中考英語語法-數(shù)詞課件

1、2022/9/28中考英語語法數(shù)詞課件2022/9/26中考英語語法數(shù)詞課件1 基數(shù)詞2 序數(shù)詞3 分?jǐn)?shù)4 百分?jǐn)?shù)5 小數(shù)一、數(shù)詞的分類：二、 數(shù)詞的其它用法1 基數(shù)詞一、數(shù)詞的分類：二、 數(shù)詞的其它用法基數(shù)詞定義：表示數(shù)目的詞。 如 one、two、three .基數(shù)詞定義：表示數(shù)目的詞。012345678910 zero one two three four five six seven eight nine ten111213141516171819eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen203

2、0405060708090 twenty thirty forty fifty sixty seventy eighty ninety 0 zero11eleven20 twenty100101 9081217192135465367 twenty-one thirty-five forty-six fifty-three sixty-seven one hundred one hundred and one nine hundred and eight one hundred and twenty-one seven hundred and nineteen10021 twenty-one

3、one hundred1,0201,6571,248,0005,300,0245,183,000,0006,201,384,100 one thousand and twenty one thousand six hundred and fifty-seven one million two hundred and forty-eight thousand five million three hundred thousand and twenty-four five billion one hundred and eighty-three million six billion two hu

4、ndred and one million three hundred and eighty-four thousand one hundred1,020 one thousand and twenty 總結(jié)基數(shù)詞用法：1. 112有各自獨(dú)立的形式。2. 13-19都是相對應(yīng)39加上teen構(gòu)成，特殊拼寫的詞有thirteen, fifteen, eighteen。3. 2090都以-ty結(jié)尾，特殊拼寫的有twenty, thirty, forty, eighty。4. 2199,表示幾十幾，中間添加連字符 “-”。5. 百位數(shù)可由百位數(shù)and+兩位數(shù)組成。6. 千位數(shù)可由千位數(shù)+百位數(shù)+兩位

5、數(shù)組成， 千位以上從數(shù)字右端向左端數(shù)起，每三位加一個(gè)逗號(hào)，依次為thousand,million, billion。 總結(jié)基數(shù)詞用法：1. 112有各自獨(dú)立的形式。 7.表示確切數(shù)字時(shí)，hundred, thousand, million，billion只用單數(shù)。如：五百棵樹five hundred trees兩千個(gè)盒子 two thousand boxes三百萬只綿羊 three million sheep二十億人 two billion people 7.表示確切數(shù)字時(shí)，hundred, thousand, 8. 表示不確定概念的數(shù)字，hundred, thousand, million后

6、需加s。如：數(shù)百個(gè)嬰兒 hundreds of babies數(shù)千個(gè)盒子 thousands of boxes數(shù)百萬只綿羊 millions of sheep數(shù)十億人 billions of people8. 表示不確定概念的數(shù)字，hundred, thousan注意：表示不確定數(shù)字時(shí)用復(fù)數(shù)常見有：1）hundreds/thousands/millions/billions of +n2）thousands and thousands of (成千上萬）3）many /some/several hundreds /thousands/millions/billions of+n還有一個(gè)詞用法相同

7、： dozen(一打） two dozen eggs dozens of eggs兩打雞蛋數(shù)打雞蛋注意：表示不確定數(shù)字時(shí)用復(fù)數(shù)常見有：還有一個(gè)詞用法相同： d注意：表示“人的不確切歲數(shù)或年代”用幾十的復(fù)數(shù)形式。 如：1.她在30多歲時(shí)成為工程師2.他四十多歲時(shí)死于肺癌。3. 20世紀(jì)60年代She became an engineer in her thirties.He died of lung cancer in his forties.in the 1960s注意：表示“人的不確切歲數(shù)或年代”用幾十的復(fù)數(shù)形式。 如：S2) During the entrance exams , ther

8、e are _ parents waiting for their children outside the test center.A. thousand of B. thousands ofC. thousand D. two thousands B中考鏈接2) During the entrance exams ,There are _ students in this school .eight hundreds and forty-six eight hundred forty-six eight hundred and forty-six eight hundreds forty-

9、six C中考鏈接There are _ stu中考鏈接People often live a hard life_ .in the forty in the forties in forty on forties B中考鏈接People often live a hard l序數(shù)詞定義：表示順序的詞。e.g. first、second、third序數(shù)詞定義：表示順序的詞。1. 13分別為first,second,third 。2. 419都是在后面加上th,特殊的有fifth,eighth, ninth,twelfth。3. 2090把y變成ie然后加th,如twentieth。4. 219

10、9的序數(shù)詞變后面的各位數(shù)。5. 序數(shù)詞可以用縮寫，如1st, 2nd, 3rd ,4th序數(shù)詞的構(gòu)成：1. 13分別為first,second,third 。序12345678910 first second third fourth fifth sixth seventh eighth ninth tenth111213141516171819eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth 1st 2nd 3rd 4th 5th 6th 7th 8th 9

11、th 10th 1 first11eleventh 1st2030405060708090 twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth20 twentieth21324355677899101203412 twenty-first thirty-second forty-third fifty-fifth sixty-seventh seventy-eighth ninety-ninth one hundred and first two hundred and third four

12、 hundred and twelfth 21st 32nd 43rd 55th 67th 78th 99th 101st 203rd 412th 21 twenty-first 21st 101st1、 序數(shù)詞的構(gòu)成規(guī)則： 一二三單獨(dú)記， th 從四加起 eight 少個(gè)t nine 去掉e ve要用f來替 ty變成tie 若問幾十幾，幾百幾， 只變個(gè)位記心里。1、 序數(shù)詞的構(gòu)成規(guī)則： 2、 序數(shù)詞的用法1）一般情況下，序數(shù)詞前一定要加the 有物主代詞就不用the Sunday is the first day of the week. This is her twentieth birt

13、hday. 2、 序數(shù)詞的用法2)序數(shù)詞有時(shí)前面可加不定冠詞來表示“再一”， “又一”這樣的意思， a+序數(shù)詞Ill go to Beijing a second time. Well have to do it a second time Shall I ask him a third time？ (再一次，又一次，前面去過了一次）Both of the two rulers are broken. I want tobuy_ one. A. the third B.three C.a third D. a C2)序數(shù)詞有時(shí)前面可加不定冠詞來表示“再一”， A. the1) The _que

14、stion is much more difficultthan this one . forth B. fortyC. fourteen D. fourth D中考鏈接1) The _question is much2) He believed his lucky number was ten , so he decide to live on the _ floor. ten B. twelvethC. nineth D. twentieth D中考鏈接2) He believed his lucky numbeHow was your weekend?Great! It was my g

15、randfathers_birthday. We enjoyed ourselves. A. seventy B. seventieth C. the seventieth D. seventeenth B中考鏈接How was your weekend? B中考鏈分?jǐn)?shù)1.構(gòu)成：分?jǐn)?shù)是由基數(shù)詞和序數(shù)詞一起表示， 基數(shù)詞作分子，序數(shù)詞作分母， 基數(shù)詞大于“1”，序數(shù)詞要用復(fù)數(shù)形式。2.用法：分?jǐn)?shù)做主語時(shí)，謂語動(dòng)詞的單復(fù)數(shù)由of 后的名詞來決定。3.百分?jǐn)?shù)的表達(dá)：用“基數(shù)詞+percent”表示，注意percent 不用復(fù)數(shù)形式，如： 3% three percent 50% fifty perc

16、ent 百分?jǐn)?shù)作主語用法同分?jǐn)?shù)一樣。 分?jǐn)?shù)1.構(gòu)成：分?jǐn)?shù)是由基數(shù)詞和序數(shù)詞一起表示， 分?jǐn)?shù)1/3 1/42/53/4 one third one fourth two fifths three fourths分子基，分母序，分子大于1，分母加s 分?jǐn)?shù) one 1/2 1/4 3/4 one second a half one fourth one/a quarter three fourths three quarters 1/2 one second a half 分?jǐn)?shù)的用法分?jǐn)?shù)+of+(C) 單 +V單(C) 復(fù)+V復(fù)(U) +V單 分?jǐn)?shù)的用法三分之一的這些書 one third of t

17、he books三分之一的這些垃圾 one third of the rubbish 這個(gè)蘋果的三分之一 1 One third of the books_(be) popular with the young.2 One third of the rubbish_(have)been recycled.3One third of the apple _(be) on the table. one third of the apple are has is三分之一的這些書 one third of the applThere is a lot of food in the refrigerat

18、or.About _ is meat. two five B. two fifthsC. two fifth D. second fifths B中考鏈接There is a lot of food in the 2)Three quarters of the earth _ withWater. are cover B. is coverC. are covered D. is covered D中考鏈接2)Three quarters of the earth 百分?jǐn)?shù)89%40%100% eighty-nine percent forty percent one hundred perce

19、nt 寫法：基數(shù)詞 +%讀法： 基數(shù)詞 percent 百分?jǐn)?shù)寫法 百分?jǐn)?shù)的用法同分?jǐn)?shù)的用法百分?jǐn)?shù)+of+(C) 單 +V單(C) 復(fù)+V復(fù)(U) +V單 百分?jǐn)?shù)的用法同分?jǐn)?shù)的用法(C) 單 小數(shù)0.50.321.61.72zero point fivezero point three two / thirty-twoone point sixone point seven two/seventy-two當(dāng)數(shù)值大于1時(shí)，小數(shù)點(diǎn)后的名詞用復(fù)數(shù)。如：1.03 meters 1.5 tons 小數(shù)0.5zero point five當(dāng)數(shù)詞的其它用法編號(hào)的表示 1）基數(shù)詞表示編號(hào)，放在名詞之后 ；序數(shù)

20、詞放在名詞之前 第一課第七頁第三冊Book Three the third bookLesson One （the first lesson）Page Seven (the seventh page)數(shù)詞的其它用法Book Three the 601房間 南京路15號(hào) 第十三路公車 Room 601 No. 15 Nanjing Road Bus No.13 the No.13 bus2) 數(shù)字過長，一般用基數(shù)詞 601房間 Room 6012) 數(shù)字過長，一般用基數(shù)詞2. 年月日和時(shí)刻的表示 1）年份的寫法和讀法 18051900191020002010358BC550AD eighteen

21、 o five nineteen hundred nineteen ten two thousand two thousand and ten three hundred and fifty-eight B.C five hundred and fifty AD2. 年月日和時(shí)刻的表示1805 eighteen o fi2）年月日的表示1998.9.12013.1.17 September 1st , 1998讀成：September the first, nineteen ninety-eight 1st September 1998讀成：the first of September, ni

22、neteen ninety-eight January 17th, 2013 17th January 20132）年月日的表示1998.9.1 September 1st3）年代/世紀(jì)的表示 20世紀(jì)18世紀(jì)20世紀(jì)80年代19世紀(jì)50年代 the twentieth century the eighteenth century the 1980s the 1980s the 1850s the 1850s in the 1850s the 1850s the 1700s the 1900s在19世紀(jì)50年代3）年代/世紀(jì)的表示20世紀(jì) the twentieth c Have a try!

23、 在1990年在二十世紀(jì)在二十世紀(jì)90年代 in 1990 in the 1900s in the 1990s Have a try! 在1990年 in 19904）時(shí)刻的寫法和讀法 A 直接表達(dá)法: 先小時(shí)后分鐘7：008：205：55 seven oclock eight twenty five fifty-five4）時(shí)刻的寫法和讀法A 直接表達(dá)法: 先小時(shí)后分鐘7：00 B 間接表達(dá)法:6：057：158：205：306：4510：55 five past six fifteen/a quarter past seven twenty past eight half past fiv

24、e fifteen/a quarter to seven five to eleven分鐘(30)past+小時(shí)to+(小時(shí)+1) B 間接表達(dá)法:6：05 five past si4 年齡的表示 1) at the age of +數(shù)字 十二歲時(shí) at the age of twelve 三十歲時(shí) at the age of thirty4 年齡的表示 數(shù)字-year-old : 幾歲的 數(shù)字 years old : 幾歲 twelve-year-old twelve years old He is only a _(四歲的) boy. He is only _(四歲). four year

25、s old four-year-old 數(shù)字-year-old : 幾歲的 four ye3) in ones twenties / thirties/forties在某人二十/三十/四十幾歲時(shí)在我三十幾歲時(shí)在你四十幾歲時(shí)在她五十幾歲時(shí) in my thirties in your forties in her fifties3) in ones twenties / thirt5 次數(shù)的表示 一次 兩次 三次 四次 once twice three times four timesI have seen the film _.A. second B. two C. two time D. t

26、wice D5 次數(shù)的表示 一次 onceI have seen the6 倍數(shù)的表示 一倍 兩倍 三倍 四倍 once twice three times four times 這把尺子是那把的三倍長。 This ruler is _ than that one . three times as long as6 倍數(shù)的表示 一倍 once 這把尺子是那把的三倍長。 t7. 其它含有數(shù)詞用法的固定詞組/句型1) 她是第一個(gè)到達(dá)學(xué)校的。She is the first to get to school . be the +序數(shù)詞 + to do sth.2) 長江是中國第一長河。The Cha

27、ngjiang River is the first longest river in China. the +序數(shù)詞+adj. 最高級(jí)7. 其它含有數(shù)詞用法的固定詞組/句型3) 這座建筑物有50米高。The building is 50 meters tall. 數(shù)字+單位+adj.4) 又來了三個(gè)模特。Here comes another three models. 注意：another + 數(shù)字+可數(shù)名詞復(fù)數(shù)= 數(shù)字+more+可數(shù)名詞復(fù)數(shù) 表示再幾個(gè)、又幾個(gè)3) 這座建筑物有50米高。3) He has just finished writing a _composition.nine-hundreds-word nine-hundred-wordsC. nine-hundred-word D. nine-hundreds-words C3) He has just finished writin4) Time is not enough for so much work._ peop