. (speak) 13. The days on the moon get hotter than _ water. (boil) 14. Thank you for y

8、our _. (kind) 15. Many college students work while they are studying because they want to make some money for their college _ . (expensive) 16. Most international _ letters are written in English, too. (busy),musician,spoken,boiling,kindness,expenses,business,17. The boy noticed an _ mistake on his paper, but he decided not to say anything about it. (correct) 18. When in Rome, do as the _ do. (Rome) 19. The teacher w