2023届高三英语二轮语法总复习专题2 数词课件（26张PPT）

(共26张PPT)
2023年高考英语专题复习系列（二）
数词（Numeral）
2022年新课标要求我们需要掌握以下有关数词的知识点：
1.基数词；
2.序数词。
在近几年高考试题中，有关数词的题目基本上没有出现，因此我们只需要了解即可。
一、什么是数词？
1.含义：数词是用来人和事物的数目或先后顺序的词。
二、数词的分类
序数词
基数词
数词主要有两种，它们分别是：
三、基数词
1.含义：表示____________的词称为基数词。
2.常用基数词表：
（1）1-10
1____________ 2____________ 3____________ 4____________
5____________ 6____________ 7____________ 8____________
9____________ 10____________
数量
one
two
three
four
five
six
seven
eight
nine
ten
（2）11-20
11____________ 12____________ 13____________ 14____________
15____________ 16____________ 17____________ 18____________
19____________ 20____________
eleven
twelve
thirteen
fourteen
fifteen
eighteen
sixteen
seventeen
nineteen
twenty
（3）整十以及数量单位
30____________ 40____________ 50____________ 60____________
70____________ 80____________ 90____________
百____________ 千____________ 百万____________ 十亿____________
[注意]
①十位数和个位数之间需要加连字符“-”；
31____________ 68____________
thirty
forty
fifty
sixty
ninety
eighty
seventy
hundred
thousand
million
billion
thirty-one
sixty-eight
②百位数和十位数之间，在英式英语中要用and，美式英语中一般不用。
254____________________________________
588____________________________________
③千位数以上的数字，从右往左数，每三位数分为一段，并分段念。
4,356____________________________________
90,848____________________________________
2,023,168____________________________________
3.使用基数词的几点注意事项：
（1）one and a half后的名词用____________，谓语动词一般用____________，不过事实上也可用____________。
two hundred and fifty-four
fifty hundred and eighty-eight
four thousand three hundred and fifty-six
ninty thousand eight hundred and forty-eight
two million twenty-three thousand one hundred and sixty-eight
复数形式
复数形式
单数形式
我们班一半的同学是女生。____________________________________
（2）①当hundred, thousand, million, billion前面有____________时，用____________形式，词尾不加____________；前面有many, several, a few修饰时，仍用____________形式。
几千年____________________________________
②表示概数时，用ten, hundred, thousand, billion的____________加of，后面接____________。
成百上千的湖和树____________________________________
（3）表示某人的大约年龄，即“几十多岁”时，使用基数词的____________。“____________________________________”意为“在某人几十多岁时”。
One and a half of students is/are girl in my class.
数字
单数
-s
单数
several thousand year
复数形式
复数名词
hundreds of lakes and trees
复数形式
in one’s+基数词的复数形式
在他40多岁时____________________________________
（4）表示世纪年代
表示“在……世纪……年代”时在数字后加____________或____________。
在21世纪20年代____________________________________
in his forties
-’s
-s
in the 2020s/in the 2020’s
1.含义：表示____________的词称为序数词。
2.常用序数词表
四、序数词
数字 变化规律 例子
第1-第3 特殊变化 第1____________
第2____________
第3____________
第4-第19 大多在对应的基数词后面加____________ 第4____________
第10____________
第19____________
顺序
first
second
third
-th
fourth
tenth
nineteenth
第20-第90 以-ty结尾的基数词将______改______再加_________ 第20____________
第50____________
第70____________
表示“几百”、“几千”、“几万”、“几百万”的序数词 由基数词加hundredth、thousandth、millionth构成 100th____________
1,000th____________
1,000,000th___________
[注意]
①在第4-第19中，有一些不规则变化的序数词，它们分别是第5____________、第8____________、第9____________、第12____________；
y
ie
-th
twentieth
fiftieth
ninetieth
（one） hundredth
（one）thousandth
（one）millionth
fifth
eighth
ninth
twelfth
[口诀]
基变序，容易记，加上th就可以；
一二三，特殊记，词尾字母tdd；
八减t，九减e，f来把ve替；
若是遇到整十数，ty变作tie;
若是遇到几十几，只变个位就可以。
②两位数的基数词变序数词，十位数不变，个位数用相关的序数词，然后用连字符“-”进行连接；
25th____________ 68th____________
③三位数的基数词变为序数词，只把最后两位变为序数词。
第103____________________________________
第125____________________________________
3.序数词前冠词的使用：
（1）序数词前一般要加定冠词_____________。
昨天是一月的第一天。____________________________________
twenty-fifth
sixty-eighth
one hundred and third
one hundred and twenty-fifth
the
Yesterday was the first day in January.
（2）序数词前有时可用不定冠词_____________，此时不强调顺序。“a/an＋序数词”相当于_____________，表示“又一个，再一个”。
你最好再试一次。____________________________________
（3）序数词用作________时，不用冠词。
你首次见他是什么时候？____________________________________
（4）序数词之前已有____________________________________修饰时，不再用定冠词。
我不会忘记这是我的第18个生日。____________________________________
（5）序数词用在由“序数词＋名词”构成的____________中时，不用定冠词。
那里有一家一流的宾馆。____________________________________
a/an
another
You would better try a second time.
副词
When did you first meet him？
物主代词、指示代词或名词所有格
I never forget this is my eighteenth birthday.
形容词
Here is a first-class hotel.
1.分数的表达法：分子是____________，分母是____________，如果分子大于1，分母必须用____________。
____________ ____________
2.小数的表达法：从左往右读，依次按照____________的读法读出，小数点读point.
0.68____________ 4.86____________
五、数词的其他用法
基数词
序数词
复数形式
three-fifths
one-third
基数词
zero point six eight
four point eight six
【注意】分子与分母之间要用连接符-连接。
一、用括号内的数词的适当形式填空：
1.We all know Children's Day is on June____________（one）.
2.I live on the____________（five）floor of the big building.
3.Tom is class____________（third）, grade____________（ninth）.
4.There will be held the____________（eleven）Art Festival.
5.In my opinion, ____________（thousand）of wild animals will be dangerous.
6.In his____________（thirty）, he win the first prize in the competition.
7.Two____________（five）of students join in the school music club.
8.This is a well-known____________（two）-hand bookstore.
（the）first
fifth
three
nine
eleventh
thousands
thirty
second
-fifths
二、单句语法改错：
1.（2019年全国卷Ⅱ）Then, when I was in the five grade, I wanted to be a teacher. Because I liked my English teacher very much.
2.（2017年全国卷Ⅱ）In the summer holiday following my eighteen birthday, I took driving lesson.
3.（2015年浙江卷）My old classroom was interesting because three sides of the classroom were made from glass.
fifth
eighteenth
classrooms
4.It is not rare in the 1980s that people in their sixty are going to university for further education.
5.He falled once. Then he tried a two time.
6.Today is January the three, and it is also my lucky day.
sixties
second
third
阅读题：（2022年新高考Ⅰ卷A篇阅读）
如何做阅读题？
Step 1：先读题，然后画出关键词（专有名词、动词...）；
Step 2：根据关键词在原文中定位，确定关键句（答案句）；
Step 3：把关键句（答案句）与选项作对比，选出最相似的一项，即为正确的答案。
1. Where is this text probably taken from
A. A textbook. B. An exam paper.
C. A course plan. D. An academic article.
2. How many parts is a student’s final grade made up of
A. Two. B. Three. C. Four. D. Five.
3. What will happen if you submit an essay one week after the due date
A. You will receive a zero.
B. You will lose a letter grade.
C. You will be given a test.
D. You will have to rewrite it.
√
√
√
（2022年新高考Ⅰ卷A篇阅读）
（2022年新高考Ⅰ卷A篇阅读）
Grading Policies for Introduction to Literature
Grading Scale
90-100, A; 80-89, B; 70-79, C; 60-69, D; Below 60, E.
Essays (60%)
Your four major essays will combine to form the main part of the grade for this course: Essay 1 = 10%; Essay 2-15%; Essay 3= 15%; Essay 4 = 20%.
Group Assignments (30%)
Students will work in groups to complete four assignments (作业) during the course. All the assignments will be submitted by the assigned date through
（2022年新高考Ⅰ卷A篇阅读）
Grading Policies for Introduction to Literature
Grading Scale
90-100, A; 80-89, B; 70-79, C; 60-69, D; Below 60, E.
Essays (60%)
Your four major essays will combine to form the main part of the grade for this course: Essay 1 = 10%; Essay 2-15%; Essay 3= 15%; Essay 4 = 20%.
Group Assignments (30%)
Students will work in groups to complete four assignments (作业) during the course. All the assignments will be submitted by the assigned date through
Blackboard, our online learning and course management system.
Daily Work/In-Class Writings and Test/Group Work/Homework (10%)
Class activities will vary from day to day, but students must be ready to complete short in-class writings or tests drawn directly from assigned readings or notes from the previous class’lecture/discussion, so it is important to take careful notes during class. Additionally, from time to time I will assign group work to be completed in class or short assignments to be completed at home, both of which will be graded.
Late Work
An essay not submitted in class on the due date will lose a letter grade for each class period it is late. If it is not turned in by the 4th day after the due date, it will earn a zero. Daily assignments not completed during class will get a zero. Short writings missed as a result of an excused absence will be accepted.
Thanks for your listening