1、Unit 8 When is your birthday?,The Second Period Section A (Grammar Focus-3c),Warming up,Ask the following question one by one. When is your birthday? My birthday is on.,3a Match the questions and answers.,b,d,e,c,a,3b Complete the conversation and practice it with your partner.,A: How _ are you ,Gra
2、ce? B: _ twelve. A: And _ is your birthday? B: My _ is on March 12th.How about you and Tom? A: Well, my birthday is _ July 5th, and Toms birthday is _ December.,old,Im/I am,when,birthday,on,in,3c Find out your group members birthdays and ages. Line up from the youngest to the oldest.,语法拓展,一、when引导的特
3、殊疑问句 1.when为疑问副词，常用来询问时间，意为“什么时候”。When is sb.s birthday?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.s birthday/Its+日期，这里sb.s要用形容词性物主代词或名词所有格。 When is her birthday? Her birthday is on August 9th. 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：onefirst第一；twosecond第二；
4、threethird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：twentytwentieth；fortyfortieth,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-thre
5、etwenty-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：on May 4th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。 in March在三月。如：in the morning在早上 3. at常用在表示某一具体时刻的名词前。 如：at ten在十点；at noon在正午,Exercise,一、根据要求完成句子。 1.My mother is forty.(对画线部分提问
6、)_ _ is your mother? 2.This book is forty yuan.(对画线部分提问)_ _ is this book? 3.我想来参加你的生日聚会。（汉译英）I want to come _ your birthday _. 4.她的生日是三月五日。（汉译英）Her birthday is on _ _. 5.他的生日是二月二日。（汉译英）His _ is on _ second.,How old,How much,to party,March 5th,birthday February,二、根据首字母或汉语提示补全对话。 A:Hello,Tom.1.H_ birt
7、hday! B:2.T_,Bob.When is your birthday? A:Its on November 3._(第一). B:Well,do you want to come to my birthday 4.p_? A:Oh,yes.When is it? B:5.A_ four this afternoon. A:OK,great. 6.S_ you.,appy,hanks,1st,arty,t,ee,Homework,1.Recite the ordinal numbers. 2.Make a survey about your family members birthdays and ages.,Thank you!,
