朗文（3B）Unit3（过去时）课件.ppt

《朗文（3B）Unit3（过去时）课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、朗文(3B)Unit3(过去时)SUNMONTUEWEDTHUFRISAT12345678910111213141516171819202122232425262728todayyesterdaythreedaysagolastweek2011年2月thedaybeforeyesterdaySUNMONTUEWEDTHUFRISAT123456789101112131415161718192021222324252627282930312011年1月lastmonthSUNMONTUEWEDTHUFRISAT123456789101112131415

2、161718192021222324252627282930312010年12月lastyearlast——上一个ago——以前yesterday——昨天2011年2月24日nowbeforefutureWearegoingtotalkabout“before”.Soweusethe“pasttense”.（过去式）thepasttodayyesterdayItissunnytoday.Itwasrainyyesterday.todayyesterdayHeishappytoday.Hewassadyesterday.todayyesterdayIa

3、minGuangzhoutoday.IwasinBeijingyesterday.todayyesterdayHerhairisshorttoday.Herhairwaslongyesterday.todayyesterdayTheyareatschooltoday.Theywereathomeyesterday.Sheistwoyearsoldnow.She___oneyearoldlastyear.Therearetwodogsinmyhousetoday.There___threedogsinmyhouseyesterday.TodayisTh

4、ursday.(Yesterday____Wednesday.)Iamnothungrynow.I____hungrytwohoursago.WeareinGradeFivenow.We____inGradeFourlastyear.WhereisTom?Where___Tomyesterday?be动词的过去式：am----was/wOz/is----was/wOz/,are----were/wE:/,1.否定句在was,were后面直接加not，wasnot=wasn’twerenot=weren’t2.疑问句把was和were移到主语的前面。请

5、把下面句子变成否定句、疑问句并回答。Hewastiredyesterday.2.TheywereinChinalastyear.3.Iwasshortbefore.4.ItwasSundayyesterday.todayyesterdayIplayfootballtoday.Iplayedtabletennisyesterday.yesterdayShewashedherfaceyesterday.yesterdayShepickedsomeflowersyesterday.yesterdayThebabywatchedTVyesterday.yes

6、terdayTheyskippedyesterday.yesterdayTheboyhelpedthegirlyesterday.yesterdayTheydancedyesterday.行为动词过去式的变化规则：直接加ed,(辅元辅)双写最后一个字母加ed,变y为i加ed(y前面是元音不用变),以e结尾的词直接加d。行为动词过去式否定句：在动词前面加上didn’t,动词变原形。HewatchedTVyesterday.Hedidn’twatchTVyesterday.行为动词过去式一般疑问句：在句子开头加上Did,动词变原形。HewatchedTV

7、yesterday.DidhewatchTVyesterday?Yes,hedid./No,hedidn’t.行为动词过去式特殊疑问句：提问有did,回答动词用过去式.。Whatdidyoudoyesterday?Iplayedbasketball.请把下面句子变成否定句、疑问句并回答。Iwasthirsty.2.Lilywashedherhands.3.Myparentswereathome.4.IwatchedTVlastnight.Iplayedbasketball.Whatdidyoudoyesterday?PasttenseWemakequ

8、estionswithdid.Don’tchangetheverbafterdid.Nowyoutry.I_