Module 1 Amazing things Unit 2 Numbers Grammar课件(共19张PPT)

(共19张PPT)
Grammar
Unit
2
Numbers
Cardinal
numbers
&
Ordinal
numbers
Warming-up：
If
you
can’t
fall
asleep,
what
will
you
do?
We
will
count
(数数）sheep,
such
as
one
sheep,
two
sheep,
three
sheep…
We
use
cardinal
numbers
to
_______
things.
count
“十几
”
teen
“几十”
ty
“几十几
”
ty-
…
“百位与十位数间用
“and”
连接
Read
the
cardinal
numbers
and
find
rules
Read
in
pairs
thousand
million
and
xxx,
xxx,
xxx,
xxx
thousand
million
billion
two
hundred
and
fifty-three
billion
four
hundred
and
twenty-three
million
three
hundred
thousand
and
one
How
to
read
large
numbers
2,534,233
25,342,330
two
million
five
hundred
and
thirty-four
thousand
two
hundred
and
thirty-three
twenty-five
million
three
hundred
and
forty-two
thousand
three
hundred
and
thirty
253,423,300,001
?
25,342
twenty-five
thousand
three
hundred
and
forty-two
1.
在某些短语中，
基数词要用复数形式。例如：
在某人20
多岁时
在80
年代
In
one’s
twenties
In
the
eighties/
80s
How
to
use
cardinal
numbers
to
show
times?
一倍
两倍
三倍
四倍
…
once
twice
three
times
four
times
…
Some
dinosaurs
were
as
big
as
ten
elephants.
=Some
dinosaurs
were
____
______bigger
than
an
elephant.
nine
times
2.
“hundred,
thousand,
million,
billion”前有基数词或several修饰，保持原形。但表不确切数目时，后要接“-s”和“of
”
1.
About
______
films
were
shown
during
the
15th
Shanghai
International
Film
Festival.
A.
two
hundred
of
B.
two
hundreds
of
C.
two
hundred
D.
two
hundreds
2.
______
films
were
shown
during
the
15th
Shanghai
International
Film
Festival,
I’m
not
sure.
A.
Two
hundred
of
B.
Two
hundreds
C.
Hundreds
of
D.
Hundred
of
Lin
Dan
won
___
____
prize.
Another
Chinese
won
____
_____
prize.
the
first
the
third
Ordinal
numbers
序数词
We
use
ordinal
numbers
to
show
the
_______
of
things.
order
-th
“第几十
”
ty—tieth
_____
_____
_____
_____
序数词的构成一般是在基数词的后面直接加“th”,
但也有例外.
Read
the
ordinal
numbers
and
find
rules
_____
口诀：
一、二、三要牢记
th要从四加起
ve要用f
替
八去t，九去e
y
要变成i
和e
最后th加上去
若遇几十几，只变个位就可以
基础词如何变序数词
first,
second,
third
fourth
five—fifth
twelve—twelfth
eighth,
ninth
twenty—
twentieth
twenty-first
first
2
third
fourth
twelfth
twenty
-third
twenty-eighth
19
Page
24
序数词前要加
the
,如果用
a,
则表示
“再一，又一”.
加拿大是世界上第二大国。
Canada
is
the
second
largest
country
in
the
world.
他们又有一个孩子---一个儿子。
They
had
a
second
child----
a
son.
Special
Rules:
编号的表示法：
“(the)
No.
+
基数词+名词”
表示
第16路公共汽车
No.
16
bus
18中学
No.
18
Middle
School
How
to
use
numbers
to
show
the
order
of
things?
Lesson
One
Lesson
Two
Lesson
Three
…
the
first
lesson
the
second
lesson
the
third
lesson
…
我住在202房。
I
live
in
__________
202
.
我住在二楼。
I
live
on
________________.
Room
the
second
floor
Class
6
Row
4
含数词的复合形容词的构成
“数词+名词(单)”
we’ll
have
a
nine-day
holiday.
我们将放9天假。
We
wrote
an
eight-hundred-word
composition.
我们写了一篇800字的文章。
“数词+名词(单)+形容词”
Mrs.
Beet
is
a
38-year-old
woman.
比特太太是个38岁的妇女。
A
ten-meter-long
bridge
will
be
built
here.
这里将修建一座10米长的桥。
1.
You
can
take
_____.
A.
a
six
bus
B.
a
No.
six
bus
C.
a
sixth
bus
D.
No.
a
bus
six
2.
Walt
Disney
was
famous
in
his
_____.
A.
twentieth
B.
twenty
C.
twenty’s
D.
twenties
3.
The
Chinese
have
____
National
Day
holiday.
A.
a
seven
days
B.
a
seven-day
C.
seven
days
D.
a
seven-days
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