七年级英语上册 Unit 8 When is your birthday Section A（Gra

Unit8Whenisyourbirthday?TheSecondPeriodSectionA(GrammarFocus-3c)WarmingupAskthefollowingquestiononebyone.—Whenisyourbirthday?—Mybirthdayison...GrammarFocusWhenisyourbirthday?MybirthdayisonMay2nd.Whenishisbirthday?HisbirthdayisonJanuary17th.Whenisherbirthday?It'sinAugust.WhenisAlice'sbirthday?HerbirthdayisonSeptember5th.Whenisyourfather'sbirthday?HisbirthdayisonApril21st.GrammarFocusfirstsecondthirdfourthfifthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentiethtwentieth-firsttwentieth-secondtwentieth-thirdtwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninththirtieththirty-first3aMatchthequestionsandanswers.QuestionsAnswers1.WhenisJenny'sbirthday?___a.No,it'sonthe6th.2.Whenaretheirbirthdays?___b.HerbirthdayisonMay24th.3.Whenisyourbrother'sbirthday?___c.Yes,itis.4.IshisbirthdayinJuly?___d.TheirbirthdaysareinJanuary.5.IsyourbirthdayonFebruary1st?___e.It'sonJune16th.bdeca3bCompletetheconversationandpracticeitwithyourpartner.A:How_________areyou,Grace?B:_________twelve.A:And_________isyourbirthday?B:My_________isonMarch12th.HowaboutyouandTom?A:Well,mybirthdayis_________July5th,andTom'sbirthdayis_________December.oldI'm/Iamwhenbirthdayonin3cFindoutyourgroupmembers'birthdaysandages.Lineupfromtheyoungesttotheoldest.语法拓展一、when引导的特殊疑问句1.when为疑问副词，常用来询问时间，意为“什么时候”。Whenissb.'sbirthday?是用来询问某人生日是何时的常用句型，意为“……的生日是什么时候？”其答语为：Sb.'sbirthday/It's+日期，这里sb.'s要用形容词性物主代词或名词所有格。—Whenisherbirthday?—HerbirthdayisonAugust9th.2.名词所有格表示“某人的”，通常是“名词+'s”。语法拓展二、序数词1.概念：表示事物的顺序的数词叫做序数词，它的作用相当于名词或形容词。2.构成：（1）变异类：one→first第一；two→second第二；three→third第三。（2）普通类：第四至第十九均在相应的基数词后加-th,但第五（fifth）和第十二（twelfth）均把基数词five和twelve词尾的ve改为f,再加-th。基数词eight的序数词，直接在后加-h,即eighth。基数词nine的序数词，将词尾的e去掉，再加-th,即ninth。（3）“ty类”：即以“ty”结尾的整十的序数词是把对应基数词的最后一个字母y变成i,再加-eth。如：twenty→twentieth；forty→fortieth语法拓展（4）几十几类：表示“几十几”的基数词变序数词时，只将个位变成序数词，十位数不变。如：twenty-three→twenty-third【注意】序数词的前面往往加定冠词the,但当序数词前有物主代词、指示代词等修饰时，则不必加the。三、时间介词on,in与at辨析1.on常用在表示星期几或具体某一日及某一日的上午、下午或晚上的名词前。如：onMay4th在五月四日2.in常用在年、月、季节、世纪及表示泛指上午、下午或晚上的名词前。inMarch在三月。如：inthemorning在早上3.at常用在表示某一具体时刻的名词前。如：atten在十点；atnoon在正午Exercise一、根据要求完成句子。1.Mymotherisforty.(对画线部分提问)____________________isyourmother?2.Thisbookisfortyyuan.(对画线部分提问)____________________isthisbook?3.我想来参加你的生日聚会。（汉译英）Iwanttocome__________yourbirthday__________.4.她的生日是三月五日。（汉译英）Herbirthdayison____________________.5.他的生日是二月二日。（汉译英）His__________ison__________second.HowoldHowmuchtopartyMarch5thbirthdayFebruary二、根据首字母或汉语提示补全对话。A:Hello,Tom.1.H__________birthday!B:2.T__________,Bob.Whenisyourbirthday?A:It'sonNovember3.__________(第一).B:Well,doyouwanttocometomybirthday4.p__________?A:Oh,yes.Whenisit?B:5.A__________fourthisafternoon.A:OK,great.6.S__________you.appyhanks1startyteeHomework1.Recitetheordinalnumbers.2.Makeasurveyaboutyourfamilymembers’birthdaysandages.Thankyou!