22构成动词后缀.ppt
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扩大词汇有招数(22)
构成动词的后缀;-(e)n使成为,引起,使有
(1)某些形容词后-(e)n
weak →weaken(使)虚弱,减弱 short→ shorten缩短
sharp→ sharpen(使)变锋利,明朗;(2)某些名词后-(e)n
fright→ frighten(使)惊吓
length→ lengthen加长
strength → strengthen加强;2. –(i)fy 使……化,使成
beauty→ beautify美化
pure→ purify提纯
simple →simplify使简
quality→ qualify取得资格(或学历)
class →classify.分类;3. –ize/-ise 做成,变成,……化
real→ realize意识到
organ→ organize组织
apology →apologize道歉
modern→ modernize使现代化
normal→ normalize 使正常化;4. –ate 动词词尾,名词形式常为“-ation”
decorate 装饰
communicate 交流
accumulate 积累
compensate 补偿;一、用括号内所给单词的正确形式填空。
1. Nothing could _______ (weak) his resolution to continue.
2. Her name’s Katherine, generally __________ (short) to Kay.;3. The application forms __________________ (simple).
4. He _________(quality) as a doctor last year.
5. All________ (donation) blood is tested for HIV and other infections.;6. We ________ (apology) for the late departure of this flight.
7. The article can _________ (long) out a little by adding some examples.;8.________________(graduation) from Beijing University, my father has been working there.
9. His illness _________ (worse) during the night.
10.This knife needs _________ (sharp).;二、改错:每小题有一个构词法错误,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.;3. 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 .;三、按要求完成表格。
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