Unit8WhenisyourbirthdaySectionAGrammar课件人教版七年级英语上册

Unit8Whenisyourbirthday?SectionAGrammarDoyouknowthem?Name:TangHongboDateofbirth:Oct.Age:46Name:LiuBomingDateofbirth:Sept.17thAge:55Name:NieHaishengDateofbirth:Sept.Age:57Whenaretheirbirthdays?—Whenishisbirthday?—Hisbirthdayison/in..../It’son/in...21st.GrammarFocus探究语法规律Whatdidyoufindout?探究一：如何询问和回答别人的生日？用特殊疑问词when(什么时候)来询问别人的生日，句型为：When+be+sb.‘s+birthday?回答：sb.’s+birthday(s)+be+(on/in)…It’s(on/in)…表示“在某日”，用介词“on”;表示“在某月”，用介词“in”探究一：如何询问和回答别人的生日？用句型Whenis/aresb’sbirthday(s)?来询问他人的生日。回答时用sb’sbirthday(s)is/are(on/in)…或用句型：It’s(on/in)…—Whenisyourbirthday?—Mybirthdayis/It’sAugusttenth.—WhenisJane’sbirthday?—Herbirthdayis/It’sonJanuarytwelfth.—Whenaretheirbirthdays?—TheirbirthdaysareMay2ndandJune5th.

—Whenareyourparents’birthdays?—They’reonFebruarytwenty-ninth.21st.GrammarFocus探究语法规律Whatdidyoufindout?探究二：物主代词和名词所有格的用法物主代词和名词所有格都可表示“某人的……”，重点介绍名词所有格的用法。名词所有格就是在名词的后边加’s,表示某人的，强调所属关系。例如：李萍的书翻译为：LiPing’sbooks具体用法为：探究二：名词所有格的用法1）单数名词后直接加’s

如：Jim’scoat

Jeff'smother

2）以s结尾的复数名词，只加“’”如：Teachers’Day

thetwins’books

3）不以s结尾的不规则的名词复数，加“’s”如：Children’sDay

men’s

shoes4)表示两者共同拥有时，只在最后一个名词后加’s

表示两者各自拥有时，要在每个名词后加’s比较：LucyandLily's

mother

Lucy‘sandKate’s

rooms

注：表示时间、距离、国家、城市等无生命的名词也可以使用名词+'s所有格。如：afewyears’

time几年的时间NewYear’s

Day元旦节today’snewspaper今天的报纸thecity’s

life城市的生活Let’slearnnumbers!Canyousaythesenumbers?1 2 3 4 5 6 7 8 9 10 1112

1314151617181920 212230405060708090100101200onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onetwenty-twothirtyfortyfiftysixtyseventyeightyninetyonehundredonehundredandonetwohundred1st 2nd3rd4th5th6th7th8th9th10th11th12th13th14th15th16th17th18th19th20th21st22nd30th40th50th60th70th80th90th100th101st200thfirstsecondthirdfourthfifthsixthseventheighthninthtenththirteenthfourteenthtwelftheleventhfifteenthsixteenthseventeentheighteenthnineteenthtwentiethtwenty-firsttwenty-secondthirtiethfortiethfiftiethsixtiethseventietheightiethninetiethhundedthonehundredandfirsttwohundredth基数词表示数目/数量多少onefirsttwosecondthreethirdfourfourthfivefifth序数词表示顺序1st2nd3rd4th5th基变序，有规律，一般情况加th。1,2,3,特殊记，f来把ve替。8去t，9去e，末尾加上thsixseveneightninthtententh6th7th8th9th10thninesixthseventheightheleventwelvethirteenfourteenthfifteenfifteenth11th12th13th14th15thfourteeneleventhtwelfththirteenthtwentytwentieththirtythirtiethfortyfortiethfiftyfiftiethsixtysixtieth若要表示整数十，词尾y变ie，然后加上thseventyseventietheightyeightiethninetyninetiethhundredhundredth20th30th40th50th60th70th80th90th100thtwenty-onetwenty-firsttwenty-twotwenty-secondtwenty-threetwenty-thirdtwenty-fourtwenty-fourthtwenty-fivetwenty-fifth若要表示几十几，只变个位就可以。21th22th23th24th25th【记忆口诀】基变序，有规律，多数词尾加-th。一、二、三特殊记，词尾字母t,d,d。八去t,九去e,ve要用f替，然后再加-th。遇到整十要注意，变y为i还加e，th最后加上去。要是遇到几十几，只变个位就可以。

序数词的用法：1.

序数词要加定冠词the。但当序数词前有物主代词(his,her…)、指示代词(this,that…)等修饰时，则不必再用the。如：

onthethirdfloor在三楼

onhistwelfthbirthday在他十二岁生日这天2.序数词常用缩写形式，即“阿拉伯数字+个位序数词的后两个字母”。如：one→1st;second→2nd;third→3rd;twelfth→12th;twenty-sixth→26th3.

序数词可表示日期“几月几日”中的“几日”。如:August17th8月17日October1st10月1日用所给数词的适当形式填空。1.Augustisthe_______(eight)month(月)ofayear(年).

2.Lookatthepicture.The_______(two)girlismysister.

3.Heisthe________(twenty)inthetest(考试).

4.Today(今天)ishis_______(forty)birthday.

5.Sunday(星期天)isthe_______(one)dayofaweek(周).

eighthsecondtwentiethfortiethfirstPractice3aMatchthequestionsandanswers.bdecaA:How______areyou,Grace?B:_________twelve.A:And_____isyourbirthday?B:My________isonMarch12th.HowaboutyouandTom?A:Well,mybirthdayis_____July5th,andTom’sbirthdayis_____December.Completetheconversationandpracticeitwithyourpartner.3boldI’mwhenbirthdayonin3cFindoutyourclassmates’birthdaysandages.Lineupfromtheyoungesttotheoldest.

NameAgeBirthday_______ _______________________ _______________________ _______________________ _______________________ _______________________ _________