(共37张PPT)
专题四 数词
中考英语二轮复习语法梳理
目
录
1
知识梳理
2
考点精讲精练
3
最新中考真题演练
1
知识梳理
2
考点精讲精练
Challenge yourself
找出下面句子中的数词并标明是基数词或序数词。
1.Bill is fourteen years old,and he is in Class Two Grade Six. ( 基数)
2.My birthday is on the third of March. ( 序数词 )
3.September is the ninth month in a year. ( 序数词 )
4.Which boy is thinner,the first one or the second one ?( 序数词 )
5.There are fifty-five students in our class. ( 基数词 )
基数词
序数词
序数词
序数词
基数词
基数词
知识点1
基础题(写出下列数字的基数词)
1—9 11—19 整十(10—90) 几十几
one eleven ten /
two twelve twenty 22: twenty-two
three thirteen thirty 33:thirty-three
four fourteen forty 44: forty-four
two
twelve
twenty
twenty-two
three
thirteen
thirty
four
fourteen
forty
forty-four
1—9 11—19 整十(10—90) 几十几
five fifteen fifty 55: fifty-five
six sixteen sixty 66: sixty-six
seven seventeen seventy 77: seventy-seven
eight eighteen eighty 88: eighty-eight
nine nineteen ninety 99: ninety-nine
five
fifteen
fifty
fifty-five
six
sixteen
sixty
sixty-six
seven
seventeen
seventy
seventy-seven
eight
eighteen
eighty
eighty-eight
nine
nineteen
ninety
ninety-nine
易错题(用括号中所给词/提示的正确形式填空)
1. Millions (million) of people in the world are sending and receiving emails every day.
2.So far, thousands (thousand) of people have died of this kind of cancer.
3.There are more than six hundred (六百) students in our grade.
Millions
thousands
six hundred
1.基数词的定义:表示 人或事物数目的多少
2.基数词的构成
人或事物数目的多少
构成方式 温馨提示
①1—12:独立成词 逐个记忆
②13—19:都以 -teen 结尾 13,15与18拼写时注意中间字母有变化
③20—90的“整十”基数词:都以 -ty 结尾 40与50拼写时注意中间字母有变化
④两位数的表示: 整十数+个位数 中间需用 连字符“-” 连接
-teen
-ty
整十数+个位
数
连字符“-”
3.百、千等基数词的构成
构成方式 温馨提示
“整百”:1—9+hundred 表示“几百”时,hundred不能用 复数形式
“几百几十几”:1—9+hundred+and+“几十几” 整百数和整十数之间需要 and 连接
复数形式
and
构成方式 温馨提示
①“几千”:1—9+thousand ②“几万”:几十+thousand ③“几十万”;1—9+hundred thousand 表示“几千”时,thousand不能用 复数形式 ;
英语中没有“万;十万”这类单位,需要用 thousand 表示
复数形式
thousand
构成方式 温馨提示
①“几百万”:1—9+million ②“几千万”:几十+million ③“几亿”:1—9+hundred+million 英语中没有“千万;亿”这类单位,需要用 million 表示
①“十亿”:1—9+billion ②“几百亿”:几十+billion 表示“几十亿或几百亿”时,billion不能用 复数形式
million
复数形式
※当用hundred,thousand,million等词表示不确定的数目时,则需用 复数形式 ,并且通常后面接 of ,此时前面不能再加 数字 。
例如:成千上万的人 thousands of people
复数形式
of
数
字
thousands of people
序数词
知识点2
基础题(按顺序写出下列数字的序数词)
第一至第十 第十一至第二十 第二十一至第三十 第整十至第一百
first eleventh twenty-first /
second twelfth twenty-second /
third thirteenth twenty-third /
fourth fourteenth twenty-fourth fortieth
second
twelfth
twenty-second
third
thirteenth
twenty-third
fourth
fourteenth
twenty-fourth
fortieth
第一至第十 第十一至第二十 第二十一至第三十 第整十至第一百
fourth fourteenth twenty-fourth fortieth
fifth fifteenth twenty-fifth fiftieth
seventh seventeenth twenty-seventh seventieth
eighth eighteenth twenty-eighth eightieth
ninth nineteenth twenty-ninth ninetieth
tenth twentieth thirtieth hundredth
fifth
fifteenth
twenty-fifth
fiftieth
sixth
sixteenth
twenty-sixth
sixtieth
seventh
seventeenth
twenty-seventh
seventieth
eighth
eighteenth
twenty-eighth
eightieth
ninth
nineteenth
twenty-ninth
ninetieth
tenth
twentieth
thirtieth
hundredth
易错题
1.It is the first (one) time for me to the Great Wall.
2.This is my first (one) time to the Great Wall.
3.I usually visit the park twice (two) a month.
4.Our home is on the third (three) floor on the left.
5.A research shows that three fifths (five) of students like going hiking on weekends.
the first
first
twice
third
fifths
1.序数词的定义:序数词表示人或事物的先后顺序,往往与 定冠词the 连用。
2.序数词的构成
构成方式 温馨提示
①第一,第二,第三分别为 first,second,third 分别可缩写为 1st , 2nd , 3rd
定冠
词the
first,second,third
1st
2nd
3rd
构成方式 温馨提示
②第四至第十九,由其对应的基数词后面加-th构成 ①以-th结尾的序数词,通常缩写为“数字-th”,如sixteenth→ 16th
②基数词5、8、9、12变为第五、第八、第九和第十二时,拼写有变化
16th
构成方式 温馨提示
③第二十至第九十的“第整十”,由其对应的基数词改词尾字母 y 为 ie ,再加 -th 构成 例如:
twenty→ twentieth forty→ fortieth
④第二十一至第九十九,由 “ 整十基数词+连字符“-”+个位序数词 ”构成 表示几十的数词不变,只把表示几的基数词变成 序数词
y
ie
-th
twentieth
fortieth
整十
基数词+连字符“-”+个位序数
词
序数词
构成方式 温馨提示
⑤第一百以上的多位序数词由其对应的基数词改变 结尾部分 为 序数词 来构成 例如:
one hundred and twenty- first 第一百二十一
结尾部分
序数词
first
数词的用法
知识点3
基础题
Ⅰ.用括号中所给词的适当形式填空。
1. Thousands (thousand) of people come to Beijing every year.
2.My grandfather is in his seventies (seventy),but he looks much younger.
3.The students of the ninth (nine) grade are busy preparing for the final exams.
Thousands
seventies
the ninth
Ⅱ.根据汉语提示填空。
Li Hua is a boy of 1. fifteen (十五) years old.He is a student in 2. Class Two,Grade Nine (九年级二班) of 3. No.1 (第一) Middle School.Today is 4. March 1st (三月一日).It’s his 5. fifteenth (第十五) birthday.His parents have a birthday party for him at home,and Li Hua invites 6. one third (三分之一) of his classmates to come to his house to celebrate his birthday.Unluckily,the elevator(电梯) is out of service because of a power failure.What’s worse,Li Hua lives on 7. the fifth (第五) floor,so they have to walk upstairs.
fifteen
Class Two,Grade Nine
No.1
March 1st
fifteenth
one third
the fifth
易错题
1.Linda got two (two) birthday cakes on her fifteenth (fifteen) birthday.
2.There are sixteen floors (16层) in this apartment,and I live on the sixteenth floor (第16层).
3.About two thousand (thousand) visitors came to visit the place of interest.
two
fifteenth
sixteen floors
the
sixteenth floor
thousand
1.基数词的用法
用法 举例 温馨提示
1.表示数量的多少 ①six books 6本书 ②fifty-six students 56个学生 基数词通常用于可数名词前;如果基数词≧2时,其后的名词要用 复数形式
复数形式
用法0 举例 温馨提示
2.表示时刻,年份和年龄 ①It’s eight o’clock.(8:00) ②I was born in 2009 .(2009年) ③She is seven years old .(7岁) 2009可读作:two thousand and nine
3.表示编号 ①Class 1 ,Grade 9 九年级1班 ②Room 1302 1302房间 ③Lesson 9 第9课 基数词表示顺序时,由“单数名词+基数词”,名词的第一个字母通常大写
eight
in 2009
seven years old
1
9
1302
9
用法 举例 温馨提示
4.表示事物的形状、年代、长度、距离等 ① two metres deep 两米深 ②The old house has 100 years old . 这幢老宅有100年的历史。 基数词+(时间/距离/长度)单位名词+形容词
two metres deep
100 years
old
用法 举例 温馨提示
5.“几十”的复数形式表示年代或某人大约几十岁时 ① in the 1960s 在20世纪60年代 ② in his twenties 在他20几岁时 ①表示“几十年代”时,数词的复数形式前须加 定冠词the
②表示“某人几十岁时”数词的复数形式前须加 形容词性物主代词
6.表示数学运算 What is three and two ? 3加2等于几? 表示运算式子中的谓语动词用 单数形式
in
the
1960s
in
his
twenties
定冠词the
形容词性物主代词
is
单数形式
2.序数词的用法
用法 举例 温馨提示
1.表示顺序 ①My first name is Bob and my last name is White. 我的名字叫鲍勃,姓氏为怀特。 ②the tenth lesson 第十课 ①序数词前有形容词性物主代词时,不再用定冠词the
如:my first name
②序数词+单数名词=单数名词+基数词
如:the first lesson= Lesson One
Lesson One
用法 举例 温馨提示
2.表示日期 October 1(st) 10月1日 日期中的“日”用序数词或基数词都可以,October 1读作October the first
3.表示分数/倍数 ①one third 三分之一 ②five sixths 六分之五 ③five times 五倍 ①分子用 基数词 ,分母用 序数词
②分子大于1时,分母的序数词后须加 -s
③ twice 表示两倍,两倍以上用“ 基数词+times ”表示
基数词
序数
词
-s
twice
基数词+times
用法 举例 温馨提示
4.表示在已有数量的基础上再增加,意思为“再一,又一” ①Both of my bikes have broken down,so I want to buy a third one . 我的两辆自行车都坏了,我想再买一辆。 ②He has failed ninety-nine times,but he says he will try a hundred time . 他已经失败了99次了,但他说他要再试一次。 表示在已有数量基础上再增加“一”时,用 a/an+序数词+单数名词 来表示
a third one
a hundred time
a/an+序数词
+单数名词
3
最新真题演练
一、根据汉语或首字母提示写出适当的单词(组)。
1.(2023·黑龙江齐齐哈尔 )—This will be my f visit to the Sun Island. I’m really excited.
—Really I can’t believe it. You’ve been in Harbin for a year.
2.(2023·湖南郴州 ) Dongjiang Lake is a good place to have fun and
(数百) tourists go camping there in summer.
3.(2023·辽宁锦州 ) (五分之二) of the students in our class are going to the summer camp in Beijing next week.
4.(2023·福建龙岩 ) Bob is going to be an elder brother.His parents are planning to have their s child.
irst
hundreds of
Two fifths
econd
5.(2023·黑龙江哈尔滨) —Can you name one of the wonders in China
—Certainly! The Great Wall.It is 6,400 k long and it was built by hand.
6.(2023·黑龙江哈尔滨 )—Do you know July 1st of 2023 is the
(第一百零二) birthday of the CPC(中国共产党)
—Of course. Thanks to it, Chinese are pulling together to achieve the second centenary goal.
ilometers
one hundred and second
7.(2023·黑龙江龙东 ) Nowadays, (一些;许多) people like HUAWEI phones better, and about (五分之四) of them are adults.
8.Jim told them the problem. Many guests offered to help without thinking
(第二次).
9.About 100 m people used ChatGPT in the first two months.
10.The number of the fans going to this concert is about (三千). And (三分之二) of them are girls.
a number of
four fifths
twice
illion
three thousand
two thirds
二、根据语境填写适当的数词(组)。
1.(2023·甘肃天水 ) —What’s thirty and ten —It’s .
2.(2023·四川凉山州 ) My grandma told me the number “9” stands for “Long lasting”. So I chose the floor to live on.
3.(2023·福建龙岩二模 ) —Shall we go to see The Wandering EarthⅡ tonight
—I have seen it twice but I don’t mind seeing it a time.
forty
ninth
third
4.(2023·吉林长春三模 ) I failed the first jump in the competition and the coach let me have a try.
5.(2023·黑龙江绥化 )—How do you say “6:30” in English —
.
second
Half past six/six thirty