序数词和介词用法

1、序数词序数词 和和 介词介词 at 、on、 in 用法用法的复习的复习1、复习并总结基数词变序数词的复习并总结基数词变序数词的规律规律2、复习总结、复习总结at、 on、 in在表时在表时间时的用法间时的用法复习目标一：复习并总结基数词变序数词的规律复习并总结基数词变序数词的规律复习指导一复习内容：总结基数词变序数词的规律复习方法：小组讨论，同桌对话。复习时间：10分钟复习要求：能灵活运用基数词序数词做题 four-fourth seven-seventhten-tenth thirteen-thirteenth序数词是由基数词后加序数词是由基数词后加-th 变化而变化而来。来。表示次序的数

2、词叫序数词，是由表示次序的数词叫序数词，是由基数词变化而来的。基数词变化而来的。基变序有规律，词尾加上th，特殊例子特殊记v one -firstv two-secondv three-third几个特殊变化的序数词几个特殊变化的序数词v five-fifthv eight-eighthv nine-ninth vtwelve-twelfth整十的序数词把整十的序数词把 y 变成变成 i加加-eth twenty-twentieth thirty-thirtieth整十的序数词整十的序数词第二十以上的序数词，百位和十位第二十以上的序数词，百位和十位数不变，只把个位数变成序数词。数不变，只把个位

3、数变成序数词。twenty-one-twenty-first one hundred and one-one hundred and firstone hundred and twenty-one hundred and twentiethone hundred and ninety-nine-one hundred and ninety-ninth复习检测一一、你能写出 60、88 、95 、23 、 44 、 31、 158的序数词吗？试一试60 sixtieth 88 eighty-eighth 95 ninety-ninth 23 twenty-third 40 forty-fourt

4、h 31 thirty-first 159 one hundred and fifty-ninth二、根据句子意思填空。 1. Childrens Day is on the _ of June. 2. There are _ months in a year. 3. Teachers Day is on the _ of September. 4. Three plus(加) six is _ . firsttwelve tenth nine 5、Sunday is the ( ) day of a week. 6、September is the ( ) moth of a year. 7

5、、October ( ) is National of a year. 8. There are _ days in February. first ninth first twenty-eight复习目标二：复习总结复习总结at 、on 、in在表时间时的用法在表时间时的用法复习指导二复习内容：总结at、 on 、in在表时间时的用法复习方法：小组讨论，同桌对话。复习时间：10分钟复习要求：能灵活做题 at 时间最短，一般表示点时间，具体的某个时刻1.at six oclock2.at 8:30习惯用语：at night at noon at this time of yearOn 在具体某

6、一天 及 具体某一天的上午 下午 和晚上1.On mothers Day ,we should send flowers to our mother.2.On Monday/Friday/Saturday3.On Tuesday afternoon On Sunday morning (evening)4.On July 1,1999 On March 7On + 星期(1-7)On + 年，月，日 / 年，日 / 月，日In 用在表示一段的时间之前1.in spring/ summer/ autumn/ winter2.in 1999/ 2012 in May ,20123.in the m

7、orning /afternoon/ evening 4.in September/ May/ June/ July5.in a year in a week1 in +季节2 in +月份3 in +年 / 月 复习检测二复习检测二单选1. A lot of students in our school were born_March, 1981. A. in B. at C. on 2. I get up _ 5:30_the morning. A. on 、 in B. at 、at C. at 、in D. in 、 in3. Lucy was born_ the night of M

8、ay 12, 1984. A. on B. in C. at D. to 4. Mrs Brown was born _ 1996. A.on B. of C. to, D. inA CDA小结基数词变序数词的规律基数词变序数词的规律at 、on 、in在表时间时的用法在表时间时的用法当堂检测1. - How old is your son? - _. We had a special party for his _ birthday last Sunday. A. Nine; nine B. Nine; ninth C. Ninth; ninth D. Ninth; nine2. Tom i

9、s Mrs.Blacks _ son. A. second B. the two C. a second D. the second 3. June is the _ month of the year. A. five B. six C. seventh D. sixth 4. The _ month of a year is December. A. two B. second C. twelve D. twelfth B A DCD5. - Whats the date today? - Its _ . A. May fourth B. May four C. the May fourth D. fourth May 6.There are _ days in January. A.twenty-nine B.thirty C.thirty-one D.thirty-first 7.-How much is the coat? Its _. A.thirty oclock B.thirty yuan C.thirty years old 8.-When is your birthday? -_. A.Its on the 10th of July B.Its on 10 of July.