高三易记单词-构词法课件

单词构成前缀词根后缀单词构成1构词法名师P184构词法：合成(Compounding)派生法（Derivation）转化法（Conversion）{workmate,like-minded，break构词法名师P184构词法：合成(Compounding)派2派生法:由一个词根加上前缀或后缀构成另一个词的方法。happy---happily---happinessunhappy---unhappily---unhappiness派生法:由一个词根加上前缀或后缀构成另一个词的方法。happ3一、前缀，1.否定happy---unhappyappear---disappearpossible---impossiblesmoker---non-smokertake---mistake一、前缀，1.否定happy---unhappy4MatchAandB.BlikeappearpoliteleadnecessaryadvantagestopbelieveunderstandAundisimnon-misunlike不像;dislike不喜欢disappear消失impolite没有礼貌的mislead误导unnecessary不必要的disadvantage缺点non-stop不停地disbelieve不相信misunderstand误解常用于形容词动词b/p/m开头的形容词名词/动词动词MatchAandB.BAunlike不像;disli5CheckourselvesTheboysaidnothingbutquietlywalkedaway,____________(appear)inthedark.disappearingCheckourselvesdisappearing62.表示空间位置，方向关系的前缀

1)

a-表示“在……之上”，“向……”

aboard,aside,2)

inter-,intel-,表示“在……间，相互”international,interaction,internet3）mid-,表示“中，中间”

midday,midnight,mid-autumn2.表示空间位置，方向关系的前缀1)

a-表示75)

out-,表示“在上面，在外部，向外”outline,outside,outward,outgoing6)

over-,

表示“在上面，在外部，超过”overhead,overboard7)

extra-,表示“额外”

extraordinary8)

fore-表示“在前面”

forehead,foreground9)

in-,表示“向内，在内，背于”

inland,,inside,2.表示空间位置，方向关系的前缀

5)out-,表示“在上面，在外部，向外”2.8

under-,表示“在…..下面，下的”

underline,underground,underwater

11)

up-,表示“向上，向上面，在上”

upward,uphold,uphill(上坡)1．re--“又\,再”

repeat,review,return,reunite,remarry

2.co—“联合，伴同”

cooperate,coexist,co-worker

3.

super—“在…上；加之”

superman,supermarket3.表示其他意义的前缀:under-,表示“在…..下面，下的”9名词的常见后缀-tion-ness-ment-er-or-ist-antdestinationsadnesssettlementwriteractorartistservant常在形容词后名词的常见后缀-tiondestination常在形容词后102.后缀:(改变词性）

关于人的词缀：

-er,（人，动作执行者）-ese（人，语言）-ian（人）

-ist（人，大家）-or（人，动作者）

tion（行为，状态）-ness(性质）

singer,fighter,teacherChinese,Japanesemusician,Russian,artist,pianist,scientist,

conductor,visitor,professorinvention，liberation，operationbusiness，illness，darkness2.后缀:(改变词性）关于人的词缀：sin11形容词：-al

-ful（充满…的）-less-y

动词：-ize

副词：-ly形容词：

physical,national,political,useful,careful,helpfulfearless,useless,carelesscloudy,sunny,dirtyapologizeorganizebadly，angrily，truly无副词要去e的：true,gentle,simple形容词：形容词：无副词要去e的：true,gentle,12-ly-ize-able-ment-er-or-ist-ian-tion-ness-ful-sive-tive-ed-ing-ful-en-n.v.adj.adv.-ly-ize-able-ment-er-or-ist-ia13合成：

把两个或更多的词合成一个词。合成的词构成大致有以下几种情况。1.合成名词：2.合成动词：3.合成形容词

birthdayroommatefootballblackboardunderstandsafe-guardwhite-washsnow-whitehand-madedark-blue

合成：1.合成名词：birthdayroommate14tasten.味道v.尝起来{Ithasagoodtaste.Ittastesverygood.bookn.书籍v.记载record

n.记录v.记录{{Thisbookisverygood.Heisbookingthehistory.Hebroketherecord.Herecordedsomethingwhilereadingabook.clean{adj.干净v.清扫Pleasekeeptidyandclean.Youhavetocleantheblackboardafterclass.n.书籍v.记载{n.书籍v.记载book{n.书籍v.记载n.记录v.记录{n.记录v.记录record

{n.记录v.记录Ithasagoodtaste.Ittastesverygood.bookv.记载record

n.记录v.记录{{Thisbookisverygood.Heisbookingthehistory.Hebroketherecord.Herecordedsomethingwhilereadingabook.clean{adj.干净v.清扫Pleasekeeptidyandclean.Youhavetocleantheblackboardafterclass.v.记载{book{n.书籍v.记载n.记录v.记录{n.记录v.记录record

{n.记录v.记录n.记录转化活用法——适用于双性词tasten.味道v.尝起来{Ithasagoodtaste.Ittastesverygood.bookn.书籍v.记载record

n.记录v.记录{{Thisbookisverygood.Heisbookingthehistory.Hebroketherecord.Herecordedsomethingwhilereadingabook.clean{adj.干净v.清扫Pleasekeeptidyandclean.Youhavetocleantheblackboardafterclass.n.书籍v.记载{n.书籍v.记载book{n.书籍v.记载n.记录v.记录{n.记录v.记录record

{n.记录v.记录Ithasagoodtaste.Ittastesverygood.bookv.记载record

n.记录v.记录{{Thisbookisverygood.Heisbookingthehistory.Hebroketherecord.Herecordedsomethingwhilereadingabook.clean{adj.干净v.清扫Pleasekeeptidyandclean.Youhavetocleantheblackboardafterclass.v.记载{n.记录v.记录{n.记录v.记录record

{n.记录v.记录n.记录Ithasagoodtaste.Ittastesverygood.Thisbookisverygood.Ithasagoodtaste.Ittastesverygood.Heisbookingthehistory.Thisbookisverygood.Ithasagoodtaste.Ittastesverygood.Hebroketherecord.Herecordedsomethingwhilereadingabook.Heisbookingthehistory.Thisbookisverygood.Ithasagoodtaste.Ittastesverygood.Pleasekeeptidyandclean.Hebroketherecord.Herecordedsomethingwhilereadingabook.Heisbookingthehistory.Thisbookisverygood.Ithasagoodtaste.Ittastesverygood.Youhavetocleantheblackboardafterclass.Pleasekeeptidyandclean.Hebroketherecord.Herecordedsomethingwhilereadingabook.Heisbookingthehistory.Thisbookisverygood.Ithasagoodtaste.Ittastesverygood.tasten.味道v.尝起来{Ithasagood15Practice(II):

rain(形容词)________agree(反义)__________nation(形容词)_______farm(人)__________recent(副词)________friend(形容词)________hope(形容词)_______back(形容词)_________visit(名词)__________home(形容词)________eight(序数词)________true(名词)___________America(形容词)_______China(形容词)________按括号内的要求改写下列单词rainynationalrecentlyhopefulvisitoreighthAmericandisagreefarmerfriendlybackwardshomelesstruthChinesePractice(II):rain(形容词)__16

Withthe(1)____________(develop)ofindustry,airpollutionisgettingmore(2)________moreseri