高三英语公开课课件.ppt

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1、Where there is a will,thereis a way.有志者，事竟成。—Thomas Edison构词法Teacher:SharonWordFormation构词法合成法派生法转化法Classify:pathwayfreedomdarkestplacefrustrationlockeverydayriversideloneliest合成词(有两个或更多的词合成一个词):转化词(将一种词性转化成另一种词性):派生词(在词根上加上前、后缀构成另外一个词):everydaypathwayriversidefrustrationda

2、rkestloneliestfreedomlockplace合成法(Compounding)1.合成名词(Nouncompounds)⑴n.+n.=n.spaceshipclassroomgirlfriend⑵adj.+n.=n.blackboardgreenhousesuperstar⑶v-ing+n.=n.diningroomdrinkingwaterreadingroom⑷n.+v-ing=n.handwritinghorseriding2.合成形容词(Adjectivecompounds)warm-heartedmeat-eating

3、home-made3.合成介词4.合成副词5.合成动词6.合成代词派生法(Derivation)1.前缀法一般来说前缀不会改变一个词的词性。⑴否定前缀①un+adj./adv./v./unhappyunusuallyuncover②im+adj.impossible③in+adj.incorrect④ir+adj.irregular⑤mis+v.mistake⑥dis+v./adj.dislikedishonest⑵表示空间位置关系的前缀a-在……之上,处于……的状态aheadabroadfore-在……前面foreheadforearmou

4、t-向外outsideoutdoorsoutlookpre-在……之前prewarprepayunder-在……之下undergroundunderlineup-向上upwardupstairstele-远telephonetelevision(3)表示时间序列关系的前缀fore-在前，预先foretellforesightmid-中间midnightmid-autumnre-重复retellrebuildreplacerewriteover-超过overeatoverpasssuper-极，超supermarketsuperman(4)一些

5、表示特殊意义的前缀auto-自动automobileautobicyclemicro-微小microscopemicrocomputermini-小型minibusminiskirtminimarket2.后缀⑴表示“……的人”的后缀①-er……的人v./n.+erreadervillager②-or……的人actorgovernor③-ress表示女性，雌性actresswaitress④-ese……人ChineseJapanese⑤-an……人AmericanAustralian⑥-ist……家，者artistnovelist(2)构成抽

6、象名词＆集合名词的后缀①v.+mentmovement②v.+ion/sion/tion/ationactionpronunciationdecision③n.+shipfriendshipmembership④adj.+nesskindness⑶形容词的后缀-able/ible/al/ful/less/ly/y/ous/ious/ed/ingenjoyablehorriblenaturalcarefulhopelessfriendlycloudydangerousseriousexcitedexciting⑷副词的后缀-ly/ward/wa

7、rdssuddenlybackwardsnorthward⑸动词的后缀adj./n.+endeependarkensharpenPractice: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(

8、名词)___________America(形容词)_______China(形容词)________按括号内的要求改写下列单词rainynationalrecen