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1、外研小学起点九年级(下)Module10英语课件Unit3 LanguageinuseLanguagePracticeIt’sveryenjoyable.That’sanicehandbag.Headteacher,teachers,grandparents,parentsandclassmates…I’velearnttheimportanceoffriendship.Thankyouforyourhelpwithourhomework.Wecanneverpayyoubackforyourkindness,yourp
2、atience,andgiftofknowledge.GrammarCompounding(合成构词法)Derivation(派生构词法).英语的构词法主要有两种，一种是合成，另一种是派生。合成指由两个或多个单词合成一个新词，而派生是通过加前缀或后缀构成新词。1.合成构词法合成构词法是一种比较灵活的方法，可以合成名词、形容词、副词、代词、动词等。afternoon,birthday,blackboard,classmate,grandfather就是通过合成法构成的名词；kind-hearted,middle-aged,
3、hard-working等为合成形容词；however,maybe,himself,everyone,nothing等也都是通过合成法构成的新词。2．派生构词法派生构词法是扩充词汇的主要方法。对于派生词来说，一要掌握常见的前缀和后缀，二要掌握常见的派生方法。前缀意思例词en-使可能enable使能够enrich使富裕il-,in-不,非inexpensive不贵的irregular不规则的im-不impossible不可能的impatient不耐心的mis-错误的misunderstanding误解mistake错误1)
4、常用前缀前缀意思例词non-不,非non-smoker不吸烟者non-swimmer不会游泳者un-不unable无能的unpopular不流行的unhappy不高兴的re-再,重复rewrite重写retell复述reunion重聚tele-远程television电视telephone电话词类后缀例词名词-er,-orteacher,worker,conductor,inventor,visitor-ianmusician-istscientist,artist-mentgovernment,judgment2)常用
5、后缀词类后缀例词名词-nessillness,happiness,coldness-tionpreparation,competition,education,information,invitation-ingbuilding,painting,shopping,sightseeing,meaning,greeting-thtruth,warmth-tysafety3)派生方法由一个词根可以派生出很多名词、形容词、副词等,掌握一定的派生方法对扩充词汇有很大作用。如:由名词interest可以派生出:interest–i
6、nteresting–interested–interestedly–uninteresting–uninterested由help可以派生出:help–helpful–helpless–helpfully–helplessly由able可以派生出:able–unable–enable–disable–abilityPracticeCompletetheconversation.JointhewordsinBoxAwiththoseinBoxB.afterclasshairhand(X2)bagcutmadematesn
7、oonLingling:Whatareyougoingtoweartotheschoolleavers’party?Betty:I’mgoingtowearadress.AndI’mgotingtobuyanewblack________.Doyouwanttogowithmetotheshoppingcentretolookforone?Lingling:Sorry,Ican’t.I’mhavinga______this________at3o’clock.Iwantniceshorthairfortheparty!T
8、ony:I’llgowithyou,Betty.I’mthehandbaghaircutafternoonPhotographer,andIwanttobuyabooktoputthephotographsin,sothatallour_________willremembereachother.Betty:I’ve
