高三英語(yǔ)一輪復(fù)習(xí)派生詞課件

GoodAfternoon!MessageboardWhatisyourbiggestdifficultyinlearningEnglish?WhatisyourbiggestdifficultyinlearningEnglish?VocabularyHowtorememberwordmoreefficiently?AftersomanyyearsoflearningEnglish,haveyoufoundsomeeasywaysto

doubleyourvocabulary?UseprefixesandsuffixesOryoucancloneitWordFormation——Derivation構(gòu)詞法—派生詞Derivation

(派生詞)root詞根prefix前綴suffix后綴++unhappinessthebeginningofawordtheendofawordPrefix

(前綴)

Readthefollowingsentencesandtrytounderstandthewords'meanings

inbold.

Tip:Guessthemeaningsofthelettersinred.Task1

NegativeprefixesPrefixMeaningExampleil-in-im-dis-un-不incorrectillegalimpossibledislikeuncertain不喜歡不正確的不合法的不可能的不確定的correctlegalpossiblelikecertainmis-misunderstand誤解understandFacingalotofaffairs,youneedtomakeaplantoprearrangethem.Thisbridgeisbrokensoweneedtorebuildit.

Readthefollowingsentencesandtrytounderstandthewords'meanings

inbold.

Task2

Tip:Guessthemeaningsofthelettersinred.OtherprefixesPrefixMeaningExamplepre-re-在...之前再previewreview預(yù)習(xí)復(fù)習(xí)viewviewsuffix

(后綴)RuleSuffixExampleadj.＋suffix→n.

v.＋suffix→n.

Nounsuffixesteach→difficult→weak→perform→improve→pollute→teacherdifficultyweaknessperformanceimprovementpollution老師困難虛弱表演改進(jìn)污染-ness-y/-ty/-ity-er/-or-ance/-ence-ment-tion/-sionRuleSuffixExamplev.＋suffix→adj.n.＋suffix→adj.

Adjectivesuffixesdiffer→music→create→use→use→different

musicalcreativeuselessuseful舒適的不同的音樂(lè)的創(chuàng)造性的無(wú)用的有用的danger→dangerous危險(xiǎn)的-able/-ible-ant/-ent-ic/-al/-ical-ive-ous-ful-lessSuffixRuleExampleadj.＋ly→adv.

Adverbsuffixeshappy

→slow→careful→busy

→possible

→

simple→happilyslowlycarefullybusilypossiblysimply開(kāi)心地緩慢地仔細(xì)地忙碌地可能地簡(jiǎn)單地一般情況直接加-ly“輔音字母＋y”結(jié)尾，改“y”為“i”，再加-ly以“-le”結(jié)尾，去“e”，再加“y”independenceindependenceprefix(前綴)root(詞根)suffix(后綴)Prefix:agroupoflettersthatisaddedtothebeginningofawordtochangeitsmeaning.Suffix:aletteroragroupoflettersaddedtotheendofawordtomakeadifferentword.agreedisment

prefixsuffixchangethemeaningofawordchangethepartofspeechofawordV.n.perfectimperfectionperfectionimperfectwordprefixsuffix['prif?ks]['s?f?ks]前綴后綴Prefixesmaychangethemeaningsofwords.Suffixesmaychangethepartsofspeech(詞性)ofwords1.ChineseNewYearisa_________(celebrate)markingtheendofthewinterseasonandthebeginningofspring.（2020年全國(guó)卷II）2.Filledwith_______(curious),theartistpackedhisbagsandleft.（2020年全國(guó)卷III）3.Then,handlethemostimportanttasksfirstsoyou’llfeelarealsenseof__________(achieve).（2016年全國(guó)卷II）celebrationcuriosityachievement5.The_________(beauty)longbranchescoveredwithpink-coloredbuds(蓓蕾)makefantasticdecorations.（2020年全國(guó)卷II）6.Schooluniformsare__________(tradition)inBritain,butsomeschoolsarestartingtogetridofthem.（2019年浙江卷）7.Theobviousoneismoney;eatingoutonceortwiceaweekmaybe__________(afford)butdoingthismostdaysaddsup.（2018年浙江卷）beautifultraditionalaffordable7.Landingonthemoon’sfarsideis________(extreme)challenging.（2020年全國(guó)卷I）8.Asthesmallboatmoved______(gentle)alongtheriverhewasleftspeechlessbythemountainsbeingsilentlyreflectedinthewater.(2020年全國(guó)卷Ⅲ)9.________(certain)duringtheholidayperiod,thisplantisamust.（2020年全國(guó)卷II）extremelygentlyCertainly不同詞性在句中的不同用法：作主語(yǔ)、及物動(dòng)詞或者介詞的賓語(yǔ)，一般用____。作謂語(yǔ)、動(dòng)詞不定式中，一般用____。作定語(yǔ)、表語(yǔ)或補(bǔ)語(yǔ)，一般用______。修飾動(dòng)詞、形容詞或整個(gè)句子等作狀語(yǔ)，一般用____。名詞動(dòng)詞形容詞副詞nationalvisitorsachievements