词性转换规律ppt课件.pptx

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1、词性转换规律,临川二中 孙如峰,英语词性/形的重要性,英语是重形的分析语,英语的多变在于其有严密的语法结构与多变的句型。句型结构多变的原因之一,是词性/形多变。词性变化导致句子结构变化。 新考高考模式下对词性的要求加大。如语法填空，改错都涉及到词性转换。书面表达同样要求准确表达。 基本单词词性的掌握有利于类推词性扩大词汇量,很可怕吗？,词性转换主要涉及n. v. adj. adv.转换及部分pron. num. 的变形。考察的是考纲基本词汇的变形。应对策略： 基本词的派生要熟悉，多读。 了解词性派生的基本规律。,常见词性转换考法（语法填空和改错）,1. V. n. adj. V.2.Adj.

2、adv. n. Adj. v. opp.adj,常见词性转换规律1. adjn. 的常见后缀,-ness Eg，happyhappiness kindness sickness sadness carefulness -(t)y 常加在t结尾的adj后。Eg， certainty royalty loyalty novelty safety difficulty modesty honesty ； delivery discovery recovery bravery -ity 加ity在r结尾的adj后。Eg，popularity， similarity majority minority

3、familiarity maturity sincerity necessity poorpoverty creativity curiosity diversity variety society,adjn. 的常见后缀,ent/antence/ance. Eg, present-presence absence silence difference patience intelligence confidence diligence evident-evidence importance significance distance ent-ency efficiency fluency f

4、requency currency emergency urgency accuracy-able-ability possibility responsibility,adjn. 的常见后缀,-dom wisdom boredom freedom kingdom -th warmth truth depth width birth death growth length strength height weight complaint,v.n.的常见后缀,-ment Eg，amazement amusement entertainment excitement astonishment ar

5、rangement judgement argument achievement development adjustment punishment publishment employment -(at)ion. prediction adoption adaptation education reflection attraction action rejection consideration combination exploration publication imitation implication simplification creation relaxation fixat

6、ion occupation starvation observation motivation impression expression depression realization organization 特例 compare comparison obey-obligation satisfaction recognition application Laughter,v.n.的常见后缀,-ance 加动词后appearance assistance resistance acceptance reliance ignorance preference reference occur

7、rence consequenced(e)结尾的动词变为sion。decide -decision conclusion persuasion division inclusionexpansion explosiond-se applause responseve/se结尾的动词变为val/sal。survival arrival approval proposal refusal disposalBelivebelief relieve-relief,-age postage package carriage storageshortage,特例的少数情况,Angry anger hung

8、ry hungerPermission submission admission omission pleasepleasure failure pressure mixturescribe结尾的变为ption。 Description subscription absorptionsume变sumption consumption assumption resumption,变adj,-y cloudy sunny funny rainy snowy stormy muddy messy dirty dusty thirsty greedy -al seasonal cultural nat

9、ural national original emotional mental professional occasional accidental -cal physical magical logical magical、medical -cial racial facial beneficial financial artificial essential influencial social -ic basic scientific energetic economic historic electric scenic optimistic pessimistic,变adj,-ful/

10、less joyful cheerful wonderful successful thoughtful grateful painfuluseful harmful helpful colorful meaningful hopeful pitiful merciful careful homeless endless jobless,变adj,-able 多加在动词后变能够.acceptable suitable reliable adjustable adaptable adoptable unbelievable unforgettable unacceptable unpredict

11、able honorable renewable Considerable- ous dangerous curious cautious humorous glorious various-ive impressive decisive persuasive attractive creative protective supportive,变adj （动词后加ed或ing）,-ing surprising exciting disappointing interesting amazing amusing inspiring movinginviting charming encourag

12、ing inspiring challenging understanding lacking outstanding Energy/time-saving/consuming peace-loving long-lasting easy-going good-looking-ed surprised excited disappointed interested amazed amused inspired movedunexpected admitted hurried undoubted unemployed appointed talented、gifted open-minded w

13、arm-hearted absent-minded open-ended man-made,变动词的后缀,en-un-ize -(i)fy-en,enrich enable enlarge ensure endanger encourage unload uncover unfold unpack uncage unlockrealize, organize recognizeapologize,modernizesimplify beautify satisfy clarify classify identify purifydeepen broaden widen shorten leng

14、then threaten,常见特定含义的前缀,Dis- disobey disappear dislike disagree disorder disadvantage Mis- mistake misuse mislead misread misunderstandRe- retell rewrite rebuild replace recycle reuse Pre- preview predict preread preschool,unfold, unlockuncage,形容词变副词一般规律: 通常是加ly. 请记住以下口诀：一般直接加，“辅y”改i加，“le”结尾e改y。,一般情

15、况直接加“ly”, (含以e结尾的和l结尾的形容词)quickly/recently/sadly;fortunately/widely/wisely/immediately/safely/politely/sincerely/ bravely, carefully/faithfully/peacefully, really/totally/naturally/fianlly/ especially; hopefully与 hopelessly hurriedly, suddenly, 特例true-truly,Adj-adv,以辅音字母加le结尾时,去e加y，如：simple-simply;

16、possible-possibly; probable-probably; terrible-terribly; gentle-gently; comfortable-comfortably 以-ll结尾时，只须加 yfull-fully, dull-dully;,Adj-adv,以辅音加“y”结尾的，将“y”改成“i”加“ly”happy-happily; heavy-heavily; angry-angrily; busy-busily; lucky-luckily easily necessarily VS. shy-shyly dry-dryly以ic 结尾的词，加ally，basic-basically; scientific-scientifically; economic-economically; automatically; 特例public-publicly。,