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1、Unit 8When is your birthday?第三課時(Grammar Focus3c)單元同步語法精講精練when為疑問副詞，常用來詢問時間，意為“什么時候”。When is sb.s birthday？是用來詢問某人生日是何時的常用句型，意為“的生日是什么時候？”，其答語為：Sb.s birthday/It is日期，這里的Sb.s要用形容詞性物主代詞或名詞所有格。如：When is her birthday？她的生日什么時候？Her birthday is on August 9th.她的生日是八月九日。on常用在表示星期幾或具體某一日及某一日的上午、下午或晚上的名詞前。如：o

2、n May 4th 在五月四日【拓展】表示在某一節(jié)日，也用介詞on。如：on Teachers Day 在教師節(jié)in常用在年、月、季節(jié)、世紀及表示泛指的上午、下午或晚上的名詞前。如：in March 在三月；in the morning 在早上at常用在表示某一具體時刻的名詞前。如：at ten 在十點；at noon 在正午概念：表示事物的順序的數(shù)詞叫做序數(shù)詞，它的作用相當于名詞或形容詞。構(gòu)成：變異類：onefirst(第一)；twosecond(第二)；threethird(第三)。普通類：第四至第十九均在相應的基數(shù)詞后加th，但第五(fifth)和第十二(twelfth)均把基數(shù)詞fiv

3、e和twelve詞尾的ve改為f，再加th?；鶖?shù)詞eight的序數(shù)詞，直接在后加h，即eighth?；鶖?shù)詞nine的序數(shù)詞，將詞尾的e去掉，再加th，即ninth?！皌y類”：即以“ty”結(jié)尾的整十的序數(shù)詞是把對應的基數(shù)詞的最后一個字母y變?yōu)閕，再加eth。如：twenty(第二十)twentieth；fortyfortieth(第四十)幾十幾類：表示“幾十幾”的基數(shù)詞變序數(shù)詞時，只將個位變?yōu)樾驍?shù)詞，十位數(shù)不變。如：twentythreetwentythird(第二十三)【注意】序數(shù)詞的前面往往加定冠詞the，但當序數(shù)詞前有物主代詞、指示代詞等修飾時，則不必再加the。 一、寫出下列各組基數(shù)詞

4、的序數(shù)詞形式。1ten _four _six_2one _two _three_3fourteen _fifteen _nineteen_4twelve _five_5twenty _thirty_tenthfourthsixthfirstsecondthirdfourteenthfifteenthnineteenthtwelfthfifthtwentieththirtieth二、根據(jù)句意，選用介詞at，on或in填空。6Is his birthday _ July?7My birthday party is _ three this afternoon.8We have a volleyba

5、ll game _ June 10th.9I always have bread and milk for breakfast _ the morning.10Bills father always buys some books for him _ his birthday.11They always have a big dinner _ Womens Day.inatoninonon三、用括號中所給單詞的適當形式填空。12I have a sister，she is only _ (five)13I am the _ (eight) girl to come to school toda

6、y.14September is the _ (nine) month of the year.15Mr. Browns _ (one) son is our English teacher.16My _ (father) birthday is August 16th.17Do you know your _(parents) birthdays?fiveeighthninthfirstfathersparents 四、從方框中選出下列句子的正確的應答語。( )18.When is your sisters birthday?( )19.Is your mothers birthday in December?( )20.Are their birthdays in March?( )21.When are your grandparents birthdays?( )22.When is your birthday?ATheir birthdays are in November.BHer birthday is on May 10th.CNo，it isnt.Its in September.DMy birthday is in January.EYes，they are.BCEAD