下学期unit11grammar高二英语课件

Unit11Grammar构词法(WordFormation)英语主要有三种构词法:1派生(Derivation):2合成(Compounding):3转化(Conversion)通过加前缀或后缀构成另外一个词:eghappy----unhappy(加前缀)----happiness(加后缀)由两个或更多的词合成一个词egwood(木)+cut(刻)----woodcut(木刻)由一个词类转化为另一个词类:egwater(n)水----water(v)浇水invisibledisagreementdishonestyimpossibilitynon-conductorinternationalillogicalreplacementdisappearancemisunderstandingenlargementreconsiderationinteractionunexpectedunforgettableunsuccessfulStep3Remembertheprefixinter-tele-bio-ex-over-trans-en-mis-re-sub-under-betweenfarbiologyformer/outtoomuchacross/movemakewrongagainUnderbelowdis-non-il-in-im-un-notStep2Matchtheprefixwithitsmeaninginter-tele-bio-ex-ov，