Word formationWord formation• 前缀 (prefix): 改变词义 , 有个别可以改变词性 .• 后缀 (suffix): 改变词性 .1. 转化法 (conversion) 2. 合成法 (composition) 3. 缩略法 (shorting)4. 派生法 (affixation)构词法 用来表示反义词的前缀用来表示反义词的前缀un-dis-in-imir-il-non-mis-给下列单词加上前缀 :agree, happy, polite, forgettable, logical, stop, dependent, lead,regular, possible, able, formal, understand,smoker, legal, responsible 用来表示反义词的前缀用来表示反义词的前缀• un-unhappy, unforgettable• dis- disagree, disable• in-independent, informal• im-impossible, impolite• ir-irregular, irresponsible• il-illegal, illogical• non- non-smoker, non-stop• mis- mislead, misunderstand 注意以下单词注意以下单词• understand,under• discuss,distance• inside,introduce• import,important• miss,mister以上单词不表示否定含义 . 常见的表示其他意义的前缀常见的表示其他意义的前缀• auto- automatic( 自动的 ), automobile( 汽车 )• re- repeat, rebuild• fore- foretell, forehead• self- self-service, self-confident• mini- minibus, miniskirt• super-superstar, supermarket• tele-telescope, telephone• up-upside, upstairs• en-encourage, endanger 给以下后缀归类给以下后缀归类-er, -or, -ful, -ize, -ship, -hood, -an,-less, -ly, -ist, -ous, -ism, -ish, -en, -ness, -ible, -ment, -ent, -wise, -ance, -ed, -tion, -age, -ify, -ee,-ess, -y, -al• n.adj.v.adv. •n.-er, -or, -ship, -hood, -ist, -ism, -ness, -ment, -ance, -tion, -age,-ee, -ess …•adj. -ful, -an, -less, -ous, -ish, -ible, -ent, -ed, -y, -al …•v.-ize, -en, -ify …•adv. -ly, -wise … 一．用所给单词的适当形式填空Model: The news filled them with .(proud)1. We were filled with when we heard all the villagers had been killed by the enemy. (angry)2. The success of our experiment is a great ______ to us all. (satisfy) 3. Scientists have in sending the sixth satellite into space. (success) 4. The singer gave a smile to all those who came to greet him. (friend) 5. We must do the experiment (care).prideanger satis-succeeded friendlycarefullyfaction 6. It will be to drive a motorcar through such a storm. (difficulty) 7. English is used in the world. (wide)8. In time of , man’s brains work much faster than normal. (dangerous) 9. “You are quite ” the teacher said. (mistake)10. The boy showed great in fighting the enemy. (brave)difficultwidelydanger mistakenbravery 11. He was so that he gave me many color pens. (kindness)12. The book has been out when I got to the bookstore. (sale) 13. Don’t be afraid of . (difficult)14. Who carried the boy to ? (safe)15. The Frenchman went to a _________ shop to get some medicine for his cough. (chemical) kindsold difficulty safety chemist
