初中数词语法及练习.docx

B:数词专项第一部分：知识点分析一、基数词1） 基数词读法： 月， 日， 年， 如 2007 年六月十三日读作： June （the） thirteenth, two thousand and seven 具体某一天用介词on on Monday, on Tuesday ， May 24 （ 星期，月，日 ）（主要体现在口语考试和听力题目中）2）表示一个具体数字时，hundred, thousand, million, ,dozen,score一律不用复数；在表示一个不确定数字时则用复数 （ 确数没s ，概数加s， of s 同出现 ） 例如：There are three thousand students in our school.After the war, thousands of people became homeless.基数词位置： “名词 +基数词”Lesson 15; Room 1506 或者用“ the + 序数词 + 名词”The Fifteenth Lesson the third floor, Paragraph 2， No,11、时间均用基数词表示：1 ）顺读法，先说“点钟” ，再说“分钟” ，如：2:15 two fifteen 6:20 six twenty2）逆读法30 分钟以内： “分钟数 + past + 钟点数” ，如：3:20 --- twenty past three 2:10 --- ten past two半小时用 half ， 15 分钟用 a quarter :2:15 --- a quarter past two 3:30 --- half past three31 分钟以外要用： “分钟数 + to + 下一个钟点” ，如： 4:35 --- twenty-five to five 2:55 --- five to three1） 在一些表示" 一排 " 或 " 一组 " 的词组里；如： They arrived in twos and threes.他们三三两两的到达了。

1）表示" 几十岁 " ， in one ’ s + 数词 例如： He died in his forties ．2）表示" 年代 " ，用 in +the + 数词复数； in the 1960s.2） 一到十二分别记十三到十九都带teen二十到九十整的数， ty 结尾别忘记要是表示几十几，一横十位连各位one two three four five sixseven eight nineten eleven twelvethirteen fourteen fifteen sixteenseventeen eighteen nineteentwenty thirty forty fifty sixty seventy eighty ninetytwenty-one thirty-eight fifty-threea hundreda thousanda milliona billion4）数词形容词（只能做前置定语）A boy five years old.A five-year-old boy.二、序数词The加序数词表第几，a加序数词表又一，再一1）序数词主要用作定语，前面要加定冠词，例如：The first truck is carrying a lot of baskets2）序数词有时前面可加不定冠词来表示“再一”，“又一”这样的意思，例如：We'll have to do it a second time3） 1 至 12 序数词：one---first, two---second, three---third, four- - fourth five---fifth,six - sixth,seven —seventh,eight---eighth,nine---ninth,ten— tenth,eleven--eleventh twelve-twelfth缩 写 形 式：first — 1stsecond ― 2ndthird -3rdfou rth -4th twenty -second-22ndfirst second third fourth fifth sixth seventh eighth ninth tentheleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenthtwentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetiethhundredthtwenty-first ninety-nintya hundred and fifty-third4）分数：分子用基数，分母用序数，分子大于1,分母加-S。

分数修饰的名词作主语谓语动词的单复和名词一致three fourths, one second, two fifths, three quarters数词与小时的搭配half 一半，a halfone and a half hour, two hours and a half three hours half an hour倍数表示法主语+谓语+倍数+ as + 形容词+ asA is three times as big as Bis three times bigger than BA is three times the size主语+谓语+倍数+形容词比较级+thanA主语 + 谓语 + 倍数+the size （length,breadth,level ） +of of B 3、易错点1. We will have a holiday after the exam.A. two month B. two- month C. two month ' s D. two -months答案：B （选才i C的同学要注意应用 two months";选才i D的同学要注意名词之间有后的组合词当作形容词来用，因此就不用所有格形式了.）2. .trees are cut down in the forests every year.A. Thousand B. Thousands C. Thousand of D. Thousands of答案：D.（选才i C的同学注意词组记忆的准确性）3. Our sports meeting will be held.A. on 24, Tuesday, April B. in April 24, TuesdayC. on Tuesday, April 24 D. in April Tuesday 24答案：C.（具体某一天介词on,时间排序：星期，月，日）2002,5,20 : May 20th,2002,the twentieth of May,2002注意：数词形容词作定语时，一般用单数形式a seven-year-old boy4. Our school will hold a sports meeting next week. Tomand I will be in boys' . race race metre race答案：C. 800 来修饰 race,有两种表达法，800-metre race 或 800 metres' race.5. I'm very hungry, I have eaten two cakes, would you please give me one?A. move B. three C. a third D. the third答案：C.序数词前加不定冠词，表示“又一，再一”，表示 another o6. of the land in the world is covered by water.A. Four three B. Three four C. Three fourth D. Three fourths答案：D.此题考查分数的写法，如果分子大于1,分母用复数。

例 6 We will have holiday in the winter.A. four weeks B. a four-week C. four week D. a four weeks答案：B.此题为一个四星期的假期，数次形容词作前置定语1. ---How many workers are there in your factory?---There are two.A. hundreds B. hundred C. hundred of D. hundreds of2. About students in our class can describe that place in English.A. three-fifths B. three-fifth C. third-five D. third-fifths3. ---Can you write the number eighty-five thousand, six hundred and twenty-six?---Yes, it is.A. 856620 B. 85626 C. 58662 D. 586264. . When was the PRC founded? It was founded on.A. July 1, 1921 B. 1, 1949,October C. August ,1927 1,, May ,19225. . Chinese are looking for ways to learn English well before Beijing 2008 Olympics.A. Thousand B. Thousands C. Thousand of D. Thousands of6. Mr Zhang teaches at Middle School.A. a .5 C. the No7. John lives on floor.A. twenty B. twentieth C. the twentieth D. the twentyth8. He has worked on the farm for years.A. two and half B. two and a halfC. a half and two D. two halves and a1. It is said that SARS has killed more than people worldwide.A. three hundreds B. three hundreds ' C. three hundred ' s D. three hundred2. -What do you think of a war, Li Ming?-I ' ve no idea. But it ' s a fact that people had to leave their hometown during the War on Iraq.A. three millions B. million of C. millionsofD. several mi。