讲解04 数词-中考英语总复习基础语法分类讲练(16张PPT).ppt

1、中考英语总复习基础语法分类讲练讲解04 数词一、基数词数 字基数词形式例 词012各自独立zero 0;one 1;nine 9;twelve 12131939+重读teen结尾特殊:thirteen 13;fifteen 15;eighteen 18一般:fourteen 14;sixteen 162090整十位数以ty结尾twenty 20;thirty 30;forty 40;fifty 50;sixty 60;seventy 70;eighty 80;ninety 90两位数(几十几)整十位数-个位数twenty-one 21;thirty-five 35;ninety-eight 9

2、8三位数(几百几).hundredand+两位数seven hundred and eighty-five 785;two hundred and ten 210数 字基数词形式例 词多位数从右向左数起,每隔三位数加一个逗号,依次为thousand(千),million(百万),billion(十亿),逗号中间三位数76,832,154,968seventy-six billion eight hundred and thirty-two million one hundred and fifty-four thousand nine hundred and sixty-eight【温馨提示】

3、基数词修饰hundred,thousand,million,billion,dozen等词时,这些词要用单数形式;若与介词of搭配构成短语表示不确定的数目时,这些词要用复数形式。例如:two hundred students二百名学生three thousand sheep三千只羊hundreds of dollars 几百美元millions of workers 数百万工人【考点练】()Today is Jacks birthday.He is _years old now.A.fourteenthB.fourteenC.the fourteenthD.the fourteen()(202

4、0新疆昌吉模拟)There are about _people in the village.A.eight hundredB.eight hundredsC.eight hundred ofD.eight hundreds of BA二、序数词数 字序数词变化规则例 词1、2、3不规则变化first第一;second第二;third第三数 字序数词变化规则例 词419基数词词尾加th一般:fourth第四;nineteenth第十九特殊:fifth第五;eighth第八;ninth第九;twelfth第十二20、3090y变为ie再加thtwenty twentieth第二十ninety n

5、inetieth第九十两位数或多位数(整十、百除外)只变个位数(hundred,thousand等只在词尾加th)twenty-third第二十三;one hundred and fifty-ninth第一百五十九;hundredth第一百【助记】基数词变序数词规律基变序,有规律,末尾加上-th。一、二、三特殊记,面目全非要注意。八加th,九去e,ve要用f替。逢十改y为ie,后跟-th莫忘记。若想表示几十几,只变个位就可以。【考点练】()(2020丹东中考)The words from Page 1 to Page 3 are very clear.But the ones on the _

6、page are not.A.firstB.twoC.threeD.fourth()(2020镇江中考)Peng Min finally became the winner of _season of CCTVs Chinese Poetry Conference.A.fiveB.fifthC.the fifthD.fifths()(2020吉林中考)On my _birthday,my aunt gave me a nice dress as a present.A.nineB.ninthC.the ninthD.tenDCB三、数词的应用名称表 达 法例 词年份日期月,日,年(日用序数,年

7、用基数)特别提示:年份的读法可先读前两位数,再读后两位数,读日时要加the1997年3月21日March the twenty-first,nineteen ninety-seven日,月,年(the+序数词+of+月,年)2007年3月21日the twenty-first of March,two thousand and seven年 代in+the+数词的复数形式在18世纪20年代in the 1720s/1720s读作:in the seventeen twenties名称表 达 法例 词时 刻时在前,分在后,按基数词读10:15 ten fifteen分在前,时在后“几点过几分”用

8、past,分钟数须小于半小时(包括半小时在内)7:05 five past seven7:15 fifteen past seven 7:30 half past seven“几点差几分”,用介词to,但分钟数须在半小时以内(不包括半小时在内)7:57 three to eight11:46 fourteen to twelve2:40 twenty to three几刻钟一刻钟:a quarter三刻钟:three quarters名称表 达 法例 词编号编号时,序号在后用基数词,序号在前用序数词Lesson Twelve=the twelfth lesson分 数记忆口诀:分子基,分母序,

9、分子大于1,分母加s特别提示:通常用a/one half表示。用a/one quarter表示 one third two thirds four fifths seven tenths 带分数:当分数前面带有整数时,要用连词and连接two and two thirds名称表 达 法例 词倍 数英语用twice表示两倍,两倍以上用基数词加times表示twice两倍three times三倍forty times四十倍【考点练】()(2020滨州中考)I like the number“9”best,because I think it stands for“long lasting”.Me

10、,too.So I choose _floor to live on.A.nineB.ninthC.the nineD.the ninthD()(2020新疆生产建设兵团模拟)Dad,_of the apples _gone bad.Well,wed better eat up the rest as soon as possible.A.two third;haveB.two thirds;have C.two thirds;hasD.two third;has B()(2020达州中考)Its said that the two_ doctors have just come back from Wuhan.Yeah.I know them.They are both already in their _.A.woman;sixtyB.women;sixtiethC.women;sixtiesD.woman;sixties()(2020恩施中考)Among all these books,_of them are for children to read.A three fifthB.three fifthsC.threes fifthD.threes fifthsCB