Unit12Wordformation新课件
日期：2010-08-27 08:39
Step1Studythemeaningofthewordsinternationaltelevisioninvisibleimpossibleillogicalirregulardisappearnonsenseunforgettablereplacemisunderstandenlargebiochemistrysubwayex-wifeundergroundoverworktransportStep3Remembertheprefixinter-tele-bio-ex-over-trans-en-mis-re-sub-under-betweenfarbiologyformertoomuchacrossmakewrongagainUnderbelowdis-non-il-in-im-un-notStep2Matchtheprefixwithitsmeaninginter-tele-bio-ex-over-un-trans-en-mis-dis-non-re-il-sub-under-in-im-wrongtoomuchagainformerunderbetweenbelownotfarbiologymakeacrossAttention!Usuallyaprefixwillchangethemeaningofword，whileasuffixwillchangethepartofspeechofawordStep4LearnthesuffixnhelpdangeractsunnatureAmericaChinaadjhelpfuldangerousactivesunnynaturalAmericanChinesev，
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