22构成动词的后缀

1、1.-(e)n使成为，引起，使有使成为，引起，使有(1)某些形容词后某些形容词后-(e)n weak weaken(使使)虚弱，减弱虚弱，减弱 short shorten缩短缩短 sharp sharpen(使使)变锋利变锋利,明朗明朗(2)某些名词后某些名词后-(e)n fright frighten（使）惊吓（使）惊吓 length lengthen加长加长strength strengthen加强加强2. (i)fy 使使化，使成化，使成 beauty beautify美化美化pure purify提纯提纯simple simplify使简使简quality qualify取得资格（或取

2、得资格（或学历）学历）class classify.分类分类3. ize/-ise 做成，变成，做成，变成，化化real realize意识到意识到organ organize组织组织apology apologize道歉道歉modern modernize使现代化使现代化normal normalize 使正常化使正常化4. ate 动词词尾，名词形式常动词词尾，名词形式常为为“-ation”decorate 装饰装饰 communicate 交流交流accumulate 积累积累 compensate 补偿补偿一、用括号内所给单词的正确形式一、用括号内所给单词的正确形式填空。填空。1. N

3、othing could _ (weak) his resolution to continue.2. Her names Katherine, generally _ (short) to Kay.即时练习即时练习weakenshortened3. The application forms _ (simple).4. He _(quality) as a doctor last year.5. All_ (donation) blood is tested for HIV and other infections.have been simplified qualified donated

4、 6. We _ (apology) for the late departure of this flight.7. The article can _ (long) out a little by adding some examples. apologizelengthen 8._(graduation) from Beijing University, my father has been working there.9. His illness _ (worse) during the night.10.This knife needs _ (sharp).sharpeningHav

5、ing graduating worsened 二、改错：每小题有一个构词法错二、改错：每小题有一个构词法错误，请找出并更正。误，请找出并更正。1. We must strength government of the people，by the people and for the people.2. He fast up his coat and hurried out.strengthstrengthen fastfastened3. The company is investing plenty of money to modern its factories.4. The father terribly his children with ghost stories last night.5. Relations between our two countries normal .normalhave been normalized modernmodernizeterriblyterrified三、按要求完成表格。三、按要求完成表格。n. or adj.词义词义v.词义词义civil国民的国民的bright明亮的明亮的dark黑暗的黑暗的electric用电的用电的soft温和的温和的mechanic机械师机械师