中考英语专题复习课件_——数词(共167张_ppt)(38页)精品课件PPT模板教学说课公开优质教研课

hundred 表示
基数词+ thousand 具体
million 数字
8
当hundred, thousand等数词与of 连用, 表示不具体、不准确的数目 时, 词尾须加-s。如: thousands
of students, millions of trees.
hundreds thousands millions
序数词
11th = eleventh 12th = twelfth 13th = thirteenth 14th =fourteenth 15th = fifteenth 16th =sixteenth 17th = seventeenth 18th =eighteenth 19th =nineteenth 20th = twentieth 21st = twenty-first 22nd = twenty-second
one student, one of the students 11
a few后常接 hundred; many后常接hundreds of; several后常接hundred或 hundreds of。
a few hundred men几百人 many hundreds of men几百人
12
nine ninth 9th nineteen nineteenth 19th
ten tenth 10th twenty
twentieth 20th
基变序,有规律,词尾加上th。123,特殊记,词尾字母t,d,d。 8去t,9去e,f来把ve替。
16
基数词
序数词
twenty-one twenty-two twenty-three thirty forty fifty sixty seventy eighty ninety hundred
twenty-first twenty-second twenty-third thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth hundredth
整十y 变i， th前有小e来
21st 22nd 23rd 30th 40th 50th 60th 70th 80th 90th 100th
+of
表示 概数
9
Thousands and thousands of people have visited the city.
10
若表示某一个数是某些特指人或东 西中的一部分, hundred等后面可跟 of。
two hundred of the students 这些学生其中的二百个
比较: two hundred students 二百个学生
five fifth
5th fifteen
fifteenth 15th
six sixth
6th sixteen
sixteenth 16th
seven seventh 7th seventeen seventeenth 17th
eight eighth 8th eighteen eighteenth 18th
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基数词 序数词
基数词
序数词
one first
1st eleven
eleventh 11th
two second 2nd twelve
twelfth
12th
three third
3rd thirteen
thirteenth 13th
four fourth 4th fourteen fourteenth 14th
5
万以上的数字读法特点
6, 500, 431, 729
billionmillion thousand hundred
注意每三个数为一个单位，按照百、 十、个向下读。
6
6，500，431，729
billion
million
six billion,
thousand hundred
five hundred million,
four hundred and thirty-one thousand,
seven hundred and twenty-nine
7
表示具体、准确的数目时, hundred, thousand, million等词 后不能加-s,如: five hundred, six thousand, seven million 等。
14
11 = eleven 12 = twelve 13 = thirteen 14 = fourteen 15 = fifteen 16 = sixteen 17 = seventeen 18 = eighteen 19 = nineteen 20 = twenty 21 = twenty-one 22 = twenty-two
13
1 = one 2 = two 3 = three 4 = four 5 = five 6 = six 7 = seven 8 = eight 9 = nine 1 = second 3rd = third 4th = fourth 5th = fifth 6th = sixth 7th = seventh 8th = eighth 9th = ninth 10th = tenth
17
注: 序数词前通常要加定冠词 the。
The Second World War broke out in 1939. 注: 序数词前出现不定冠词a或an时, 则表示“再—”, “又—”。(=another)
4
(3)20-90的整十数词均以后缀-ty结 尾。
20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety
表示“几十几”时, 个位和十位之 间需加连词符, 如: twenty-one, thirty-two, forty-three.
中考英语总复习
1
数词---就是表示事物的数量 和顺序的词,分为基数词和序 数词两种。
数 基数词 表示事物的数量 词 序数词 表示事物的顺序
2
3
基数词
0 zero 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve