中考英语语法复习之数词.pptx
中考英语语法复习之数词BY COBRA_ZHY1数词数词基数词序数词其他数词2基数词(CARDINAL NUMERALS)I IIIIIIV1 one11 eleven1002 two12 twelve20 twentya hundred3 three13 thirteen30 thirty1,0004 four14 fourteen40 fortya thousand5 five15 fifteen50 fifty1,000,0006 six16 sixteen60 sixtya million7 seven17 seventeen70 seventy1,000,000,0008 eight18 eighteen80 eightya billion(十亿)9 nine19 nineteen90 ninety10 ten3基数词的构成1、2129：先说“几十”，再说“几”，中间要加连字符 85_ 42_2、101999：先说“几百”，再加and，再加末尾两位数 101_ 365_3、1,000以上的数，三位数一个逗号，分段念；第一个逗号前的数为thousand，第二个逗号前的数为million，第三个逗号前的数为billion。 4,007_ 1,564,782_ 15,200,000,321_4eighty-fiveforty-twoone hundred and onethree hundred and sixty-fivefour thousand and sevenone million, five hundred and sixty-four thousand, seven hundred and eighty-twofifteen billion, two hundred million, three hundred and twenty-one基数词的用法There are seven _ students in our school. A. hundred B. hundreds C. hundreds of_ foreigners come to visit China every year. A. Millions B. Millions of C. Million D. Million ofMy grandfather died in his _. A. eighty B. eighties C. eightieth D. eight二十世纪七十年代 _They walked in twos and threes._5hundred/thousand/million/billion用法类似in ones + 基数词复数形式表示“在某人几十多岁时”in the 1970s/in the 1970s三三两两BAB序数词(NUMERALS)I IIIII1 First11Eleventh2 Second12Twelfth20Twentieth3 Third13Thirteenth30Thirtieth4 Fourth14Fourteenth40Fortieth5 Fifth15Fifteenth50Fiftieth6 Sixth16Sixteenth60Sixtieth7 Seventh17Seventeenth70Seventieth8 Eighth18Eighteenth80Eightieth9 Ninth19Nineteenth90 Ninetieth 10 Tenth6序数词的构成1、除“第一、第二、第三”外，其他序数词均在基数词后加th构成，其中有些词在拼法上有少许变化。5th_ 8th _ 9th_ 12th_2、两位数的词，只需要把个位数变为序数词。22nd_ 93rd_3、三位以上的数，只把最后的两位数变为序数词。999th_4、注意缩写形式1st, 2nd, 3rd 21st, 32nd, 43rd 11th, 125th, 1,000th 7fiftheighthninthtwelfthtwenty-secondninety-thirdnine hundred and ninety-ninth序数词的用法Therere _ floors in this building and we live on the _ floor.A. nine, ninth B. ninth, nine C. nine, nineth I have tried for two times and Id like to have a _ try.A. three B. third They live on the _ floor. Youre the _ to make that mistake.A. second B. two8AABAA基数词表“数量”；序数词表“顺序”序数词和a连用，表示“再一个”、“又一次”等序数词可作定语，亦可作表语等其他数词之倍数1、倍数用于形容词原级比较的第一个as前； I have twice as many books as you do.2、倍数用在表示度量的名词前； The earth is 49 times the size of the moon.3、倍数用在形容词或副词比较级前或by+倍数放在比较级后； This building is twice larger than that one. We produced more rice in 2010 than that in 2009 by twice.9其他数词之分数101、分子用_, 分母用_；注意分子不是1的情况；_ _5_2、其它表示法；二分之一_ 四分之一_四分之三_ one and a half years3、*注意：分数不能直接在后面跟名词或代词，应该用成“分数+of+冠词或限定词+名词或代词”，其谓语动词与of后面的名词在人称和数上保持一致.Two thirds of the money was spent on books.基数词序数词one thirdfive eighthsfive and three eighthsa(one) halfa(one) quarterthree quarters其他数词之小数6.4six point four 0.8zero(naught) point eight 0.05zero point zero five12.409twelve point four oh nine11其他11、编号表示法on Page 10第十页 Bus NO.9第九路公共汽车 on Platform NO.5第五站台 Room 302The second part = part two第二部分 on the third floor在三楼2、世纪、年代、月、日表示法in February在二月 in 450 BC公元前450年 in the 1930s/1930s二十世纪三十年代in the 2000s/2000s二十一世纪 January 7, 200712其它2133、时刻表示法a.整点钟 6:00_b.半点钟 3:30_c.刻钟 2:15_ 2:45_d.129分 4:24_e.3159分 7:36_4、算式表达法 a.2+2=4 _b.10-3=7 _c.9*6=54 _d.20/4=5 _six oclockhalf past threea quarter past twoa quarter to threetwenty-four past fourtwenty-four to eighttwo plus two is(equals) fourten minus three is sevennine multiplied by six is fifty-fourtwenty divided by four is five
