七年级英语上册 Unit 8 When is your birthday（第2课时）Section A（Grammar Focus-3c）课件 新人教版.ppt

,R七年级上册,SectionA第2课时,Unit8Whenisyourbirthday?,Newwords,1.first_2.second_3.third_4.fifth_5.eighth_6.ninth_7.twelfth_8.twentieth_,第一,第二,第三,第五,第八,第九,第十二,第二十,firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentiethtwenty-firsttwenty-secondtwenty-thirdtwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninththirtieththirty-first,序数词的用法,1.定义：,表示事物的顺序的数词叫序数词。它的作用相当于名词或形容词，可作主语、宾语、定语或表语。,2.构成：,基数词要变为序数词是有规律可循的，其方法及具体示例如下：,twentytwentieththirtythirtieth,sixsixthseventeenseventeenth,一般情况下在基数词后加-th,整十的序数词的构成是把对应的基数词末尾的y变为ie,再加-th,两位或两位以上的基数词变为序数词时，只将个位数变为序数词,twentytwotwenty-second,特殊变化的基数词1、2、3、5、8、9等需单独记忆,onefirsttwosecondthreethirdfivefiftheighteighthnineninth,巧记歌诀,基变序，有规律。1，2，3，特殊记；结尾时，t，d，d；从第4，加th;8加h，9去e；5和12,也好记，f来把ve替；若要表示整十数，词尾y,变ie;th接上莫迟疑,如要表示几十几，只变个位就可以。,Matchthequestionsandanswers.,b,d,e,c,a,Completetheconversationandpracticeitwithyourpartner.,A:How_areyou,Grace?B:_twelve.A:And_isyourbirthday?B:My_isonMarch12th.HowaboutyouandTom?A:Well,mybirthdayis_July5th,andTomsbirthdayis_December.,old,Im,when,birthday,on,in,Findoutyourgroupmembersbirthdaysandages.Lineupfromtheyoungesttotheoldest.,HowaboutyouandTom?你和汤姆怎么样?,howabout用来提出请求、建议或征求对方意见,意为“(你认为)怎么样?如何?”后跟名词、代词或v.-ing。,常用来表示建议的句型How/Whatabout+doing怎么样?Whydontyou+do为什么不?Letsdo.!让我们做吧!,Languagepoints,findout查清；弄明白,Jimsmotherislookingforhercat.吉姆的妈妈在找她的猫。,寻找,找到；发现,查清；弄明白,强调动作过程,强调动作结果,多指通过调查、询问、打听、研究之后“搞清楚、弄明白”,.用所给词的适当形式填空1.March6thismy(twenty)birthday.2.Imthe(one)studenttoehere.3.MikeandTom(be)13yearsold.4.Todayis(Bob)birthday.5.Thebabyisfive(month)old.,Exercise,twentieth,first,are,Bobs,months,.单项选择1.Howoldyourfather?A.areB.isC.doesD.do2.IlikeMarchbest.Howabout?A.sheB.heC.hisD.her3.Thelastmonthofayearis.A.FebruaryB.NovemberC.DecemberD.October,4.Whenisyourbirthday?Itson.A.dayB.JuneC.June5thD.twelve5.Wewillgo