Unit 5 Healthy Life 動(dòng)詞的前后綴我知道 教學(xué)課件

Unit5HealthyLife動(dòng)詞的前后綴我知道CONTENTSprefix/suffix:en1prefix:be2suffix:-fy34suffix:-ize/-ise英文構(gòu)詞法通過(guò)在詞根、單詞上加前綴或后綴構(gòu)成一個(gè)新詞派生法一個(gè)單詞由一種詞性轉(zhuǎn)化為另一種或幾種詞性而詞形不變的方法轉(zhuǎn)化法由兩個(gè)或者兩個(gè)以上的單詞連在一起合成一個(gè)新詞合成法將單詞縮寫(xiě)，詞義和詞性保持不變截短法英文構(gòu)詞法Head:改變單詞意思前綴（prefixes)Tail:改變

單詞性質(zhì)后綴(suffixes)Doyouknow?prefix/suffix:en01prefix:enen

case（箱子）en

cage（籠子）en

cave

(洞穴）en

tomb

(墳?zāi)梗〆n

roll（卷軸）entrain(火車(chē)）

Let’sguess!P.S：en：作前綴僅用于動(dòng)詞前綴作后綴可作動(dòng)詞、形容詞及名詞詞綴en:1.加在某些名詞前構(gòu)成動(dòng)詞“置于......之中”“使......上”“登上”prefix:enLet’sguess!P.S：en：作前綴僅用于動(dòng)詞前綴作后綴可作動(dòng)詞、形容詞及名詞詞綴en:2.加在另一些名詞前構(gòu)成動(dòng)詞“用......做某事”“飾以......”

en

chain（鏈條）

enframe（框架）encloud(云）en

title(題目）en

lace（系帶）en

trap(陷阱）

prefix:enReadingwillenlargeyourvocabulary.enlarge01Yourpolitenesswillendearthemtoyou.endear02Atnotimeshouldyouendangeryourselforothers.endanger03It’simportanttoencouragegreen,low-carbonwaysoflifeandproduction.encourage04en:3.加在某些形容詞或名詞前構(gòu)成動(dòng)詞“使......成某種狀態(tài)”“使......如同”“作為......”prefix:enenforceepidemiccontrolmeasuresenforce01letyourarmsenfoldusenfold02Ittakestheearthoneyeartoencirclethesun.encircle03encloseittoholdwaterenclose04en:4.加在某些動(dòng)詞前構(gòu)成新的動(dòng)詞in之意只做加強(qiáng)意義prefix:en“使......變成”en:跟在形容詞或者形容詞比較級(jí)、名詞后構(gòu)成動(dòng)詞shorten、darken、deepen、broaden、sharpen、soften、widen形容詞：lessen、worsen、形容詞比較級(jí)Doyouknow?名詞strengthen、heighten、frighten1.Iaskedthephotographerto________thepictureenlarge.sharplarge

2.Musiccan________yourlife.richjoy3.Canyou________thepencil?

4.Hewasbeginningto________thethebeautiesofnature.prefix:enprefix:be02prefix:be

become1.be:使...成為

Tobeyourself,isnottobelittleyourself,nottoovercorrect,nottofollowthetide,nottostandstill.做自己，不妄自菲薄，不矯枉過(guò)正，不隨波逐流，更不固步自封。prefix:bebelittle

prefix:bebelittleWearewillingtobefriendtheweakandthepoor.我們?cè)敢夥鲋跽吲c窮人。prefix:be2.be:“加以/飾以...”蒙蔽、使......變暗becloud01注視、把.......視為behold02掩蓋belie03加粉末bepowder04be:“加以、飾以.......”prefix:beExercises02bewarebefoolbefallbeguilesuffix:-fy/ify03suffix：-（i）fy/-fyclassify通知notify美化beautify簡(jiǎn)化simplify分類suffix：-（i）fy/-fy

tomake~

使......成為使......化excercises03uglifyglorifysolidifytestifyminifypurifyquanlitifymodifyrectifyterrifyunifyvivifysatisfyhorrifyidentifyelectrifydiversifycertifycodifyfortifyhumidifysuffix:-ise/-ize04suffix:-ise/-ize美式寫(xiě)法-ize英式寫(xiě)法-iseIfyouapologize,youofferan

apology.suffix:-ise/-ize

cause,makeorbecomesomething

使......成為......化變成......的狀態(tài)suffix:-ise/-izeOneshouldnevercriticizeifoneisnotsureofone’sfacts.一個(gè)人如果對(duì)自己掌握的事實(shí)沒(méi)有把握，就絕不該隨便批評(píng)。critical→criticizesuffix:-ise/-izeIOCpresidentspeakshighlyofChina’sabilitytoorganizeOlympicGames.奧委會(huì)主席高度評(píng)價(jià)了中國(guó)承辦奧運(yùn)會(huì)的能力。organization→organizesuffix:-ise/-izeTaoguangmeansnottoadvertiseone’sstrongpoints,andnevertoboastaboutorshowoffone’stalentorskills.韜光即收斂自己的光芒，不以自身優(yōu)長(zhǎng)而炫耀、張揚(yáng)。advertise1.Thehandsholdingtheearth__________takingactionswithlove.symbol

beauty

2.

Tryto________yourexplanationforthechildren.simpleminimumExercises3.Plantingflowersalongthestreetswillhelpto