构词法(公开课)省公开课获奖课件市赛课比赛一等奖课件.pptxVIP

Nevertroubletroubleuntil

troubletroublesyou.;Grammar;Ifyoumeetthenewwordswhilereading,whatwillyoudo?

;Whenwedealwiththeproblemsinreadingcomprehension,wecanuseWordFormationtohelpus,butthecontext(上下文，语境)isalsoveryimportant.;1.Iwillnotmakefriendswithadishonest

person.

2.Whenthelittleboyfinished,hisfatherwas

speechless.

3.Abad-lookingpickpocketstolemywallet.;;合成词Compound;＋;二、合成法（Compounding）;一.合成名词;二.合成动词;三.合成形容词;1)Thefirelastedabout4hoursbeforethe________couldcontrolit.

2)Atschoolsheformedaclose_________withseveralothergirls.

3)Theydecidetospendtheirholidayatthe_______.

4)Heputonahatand________beforehewentout.

5)Theyoftenperforminthestreetsforthe_________.

6)I’msureyouwillbe__________soon.;派生法Derivation;加前缀：

happy---___happy

加后缀：

develop---develop_______

既加前缀又加后缀：

employ---____employ_______

;1.派生词

注意:前缀一般只变化词义,

不变化词性;后缀一般只变化

词性,不引起词义变化;Derivation:1)前缀:

(1)agree-like-appear-

(2)correct-incorrect,possible-impossible,regular-irregular,

(3)happy-unhappy,able-unable,fit-unfit,

(4)stop-nonstop,

verbal(语言旳）-nonverbal(非语言旳)

(5)write-rewrite,view-review

;2)后缀:

(1)构成名词：

(2)构成形容词:

(3)构成动词:

(4)构成副词:

(5)构成数词:

;一、派生法（Derivation）

;Isitdifficultforyoutogetupinthemorning?Doyousometimesoversleep?;Heenlargedhisvocabularybyreadingwidely.;Someimportantsuffixes:

;3.Writeouttheoriginalwords.;II.构词法专练。

给下列单词加上前缀dis-,un-,in-或im-,构

成意思相反旳词。

1.agree_______ 2.complete_________

3.healthy_________4.important________

5.able_______ 6.cover_________

7.known_______ 8.practical_________

9.tidy_______ 10.perfect_________

11.visible_______ 12.fit_________;Practice(II):;1.Hewasoneofthebest_______inyesterday’sfootballmatch.(play)

2.Look!How_______Kateislaughing!(ha