2021初中英语人教版七年级上Unit-8-Section-A-Grammar-3c-同步精品课件

英语人教版七年级Unit8Unit8Whenisyourbirthday?SectionAGrammarfocus-3cWarming-upWhenisyourbirthday?ReviewtimeIt’sonApril28th.序数词四月的第二十八天PresentationGrammar数词的分类和定义基数词数词1，2，3序数词表示数的多少表示数的先后第1，第2，第3Grammar序数词的形式——第1-10first/fɜ:st/第一second/'sekənd/第二third/θɜ:d/第三fourth/fɔːθ/第四fifth/fɪfθ/第五sixth/sɪksθ/第六seventh/ˈsevnθ/第七eighth/eɪtθ/第八ninth/naɪnθ/第九tenth/tenθ/第十从基数词到序数词，词形发生了什么变化？onetwothreefourfivesixseveneightnineten基变序，有规律，词尾加上th；一、二、三，特殊记，词尾字母t，d，d；八去t，九除e，ve要用f替；Grammar序数词的形式——第11-19eleventh第十一twelfth第十二thirteenth第十三fourteenth第十四fifteenth第十五sixteenth第十六seventeenth第十七eighteenth第十八nineteenth第十九从基数词到序数词，词形发生了什么变化？基数词（ve变为f）+thGrammar序数词的形式——整十数twentieth第二十thirtieth第三十fortieth第四十fiftieth第五十sixtieth第六十seventieth第七十eightieth第八十ninetieth第九十从基数词到序数词，词形发生了什么变化？ty→tie，再加-thtwentythirtyfortyfiftysixtyseventyeightyninetyGrammar序数词的形式——几十几twenty-first第二十一thirty-second第三十二forty-third第四十三fifty-fourth第五十四sixty-fifth第六十五seventy-sixth第七十六eighty-seventh第八十七ninety-eighth第九十八从基数词到序数词，词形发生了什么变化？十位基数词-个位序数词（连词符连接）Grammar序数词的形式——百、千、百万等大数字onehundredth第一百onethousandth第一千onemillionth第一百万整百、千、百万等，直接+-thonehundredthandfirst第一百零一threehundredandtwenty-fifth三百二十五只在个位上变成序数词巧记口诀基变序，有规律，词尾加上th；1、2、3，特殊记，结尾字母t、d、d；8去t，9去e，ve要用f替；整十基数变序数，先把ty变成tie，th接上莫迟疑；如要表示几十几，只变个位就可以。Grammar序数词的简写形式first1stsecond2ndthird3rdfourth4thfifth5thsixth6thseventh7theighth8thninth9thtenth10th阿拉伯数字+序数词的后两个字母Grammar序数词的用法11.序数词主要用作定语，前面可以加the,a/an,形容词性物主代词，指示代词等修饰。1）序数词前面加定冠词the。Thefirstbuscarriesalotofpeople.Johnlivesonthethirdfloor.Grammar序数词的用法12）序数词有时前面可加不定冠词来表示“又一；再一”这样的意思。Weneedtodoitasecondtime.ShallIaskhimathirdtime?Grammar序数词的用法13）序数词前面加形容词性物主代词Aliceismyfirstdaughter.Grammar序数词的用法2——分数的表达分子用基数词，分母用序数词，分子大于1时，分母（序数词）应变为复数1/3onethird3/5threefifths23/5twoandthreefifths1/2a/onehalf1/4a/onequarter3/4threequartersGrammar序数词的用法3——章节、单元的表达表示第……章，第……课既可以用序数词也可以用基数词表达第一章thefirstchapter/ChapterOne(注意大小写)第二课thesecondlesson/LessonTwo(注意大小写)Grammar序数词巩固练习1——把下列基数词变成序数词one__________two__________three__________five__________eight__________nine__________firstsecondthirdfiftheighthninthtwelve__________eighteen__________nineteen__________twenty__________forty-one__________sixty-seven__________twelftheighteenthnineteenthtwentiethforty-firstsixty-seventhGrammar序数词巩固练习2——根据提示填空1.Hebecameasuperstarinhis________(thirty).2.Todayismymother’s________(forty)birthday.Iwillbuyheragift.3.Decemberisthe________(twelve)monthoftheyear.4.Ithinkthe__________(twenty-one)centurybringsusmanyhopes.5.Now,everybody,pleaseturnto_____________________(第5页).thirtiethfortiethtwelfthtwenty-firstthefifthpage/PageFiveQuestions1.WhenisJenny’sbirthday?___2.Whenaretheirbirthdays?___3.Whenisyourbrother’sbirthday?___4.IshisbirthdayinJuly?___5.IsyourbirthdayonFebruary1st?___Answersa.No,it’sonthe6th.b.HerbirthdayisonMay24th.c.Yes,itis.d.TheirbirthdaysareinJanuary.e.It’sonJune16th.Matchthequestionsandanswers.bdeca3aCompletetheconversationandpracticeitwithyourpartner.A:How________areyou,Grace?B:________twelve.A:And________isyourbirthday?B:My________isonMarch12th.HowaboutyouandTom?A:Well,mybirthdayis________July5th,andTom’sbirthdayis________December.oldI’mwhenbirthdayonin3b提建议=whatabout+n./pron./v.-ing注意接代词用宾格Findoutyourgroupmembers’birthdaysandages.Lineupfromtheyoungesttotheoldest.3c找出；查清楚；弄明白GroupmemberBirthdayAgeStudentAStudentBStudentCStudentDExercise一、根据数字写出其对应的基数词1__________4__________8__________12__________15__________21__________32__________53__________85__________99__________110__________248__________firstfourthtwelfthfifteenthtwenty-firsteighththirty-secondfifty-thirdeighty-fifthninety-ninthonehundredandtenthtwohundredandforty-eighth二、单项选择1.______isyourfather’sbirthday?A.WhatB.WhenC.HowD.Howold2.Doyoulikecake?______havingapieceofbirthdaycake?A.HowB.WhatC.HowaboutD.When3.I’m______yearsold.Todayismy______birthday.A.twelve；twelveB.twelfth；twelfthC.twelve；twelfthD.twelfth；twelve