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

Unit5HealthyLife動詞的前后綴我知道CONTENTSprefix/suffix:en1prefix:be2suffix:-fy34suffix:-ize/-ise英文構(gòu)詞法通過在詞根、單詞上加前綴或后綴構(gòu)成一個新詞派生法一個單詞由一種詞性轉(zhuǎn)化為另一種或幾種詞性而詞形不變的方法轉(zhuǎn)化法由兩個或者兩個以上的單詞連在一起合成一個新詞合成法將單詞縮寫，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）

Let’sguess!P.S：en：作前綴僅用于動詞前綴作后綴可作動詞、形容詞及名詞詞綴en:1.加在某些名詞前構(gòu)成動詞“置于......之中”“使......上”“登上”prefix:enLet’sguess!P.S：en：作前綴僅用于動詞前綴作后綴可作動詞、形容詞及名詞詞綴en:2.加在另一些名詞前構(gòu)成動詞“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)成動詞“使......成某種狀態(tài)”“使......如同”“作為......”prefix:enenforceepidemiccontrolmeasuresenforce01letyourarmsenfoldusenfold02Ittakestheearthoneyeartoencirclethesun.encircle03encloseittoholdwaterenclose04en:4.加在某些動詞前構(gòu)成新的動詞in之意只做加強意義prefix:en“使......變成”en:跟在形容詞或者形容詞比較級、名詞后構(gòu)成動詞shorten、darken、deepen、broaden、sharpen、soften、widen形容詞：lessen、worsen、形容詞比較級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，不矯枉過正，不隨波逐流，更不固步自封。prefix:bebelittle

prefix:bebelittleWearewillingtobefriendtheweakandthepoor.我們愿意扶助弱者與窮人。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簡化simplify分類suffix：-（i）fy/-fy

tomake~

使......成為使......化excercises03uglifyglorifysolidifytestifyminifypurifyquanlitifymodifyrectifyterrifyunifyvivifysatisfyhorrifyidentifyelectrifydiversifycertifycodifyfortifyhumidifysuffix:-ise/-ize04suffix:-ise/-ize美式寫法-ize英式寫法-iseIfyouapologize,youofferan

apology.suffix:-ise/-ize

cause,makeorbecomesomething

使......成為......化變成......的狀態(tài)suffix:-ise/-izeOneshouldnevercriticizeifoneisnotsureofone’sfacts.一個人如果對自己掌握的事實沒有把握，就絕不該隨便批評。critical→criticizesuffix:-ise/-izeIOCpresidentspeakshighlyofChina’sabilitytoorganizeOlympicGames.奧委會主席高度評價了中國承辦奧運會的能力。organization→organizesuffix:-ise/-izeTaoguangmeansnottoadvertiseone’sstrongpoints,andnevertoboastaboutorshowoffone’stalentorskills.韜光即收斂自己的光芒，不以自身優(yōu)長而炫耀、張揚。advertise1.Thehandsholdingtheearth__________takingactionswithlove.symbol

beauty

2.

Tryto________yourexplanationforthechildren.simpleminimumExercises3.Plantingflowersalongthestreetswillhelpto