一、 数词的概念:表示数目多少或先后顺序的词。
二、数词的分类
数词可分为基数词和序数词两种 表示数目的多少的词叫做基数词。 表示先后顺序的数词叫序数词。
三、数词的用法
1、基数词表示数量的多少,注意与后面的名词单复数保持一致,并注意谓语动词的变化。 如:
There is one egg on the table(one 为一个,egg 是单数形式,谓语动词用is) There are ten eggs on the table.(ten 为十个,egg用复数形式,谓语动词用are)
注意:不可数名词不能与基数词连用,不能说two milk,但可以说two glasses of milk。
2、序数词表示人或物的排列顺序,意思为“第......”序数词前面要加the. 如:
Sunday is the first day of every day星期日是每个星期的第一天
December is the twelfe month of the year.十二月是一年中的第十二个月
3、基数词表示时间有以下几种情况: 1)所有时间都可以表示为:“小时(基数词+分钟)”。 如:6:20 six thirty 7:35 seven thirty-five
9:30 nine thirty 4:15 four fifteen
2)小于或等于30分钟的时间可以表示为“分钟+past+小时”,意思为“几点过几分”
如:6:30 half past six 7:10 ten past seven 8:25 twenty-five past eight
3)大于三十分钟的时间可以表示为“(60-分钟)+to+(小时加1)”意思为:“差几分到几点”
如:8:54 six to nine 11:37 twenty-three to twelve 12:47 thirteen to one 4、
1)记住以下最基本的基数词: one two three foue five six eight nine ten eleven twelve thirteen
Fourteen fifteen sixteen seventeen eighteen nineteen twenty thirty forty fifty sixty seventy eighty ninety ,a hundred。
2)记住下列最基本的序数词: first second third fourth fifith sixth seventh eighth ninth tenth eleventh 典型例题:
单项选择:
1)I am in .
A.Class 5 B. 5 Class C.Class 5th
2) people visited our school this morning. A. Hundred of B.Several hundreds of C.Hundreds of D. Twelve hundreds
改错:
3)There are fivety students in our class. A B C D
4)Now it is the twenty-one century(世纪) A B C D 练习题:
()1、We are going to learn next week.
A.Lesson Twelve B.Lesson twelfth C.twelve Lesson D.the Lesson Twellth ()His child is now years old.
A.nineth ; nineteenB.ninth ; nineteen C.nineth ; nineteen D.ninth ; ninteen ()3、I was born on August . A.fifths B.the fifth C.fiifth D.fiveth
()4、The next day was his birthday. A.sixty B.sixties C.sixtieth Dsix. ()5、He was in .
A.105 Room B.105th Room C.Room 105 D.the Room 105 ()6、Monday is day of the week. A.Two B.the two C.the second Dsecond. ()7、Now it is cenrury.
A, the twenty-one B,the twenty one C,the twenty-first D.the twenty first ()8、One third of this bread bad. A.is B.areC.am D.be
()9、---What time is it now? ---It’s .
A,thirty-two past six B,twenty past six C,fifty-five to six D,thirty to six ()10、There are monthes in a year. A,twelve B,twelfth C,twelveth D,thirteen
()11、He got the place in the competition. A.one B.first C.two D.seconds
()12、There are days in a week A.six B.seven C.seventh D.sixth
相关推荐: