中考英語語法復(fù)習(xí)資料 第一部分 詞法 專題四 數(shù)詞(1).doc

中考專題四：數(shù)詞基數(shù)詞: 表示人或事物數(shù)量多少的詞.序數(shù)詞: 表示人或事物的順序的詞.一. 基數(shù)詞.1.基數(shù)詞的讀法. 1)1-12 : one two three four five six seven eight nine ten eleven twelve 2)13-19: 詞尾加-teen :thirteen fourteen fifteen sixteen seventeen eighteen nineteen 3)20,30,40,50,60,70,80,90 : 逢十詞尾加-ty :twenty thirty forty fifty sixty seventy eighty ninety 4)21-99: 在十位與個(gè)位之間加連字符構(gòu)成. 21- twenty-one 99-ninety-nine 5)101-999 :先說幾百, 再加and ,再加末尾兩位數(shù)或個(gè)位數(shù). 101-one hundred and one 238-two hundred and thirty-eight 6)1000以上的數(shù):先將數(shù)字從右往左數(shù),每三位數(shù)用一個(gè)逗號(hào)隔開, 從右往左第一個(gè)逗號(hào)表示 “千”讀thousand 第二個(gè)逗號(hào)表示 “百萬”讀million 第三個(gè)逗號(hào)表示 “十億”讀billion 18,657,421-eighteen million, six hundred and fifty-seven thousand, four hundred and twenty-one.二. 序數(shù)詞基數(shù)詞變序數(shù)詞 口訣: 基變序,有規(guī)律,詞尾要加th .一二三,特殊記,詞尾分別tdd(first second third ) 八去t ,九去e,ve要用f替.ty變作tie,再加th莫忘記. 若遇幾十幾,只變個(gè)位就可以.三. 數(shù)詞的應(yīng)用.1.表編號(hào). 結(jié)構(gòu):名詞(首字母要大寫) + 基數(shù)詞 = the +序數(shù)詞 +名詞 lesson one = the first lesson 注：有些編號(hào)，一般僅用第一種表達(dá)法。 room 101 101號(hào)房間2.序數(shù)詞前一般加定冠詞the 但序數(shù)詞前與不定冠詞a /an 連用時(shí),表示 “又一,再一” youve done it three times .why not try _fourth time? a.a b.an c.the d. /3.數(shù)詞前加every ,表示每/每隔 . every ten days =every ninth day 每十天(每隔九天) 注:every +基數(shù)詞 +復(fù)數(shù)名詞 = every + (序數(shù)詞-1) +單數(shù)名詞4.基數(shù)詞的復(fù)數(shù)形式表示年代和年齡 1)表示年代: in the + 年份的復(fù)數(shù) 在幾世紀(jì)幾十年代.在十九世紀(jì)七十年代. _. 2)表年齡: in ones + 整十的復(fù)數(shù) 表示在某人幾十歲時(shí)在他四十歲時(shí): _.5. hundred / thousand /million /billion 1).若hundred / thousand /million /billion 前有基數(shù)詞時(shí),其后不加s,也不加of .若沒有時(shí) ,既加s 也要帶of .every year _ visitors come to china. there are two _ students in our school. a.thousand b.thousands c.thousands of d.thousand of 2).若其前有a few 、many、several 修飾時(shí)，通常用復(fù)數(shù)，后接of. 3).若名詞前有the修飾時(shí)，用單數(shù)，后接of two _the students in our school are from the countryside. a.hundred b. hundred of c.hundreds of d.hundreds 6.幾個(gè)半的表達(dá)法: 基數(shù)詞 + and + a half +名詞復(fù)數(shù) = 基數(shù)詞 +名詞(單數(shù)/復(fù)數(shù)) +and +a half two and a half hours = two hours and a half 7.時(shí)刻表達(dá)法: 1)整點(diǎn): 基數(shù)詞 + oclock 2)幾點(diǎn)幾分: a).直接讀法: 先讀小時(shí) ,后讀分鐘 3:25 - three twenty-five b).間接讀法: a)30分鐘. 分鐘+ past + 小時(shí) 3：25 -twenty-five past three b)30分鐘. ( 60-分鐘 )+ to + (小時(shí)數(shù)+1) 3:55 - five to four c) 30 分鐘 = half 15分鐘=a quarter 45分鐘= three quarters 3:30 -half past three 3:15-a quarter past three 3:45 -a quarter to four 8.日期表達(dá)法: 結(jié)構(gòu): 1).月 日,年 (日用序數(shù)詞,年用基數(shù)詞) 注:年份的讀法: 先讀前兩位數(shù),再讀后兩位數(shù). 讀日時(shí)要加the.1900-nineteen hundred 1807-eight and seven (eight o seven)2008-two thousand eight 2007年3月21日.- march the twenty-first, two thousand and seven. 2).日 月 年 (the +序數(shù)詞+of +月, 年)2007年3月21日-the twenty-first of march ,two thousand and seven.9.分?jǐn)?shù)詞的表達(dá)法: 1).結(jié)構(gòu): a).分子用基數(shù)詞,分母用序數(shù)詞. b).當(dāng)分子大于1時(shí),分母加s. 3/4- three fourths (three-fourths) 2).注意:a).分?jǐn)?shù)詞的幾種特殊形式. 1/3one third = a third 1/4one fourth = a quarter 1/2one second = a half 3/4three fourths = three quarters b).分?jǐn)?shù)詞作主語時(shí), 謂語動(dòng)詞根據(jù)分?jǐn)?shù)詞后面的名詞來確定. two fifths of the milk _(be ) drunk by tom . one third of the students _(be )girls .練習(xí)題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. october 1, 1949 c. august 1, 1927 d. may 1, 19225. _ chinese are looking for ways to learn english well before beijing 2008 olympics. a. thousand b. thousands c. thousand of d. thousands of6mr zhang teaches at middle school.a. a no.5 b.no.5 c. the no.5th d.5th no 7john lives on floor.a. twenty b. twentieth c. the twentieth d. the twentyth 8he has worked on the farm for years.a. two and half b. two and a half c. a half and two d. two halves and a 9xiao mao and da mao are in .a. team fourth b. the team four c. team four d. four team 10sorry, had been sold out.a.42 size b. size 42 c.the 42 size d. the size 42 11it is said that sars has killed more than _ people worldwide. a. three hundreds b. three hundreds c. three hundreds d. three hundred12-what do you think of a war, li ming? -ive no idea. but its a fact that _ people had to leave their hometown during the war on iraq. a. three millions b. million of c. millions of d. several millions13 we all think that the _ century will bring us more hopes. a. twenty-first b. twentieth-first c. twenty-one d. twentieth-one14 both of the two rulers are broken. i want to buy a _one. a. three b. third c. forth d. /15. i heard the sports meeting has been put off until _, hasnt it? a. the 3 and 4 b. the 3th and 4 th c. the 3 rd and 4 th d. four and five16. _ of the earth _ made up of oceans. a. two-third; is b. two-thirds; is c. two-third; are d. two-thirds; are17. since 1964, _ satellites have been sent into space. a. dozens of b. four dozens c. dozen of d. several dozens18. jack booth is a _ man. a. 21-years-old b. 21 years old c. 21-year-old d. 21 year old19. ive lived here for about _.