1、新目标八下英语教案新目标八下英语教案SECTIONA3GRAMMARFOCUS4A4CSTEP1WARMUPREADTHEFOLLOWINGSENTENCESWEHAVESEENHAVEYOUREADLITTLEWOMENYETYES,IHAVE/NO,IHAVEN'THASTINAREADTREASUREISLANDYETYES,SHEHASSHETHINKSITSFANTASTICHAVEYOUDECIDEDWHICHBOOKTOWRITEABOUTYETYES,IHAVEIVEALREADYFINISHEDREADINGITITWASREALLYGOODSTEP2现在完成时用法1
2、表示过去发生或已经完成的某一动作对现在造成的影响或结果。EGHAVEYOUHADYOURLUNCHYETYES,IHAVEIVEJUSTHADIT现在我不饿了。2表示动作或状态从过去某一时刻开始，一直延续到现在，而且可能还要继续下去。EGIHAVENTSEENHERTHESEDAYSIVEKNOWNBOBFORTHREEYEARSIVEBEENATTHISSCHOOLFOROVERTWOYEARS时间状语ALREADY,YET,JUST,EVER,NEVER,BEFORE构成现在完成时是由助动词HAVE/HAS动词的过去分词构成的，规则动词的过去分词构成与过去式相同，不规则动词的过去分词则需逐
3、个记忆。动词的过去式的变化和过去分词的变化并不完全相同。我们对它们作了一个大致的分类。注例子中单词的变化顺序为动词原形动词的过去式动词的过去分词一、过去式和过去分词的变化相同规则变化新目标八下英语教案新目标八下英语教案1一般在动词词尾直接加ED。如PICKPICKEDPICKEDWISHWISHEDWISHEDSTAYSTAYEDSTAYED2以不发音的E结尾的动词后面加D。如LIKELIKEDLIKEDHOPEHOPEDHOPEDPHONEPHONEDPHONED3以辅音字母Y结尾的动词，变Y为I，再加ED。如STUDYSTUDIEDSTUDIEDHURRYHURRIEDHURRIEDREP
4、LYREPLIEDREPLIED4词尾只有一个辅音字母的重读闭音节动词，要双写辅音字母，再加ED。如STOPSTOPPEDSTOPPEDCLAPCLAPPEDCLAPPED不规则变化5以不变应万变。如LETLETLETPUTPUTPUTREADREADREAD6若中间有双写E，则去掉一个E，单词末尾再加T。如FEELFELTFELTKEEPKEPTKEPTSLEEPSLEPTSLEPT7结尾的字母D变T。如LENDLENTLENTBUILDBUILTBUILTSENDSENTSENT8变为以OUGHT或AUGHT结尾。如BUYBOUGHTBOUGHTBRINGBROUGHTBROUGHTCAT
5、CHCAUGHTCAUGHTTEACHTAUGHTTAUGHT句式1肯定句主语HAVE/HAS过去分词其他2否定句主语HAVE/HASNOT过去分词其他3一般疑问句HAVE/HAS主语过去分词其他4特殊疑问句1特殊疑问词不是句子主语HAVE/HAS主语过去分词其他2特殊疑问词是句子主语HAVE/HAS过去分词其他ALREADY和YET都可以作为现在完成时的标志词，但它们的用法不同。ALREADY一般用于肯定句中。如WEHAVEALREADYCLEANEDUPOURCLASSROOM注意ALREADY用于疑问句中时通常表示惊奇。如HAVEYOUFINISHEDYOURHOMEWORKALREAD
6、YICANTBELIEVEIT新目标八下英语教案新目标八下英语教案YET一般用于疑问句和否定句中。如HAVEYOUSEENHERYETTHEBUSHASNTCOMEYET活学活用WRITETHEFORMSOFTHEPASTTENSEANDPASTPARTICIPLEDRINK_SEE_FIND_LEAVE_TELL_WHYISMRYANGSTILLINTHETEACHERSOFFICEMAYBEHE_HISWORKYETADOESNTFINISHBHASNTFINISHEDCHAVENTFINISHEDSTEP3EXERCISES1FINISH4AANDCHECKTHEANSWERSKEYSI
7、HAVEJUSTDRUNKSOMETEAHAVEYOUFOUNDITHEHASALREADYLEFTDIDHELEAVESHEHASALREADYSEENTHEFILMHAVENTTOLDTHEMYET2FINISH4BANDCHECKTHEANSWERSKEYSLOVES,HASREAD,WILLBE,FINISHED,WILLWRITE,HASNTREAD3FINISH4CANDCHECKTHEANSWERSMAKECONVERSATIONSANDCOMPLETETHECHARTFOLLOWTHECONVERSATIONONPAGE60STEP4中考链接【2013广西贵港】DOYOUKNOWTHEMOVIELOSTINTHAILAND新目标八下英语教案新目标八下英语教案YESI_ITTWICEITSFUNNYASAWBSEECHAVESEENDWILLSEE【2013黑龙江牡丹江】LUNCHNO,THANKSI_AWILLEATBAMEATINGCHAVEEATEN【2013湖北黄冈】WHEREISTOMWECANTFINDHIMANYWHEREPERHAPSHE_HOMEAHASCOMEBISGOINGCWENTDWASGOINGKEYSCCA
