Unit 1 Dream Homes Grammar 课件

(共42张PPT)
7B Unit1Dream Homes
Grammar
Neil
Stephen
Anna
8
15
7th
cardinal numbers
ordinal numbers
基数词
序数词
Cardinal numbers
No.8 Bus
9 o’clock
in 2023
10 yuan
3 years old
We use them almost every day.
We use them to talk about the numbers of people or things.
Cardinal numbers 基数词
We use cardinal numbers almost every day. We use them to talk about the numbers of people or things.
表示人或事物数量多少的词叫基数词, 如one, two, three…
Read the numbers
0
1
2
3
4
5
6
7
8
9
10
zero
one
two
three
four
five
six
seven
eight
nine
ten
11
12
13
14
15
16
17
18
19
20
30
40
50
60
70
80
90
twenty
thirty
forty
fifty
sixty
seventy
eighty
ninety
＋teen /'ti:n/
＋ty /ti/
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
99 ninety-nine
100 one hundred
–teen重音在 “teen”上
100
1,000
10,000
200,000
1,000,000
10,000,000
200,000,000
one hundred
one thousand
ten thousand
two hundred thousand
one million
ten million
two hundred million
[ h ndr d]
[ θa znd]
[ m lj n]
Read the numbers
Work out the rules
1
91
33
Rule1: 个位数和十位数之间加连字符“-”
2
(one hundred and one)
(four hundred and twenty-two)
Rule2: 读三位或三位以上的数词时, 要在十位前加 “and”；如果十位为0, 则在个位前加 “and”
(ninety-one)
(thirty-three)
101
422
Work out the rules
3
Rule3: 百位以上位数不因变复数而加s
4
Rule4: 从右往左每三位进行划分, 三位后thousand,六位后million
(six hundred and fifty-four)
(four thousand three hundred and eleven)
(nine million four hundred and twenty-five thousand two hundred and eighty-six)
9,425,286
thousand
million
654
4,311
9 3 0 5 4 0 0 6 0 7
,
,
,
billion
million
thousand
nine billion , three hundred and five million, four hundred thousand, six hundred and seven
hundred
Find out the rule!
Have a try
one million nine hundred and twenty-three thousand and eighteen
thirty-eight thousand and fifteen
five hundred and sixty-seven
three thousand two hundred and eighty
one hundred and twenty-three thousand four hundred and fifty-six
567
3,280
38,015
123,456
1,923,018
(How do we say the following numbers )
following (adj.) 下面的
follow (vt.) 跟随
e.g. follow me
We can read 50,801 ________ in English.
A. fifty thousands, eight hundreds and one
B. fifty thousand, eight hundred and one
C. fifty thousands, eight hundred and one
D. fifty thousand, eight hundreds and one
B
26.Red Square in Moscow is about 91,000 square metres in size. 莫斯科的红场在大小上大的9.1万平方米。
（1）square 形容词，意为“平方的；正方形的”。
The room is about 30 square metres. 这个房间大约30平方米。
拓展：square作名词，意为“正方形；广场”。
（2）metre 名词，意为“米，公尺”，复数为 metres。
The river is about 50 metres wide. 这条河大约有50米宽。
拓展：kilometre 作名词，意为“千米”，复数为kilometres。
（3）in size 介词短语，意为“在大小上”。
My pencil box is different from yours in size. 我的铅笔盒的大小和你的不一样。
1)1--12, 独立成词。
2)13--19, 以 teen结尾。
3)几十, 以-ty结尾。
4)几十几，十位与个位之间有 “－”。
5)百位后读的时候加and。
6)1, 000以上数目,从右向左每三位用“，”分开，分别读为thousand , million, billion。
Summary:
电话号码的读法
Miss Wang 8433,2901
Me 8432,1201
eight,four,three,three;two,nine,o,one
eight,four,three,two;one,two,o, one
you …
double three
年份的读法
1 9 7 8年
读作: nineteen seventy-eight
1 8 9 7年
读作：eighteen ninety-seven
2005年
读作：two thousand and five
或: twenty o five
2015年
读作： two thousand and fifteen
或 ： twenty fifteen
,
Learn about different countries
People from about 180 countries and areas live in New York.
地区 in poor areas
one hundred and eighty
Learn about different countries
The CN Tower is over 1,815 feet tall.
1 foot≈ 0.3 metre
be + 数字+表单位的词+形容词（长、宽、高、深等） 表示……长/宽/高/深等
She is 11 years old.
The building is 21 metres tall/high.
The table is 2 metres long.
one thousand eight hundred and fifteen
square adj. 平方的, 方形的 n. 广场
Red Square in Moscow is about 91,000 square metres in size.
in size 在（大小、尺寸、面积……）上
e.g. 我们学校占地面积是15607平方米。
Our school is 15607 square metres in size.
Learn about different countries
ninety-one thousand
have an area of …… 有……面积
France has an area of over 260,000 square miles.
e.g. 我们学校占地面积是15607平方米。
Our school has an area of 15607 square metres.
Our school is 15607 square metres in size.
Learn about different countries
two hundred and sixty thousand
Learn about different countries
There are about 8,000,000 people living in London.
There be sb doing sth.
如：There is a bird singing in the tree.
eight million
Learn about different countries
Tokyo, the capital of Japan,
has over 13,000,000 people.
over prep. 超过= more than
thirteen million
26.Red Square in Moscow is about 91,000 square metres in size. 莫斯科的红场在大小上大的9.1万平方米。
（1）square 形容词，意为“平方的；正方形的”。
The room is about 30 square metres. 这个房间大约30平方米。
拓展：square作名词，意为“正方形；广场”。
（2）metre 名词，意为“米，公尺”，复数为 metres。
The river is about 50 metres wide. 这条河大约有50米宽。
拓展：kilometre 作名词，意为“千米”，复数为kilometres。
（3）in size 介词短语，意为“在大小上”。
My pencil box is different from yours in size. 我的铅笔盒的大小和你的不一样。
hundred, thousand, million, billion的用法
1.当有具体数字时，不能加 “s”和 “of”
2.当表示泛指数量时用以下形式:
如：200: two hundred
hundreds of …
thousands of …
millions of …
billions of …
eg. There are about________ books in our library.
A. thousands of B. six thousands
C. six thousand D. six thousand of
Ordinal numbers 序数词
We can use ordinal numbers to order things and events. We use them to talk about dates, floors, positions, etc.
表示人或事物顺序的数词叫序数词, 如first, second,
Women’s Day is on the eighth of March.
Our flat is on the seventh floor.
He is always the first to come to school in our class.
How do you write it
Work out the rules
0 zero 7 seventh
1 first 8 eighth
2 second 9 nineth
3 third 10 tenth
4 fourth 11 eleventh
5 fifth 12 twelvefth
6 sixth
Rule1: 通常加 th /θ/, 个别数字特殊记忆
20 twenty 60
30 thirty 70
40 80
50 90
Work out the rules
fortieth
fiftieth
sixtieth
seventieth
eightieth
ninetieth
ieth
ieth
Rule2: 整十位变 y 为 ie 加 th
Work out the rules
21 twenty-first 53
32 thirty-second 79
33 thirty-third 48
96 ninety-sixth 100
fifty-third
seventy-ninth
forty-eighth
one hundredth
Rule3: 如果是几十几,只需变个位
26.Red Square in Moscow is about 91,000 square metres in size. 莫斯科的红场在大小上大的9.1万平方米。
（1）square 形容词，意为“平方的；正方形的”。
The room is about 30 square metres. 这个房间大约30平方米。
拓展：square作名词，意为“正方形；广场”。
（2）metre 名词，意为“米，公尺”，复数为 metres。
The river is about 50 metres wide. 这条河大约有50米宽。
拓展：kilometre 作名词，意为“千米”，复数为kilometres。
（3）in size 介词短语，意为“在大小上”。
My pencil box is different from yours in size. 我的铅笔盒的大小和你的不一样。
基变序，有规律，结尾字母th
一二三，特殊记，结尾字母t, d, d: first, second, third
八去t，九去e, eighth, ninth,
f 要把ve替: five —fifth， twelfth
y要变为ie， twenty—twentieth
如果遇到几十几，只变个位就可以:twenty-first
基数词变序数词的规律
9的家族只有第九ninth没有e 9变第九
4的家族只有四十forty和第四十fortieth没有u 4变四十
There are_____ students in the picture.
________ student's name is Daniel. (4)
four
The fourth
Work out the rules
Rule4: 通常情况下序数词前面加 the
Have a try
CCTV headquaters has got__________ floors. Jim’s office is on the____________ floor. (52)
fifty-two
fifty-second
Lucy’s birthday is on the __________ (30) of September. It is her __________(40) birthday.
She will be _____ (40) years old then.
thirtieth
fortieth
Have a try
forty
Father’s day is on the ________ (3) Sunday of June, and this year it’s on the ___________ (21) of June. I love my dad ________________ (3000) times.
third
twenty-first
three thousand
Have a try
序数词用法
1. 表日期：the fifth of June (=June the fifth) 6月5日
2. 表顺序或编号： the second lesson (=Lesson Two)
the first to come to school
my twelfth birthday/ his ninetieth birthday
二十世纪 in the twentieth century
得了第一名 get the first prize/place
语 法 小 结
3. 序数词常与the连用(基数词无)，但以下情况不用the：
(1) 作副词, 如：
He often comes first in the race.
You must finish your homework first.
(2) 前面有限定词时，不可再用the。
It’s my first time to watch the lion dance.
(3) 序数词前面有时可加不定冠词来表示 “再一”、“又一”
May I have a third try
4. 分数：
3
5
分子用基数词
分母用序数词
分子大于1时
分母加s
three fifths
1/3___________
3/8_______________
one third
three eighths
4/9___________ 3/4 ________________________________
four ninths
three fourths
three quarters
ten
three
six
seven
eight
two
twelve
thirteen
twenty
forty
one hundred
one hundred and one
Exercises: P.12
sixth
seventh
eighth
tenth
nineteenth
twenty-second
twenty-third
thirtieth
one hundredth
Exercises: P.12
Language points
above 在…上面
below 在…下面
e.g. Mary lives two floors above Peter.
She lives three floors below Elsa.
Today is the_______(6)of March. Because of the Corona virus, this is the______________ (50)day that I stay at home. My flat is on the_________(7)floor and I seldom went downstairs in the past days. This is the_______(5)English lesson I have on TV. It’s my______(1)time to have lessons in this way. The lesson can be watched a________(2)time on the Internet.__________(1/4)of the book will be taught in this month. I must finish my homework______(1)after this lesson.
sixth
fiftieth
seventh
fifth
first
second
One fourth
first
Have a try
03
3. Exercises
B
A
A
C
( )1. Football is so exciting that ___people like to play it.
A. million of B. millions of C. two millions of
( ) 2. There are __days in a week. and Sunday is the ____ day .
A. seven, first B. seven , one C. seventh, first
( ) 3. -Excuse me, which is the way to the park
-Sorry, I don’t know. This is my _____time here.
A. first B. second C. third
( ) 4. Father’s Day is on the ____Sunday in June.
A. first B. second C. third
单项选择
( )5.—David, how old is your father this year
—________. And we will have a special party for his ______ birthday next weekend.
A. Fortieth; forty B. Forty; forty
C. Forty; fortieth D. Fortieth; fortieth
( ) 6. Now, please turn to Page_____ and look at the_______ picture.
A．Fifth；five B．Five；fifth
C．Fifth；fifth D．Five；five
C
B
He gets the (one) in the English test this time.
2. Tom will come on the (twelve) of this month.
3. There are days in a week. Saturday is the day (seven).
4. This is my (three) time ________ (come) to Nanjing.
5. Mr. Green has children. Tom is the child. (nine)
6. He is the (twenty-one) League Member in our class.
first
twelfth
seven
seventh
third
to come
nine
ninth
twenty-first
词汇
7.What is the _______(面积) of Red Square
8.There are 13 ________(百万)people in that city.
9.The CN tower is over 1800________(英尺)tall.
10.Father’s _________(40) birthday is coming.
11.There are__________ of workers in our country. (million)
12.The____________ lesson is very difficult. (twenty)
area
million
feet
fortieth
millions
twentieth
THANKS