Unit 8 When is your birthday?
Section A2 (Grammar focus-3c)
【学习目标】
1. 掌握本节课所学的序数词及需要特殊记忆的序数词:first第一; second第二; third第三; fifth第五; eighth第八; ninth第九; twelfth第十二; twentieth第二十
2. 了解名词所有格
3. 能熟练的询问他人的生日及年龄。
4. 通过学习,了解同学、朋友及家人的生日,养成关爱他人的意识。
【重点和难点】
1. 重点掌握1-31的序数词的拼写,构成及用法。
2. 能够模仿本课时的小对话和同伴之间进行对话练习,巩固所学的知识。
【课前预习】
写出下列基数词对应的序数词。
1. twenty ________? ??2. twelve ________
3. nine ________???? ? 4. eight ________
5. five ________
【合作探究】
探究一 序数词
观察P45页表格中的序数词,试着归纳序数词用法及变化规律:
【归纳】
1. 定义
序数词是表示_____的词。
2. 序数词的构成:
(1) 第一至第三单独成词,分别是____,_____,_____。
(2) 第四至第十九均在相对应的基数词后面加____,它们分别是fourth,fifth,sixth,seventh,eighth,_____,tenth,eleventh,____,thirteenth,fourteenth,______,sixteenth,seventeenth,eighteenth,nineteenth。
在这些序数词中,特殊的有fifth,eighth,ninth,twelfth需要我们特别注意。
(3) 整十的序数词是把对应的基数词的_____数变为序数词,而十位数不变。
例如:第26→ 。 但是个位数是1、2、3的序数词的个位分别是first,second,third。例如:第33→ 。
3. 序数词的用法:
(1) 序数词前面加定冠词the,但是当序数词的前面有形容词性物主代词、指示代词时则不必再用the。例如:第一节课 _________ lesson
(2) 序数词常用缩写形式,即阿位伯数字后加序数词的后两个字母。例如:第31,可以缩写为______。
(3)序数词可以表示“几月几号”中的“几号”。例如:10月15号 _________________。
探究二 in, on, at的用法
1. 完成3a,3b。
2. 调查小组内其他同学的生日和年龄,然后按从小到大的顺序排队。
3. 仔细观察下列表格中的例句并总结其用法。
介词
例句
用法
at
①He has lunch at twelve.
②Some workers have to work at night/noon.
①at+______________
②at+______________
in
①My birthday is in May.
②He plays basketball in the morning/afternoon/evening.
③Tom’s birthday is in 2009.
④It’s cold in winter.
①in+______________
②in+______________
③in+______________
④in+______________
on
①His birthday is on May 10th.
②We are happy on Childern’s Day.
③I go to the park with my parents on Sunday.
①on+______________
②on+______________
③on+______________
总结:
①on 指具体的某一天,用在包括某年某月,星期几,或某一天的上午、下午、晚上或节日的名词前。例如:on May 10th在五月十日; on Monday在星期一;on the morning of Tuesday在星期二的上午
②in 用于泛指一般意义的上午、下午或晚上以及月或年等较长的时间名词前。例如:in May在五月;in 2017在2017年;in winter 在冬天。
③at 用于表示时间点(某事某刻)。夜里、中午或某些词组中。例如:at 12 o’clock在12点钟;at noon 在中午。
小试牛刀:
__________ 2012 2)__________September 21st
3)__________ five thirty 4)__________December
5)__________ the morning of May 5th 6)__________ New Year’s Day
7) ___________ eight o’clock 8) __________ winter
探究三 名词所有格
英语中名词后加上's便构成所有格,表明一种所有关系,这种所有格形式叫“-'s所有格”。 's所有格的构成如下:
构成
示例
一般情况下在名词词尾加's
Bob's sister鲍勃的姐姐
my father's room 我父亲的房间
名词是以-s或-es结尾的复数词尾,直接在其后加 '
the boys' books男孩子们的书
不以-s结尾的复数名词直接在其后加's
Children's Day 儿童节
共同拥有时,在最后一个名词后加's
Mike and Alan's room迈克和艾伦两人的房间
各自所有时,在每个名词后加's
Mary's and Cindy's mothers 玛丽的妈妈和辛迪的妈妈
【课时小结】
1. 重点单词
first(num.)第一 third(num.)第三
fifth(num.)第五 eighth(num.)第八
ninth(num.)第九 twelfth(num.)第十二
twentieth(num.)第二十
2. 介词at,on, in的用法区别。
3. 询问他人的生日及年龄及其回答。
【达标检测】
Ⅰ. 写出下面缩写词的完全形式。
1. 2nd ______________? 2. 3rd ______________??
3. 5th ______________? 4. 15th ______________
5. 17th ______________?6. 30th ______________
Ⅱ. 用所给词的适当形式填空。
1. —When is your birthday?
—My birthday is on November the _____________ (twenty-one).?
2. _____________ (they) birthdays are in January.?
3. Today is his _____________ (eight) birthday; let’s say “Happy birthday” to him.?
4. —When is _____________ (Jenny) birthday??
—Her birthday is in December.
5. My father wants _____________ (buy) a new car.?
Ⅲ. 单项选择。
( ) 1. Her brother's birthday is ________ March.
A.at B.on C.in D.of
( ) 2. This is my ________ day in the middle school.
A.one B.the first C.the one D.first
( ) 3. —Is Anna's birthday on July 29th?
—Yes,________.
A.she does B.it is C.she doesn't D.it isn't
( ) 4.His sister is ________.Today is her ________ birthday.
A.eleven;eleven B.eleventh;eleventh
C.eleven;eleventh D.eleventh;eleven
( ) 5. —________?
—He is thirteen.
A.How old is he B.How is he
C.Where is he D.How much is it
Ⅳ. 根据情景写单词补全对话,每空一词。
A:How 1.____ are you, Gina?
B:2.____ twelve.
A:And 3._____ is your birthday?
B:My birthday is 4.___ November 15th.How 5._____ you and Tim?
A:Well, my birthday is on August 15th, and Tim's birthday is 6.___ August, too.
【自我评价】
1. 本课我学会了什么?
___________________________________________________________
2. 通过本课的学习,我还有哪些疑问?
___________________________________________________________
参考答案:
【课前预习】
1. twentieth 2. twelfth 3. ninth 4. eighth 5. fifth
【合作探究】
探究一
1. 顺序 2.(1)first,second,third (2) -th, ninth, twelfth, fifteenth (3)个位, twenty-sixth, thirty-third 3. (1) the first (2) 31st (3) October fifteenth
探究二
介词
例句
用法
at
①He has lunch at twelve.
②Some workers have to work at night/noon.
①at+时间点
②at+晚上/中午
in
①My birthday is in May.
②He plays basketball in the morning/afternoon/evening.
③Tom’s family moves to Beijing in 2009.
④It’s cold in winter.
①in+月份
②in+早晨/中午/晚上
③in+年份
④in+季节
on
①His birthday is on May 10th.
②We are happy on Children’s Day.
③I go to the park with my parents on Sunday.
①on+具体某月某日
②on+具体的节日
③on+星期几
小试牛刀:
in 2012 2)on September 21st 3)at five thirty 4)in December
5)on the morning of May 5th 6) in New Year’s Day
7) at eight o’clock 8) in winter
【达标检测】
Ⅰ. 1. second 2. third? 3. fifth 4. fifteenth 5. seventeenth 6. thirtiet
Ⅱ. 1. twenty-first 2.Their 3. eighth 4. Jenny’s 5. to buy
Ⅲ. CDBCA
Ⅳ. 1. old 2. I’m 3. when 4. on 5. about 6. in
培优练习
Ⅰ. 根据横线后的标点提示,将所给单词连成完整、正确的句子。
1. birthday, is, his, on, 1st, June
___________________________________.
2. old, is, her, how, mother
___________________________________?
3. your, grandpa's, is, when, birthday
___________________________________?
4. her, birthday, on, 17th, is, September
___________________________________?
Ⅱ. 根据对话内容,在空白处填入恰当的句子,使对话完整、通顺。
A: Hi, Sally.
B: Hi, Alan. Do you have time next week? We can take a trip.
A: No, I don't. I must go to my twin (双胞胎) sisters' birthday party.
B: (1) _____________________________?
A: It's next Friday.
B: (2) _____________________________?
A: They're 13.
B: Oh, my brother is 13, too.
A: Oh. (3) _____________________________?
B: His birthday is on August 8th.
A: I see.
答案
Ⅰ. 1. His birthday is on June 1st
2. How old is her mother
3. When is your grandpa's birthday
4. Is her birthday on September 17th
Ⅱ. 1. When is their birthday 2. How old are they
3. When is his birthday