Unit 8 Have you read Treasure Island yet? Section A Grammar Focus课件（共59张PPT）

(共59张PPT)
Unit
7
What’s
the
highest
mountain
in
the
world?
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Grammar
Focus
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What's
the
highest
mountain
in
the
world?
Qomolangma.
How
high
is
Qomolangma?
It's
8,844.43
meters
high.
It's
higher
than
any
other
mountain.
Which
is
the
deepest
salt
lake
in
the
world?
The
Caspian
Sea
is
the
deepest
of
all
the
salt
lakes.
Did
you
know
that
China
is
one
of
the
oldest
countries
in
the
world?
Yes,
I
did.
It's
much
older
than
the
US.
4a.
Fill
in
the
blanks
with
the
correct
forms
of
the
words
in
the
box.
1.
The
Amazon
River
is
one
of
the
_________
rivers
in
the
world.
It’s
a
little
________
than
the
Yangtze
River.
2.
Qomolangma
is
8,844.43
meters_______.
big
much
popular
long
old
high
longest
longer
high
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It’s
one
of
the
most
__________
places
for
serious
mountain
climbers.
3.
No
ocean
in
the
world
is
as
________
as
the
Pacific
Ocean.
4.
Although
Japan
is
__________
than
Canada,
it
is
_________smaller.
popular
big
older
much
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e.g.
Two
rivers：_________________
and
_________________
____________________________________________________
___________________________________________________________________________
4b.
Write
two
comparisons
about
two
topics.
Write
true
facts.
the
Yangtze
River
the
Amazon
River
The
Yangtze
River
is
almost
as
long
as
the
Amazon
River.
The
Amazon
is
longer
than
the
Yangtze,
but
the
Yangtze
is
the
longest
river
in
China.
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Two
cities：__________
and
__________
1.______________________________________
2.______________________________________
_____________________________________
Two
animals：__________
and
__________
1.______________________________________
2.______________________________________
_____________________________________
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Two
cities:
_________
and
___________
1.
__________________________________________.
2.___________________________________________
____________________________________
.
Shanghai
Sydney
Shanghai
is
as
modern
as
Sydney
Shanghai
is
much
smaller
than
Sydney.
Sydney
is
almost
2
times
as
big
as
Shanghai
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Two
animals:
_____________
and
_________
1.
_______________________________.
2.
___________________________________________
_______________________________
.
a
fish
A
shark
is
bigger
than
a
fish.
A
fish
is
smaller
than
a
shark.
A
shark
eats
more
than
a
fish.
a
shark
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4c.
Write
five
questions
using
comparisons.
Then
ask
your
partner
your
questions.
____________________________________
____________________________________
____________________________________
____________________________________
____________________________________
What
is
the
highest
building
in
our
city?
Who
is
the
oldest
people
in
our
city?
What
is
the
most
popular
street
in
our
city?
What
is
the
most
delicious
food
in
our
city?
Where
is
the
busiest
road
in
our
city?
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Grammar
Focus
(一)数词
Numeral
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数词是用来表示事物的数目和顺序的词。
数词的分类：
1.基数词
2.序数词
3.分数词
今天我们先来学习一下基数词。
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1.
复习1—100以内的所有数字。
2.
掌握百、千、万、十万、百万的表达法。
1、1-19的基数词
one
1
two
2
three
3
four
4
five
5
six
6
seven
7
eight
8
nine
9
ten
10
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eleven
11
twelve
12
thirteen
13
fourteen
14
fifteen
15
sixteen
16
seventeen
17
eighteen
18
nineteen
19
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2、20—90等十位数
twenty
20
thirty
30
forty
40
fifty
50
sixty
60
seventy
70
eighty
80
ninety
90
twenty-one
21
twenty-two
22
………………
其它的十位数照此类推，如：
thirty-one
31
forty-two
42
seventy-five
75
ninety-six
96
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3、百、千、万
百
hundred
100
one
hundred
200
two
hundred
以此类推····
千
thousand
1
000
one
thousand
2
000
two
thousand·········
英语里没有“万”这一单位，万也用thousand表示。如：10
000
ten
thousand
一万20
000
twenty
thousand
两万·····
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4、十万、百万
十万的说法是：
100.000
a
(one)
hundred
thousand
200.000
two
hundred
thousand
million
百万
a
(one)
million
1,000,000
two
million
2,000,000
········以此类推
······
8,000,000
eight
million
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练一练
345
1001
18,657,421
three
hundred
and
forty-five
one
thousand
(and)
one
eighteen
million,
six
hundred
and
fifty-seven
thousand,
four
hundred
and
twenty-one
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The
project
lasted
5
years
and
cost
2
billion
dollars.
2.
The
Chinese
have
been
making
paper
for
two
thousand
years.
3.
One
thousand
pounds
is
a
lot
of
money.
表示确定数量时
用基数词+
hundred，thousand，million，billion
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多位基数词读法
457
890
608
389
three
hundred
and
eighty-nine
four
hundred
and
fifty-seven
eight
hundred
and
ninety
six
hundred
and
eight
1）101~999的三位数由“百位数＋and+两位数组成”。
如：325—three
hundred
and
twenty-five
102
one
hundred
and
two
635
six
hundred
and
thirty-five
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2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand,
第二个逗号代表million,
第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如：
2,648
two
thousand,
six
hundred
and
forty-eight
16,250,064
sixteen
million,
two
hundred
and
fifty
thousand,
sixty-four
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确切数目与不确切数目的表达：
hundred,
thousand,
million,
billion等前面有
基数词，表示确切数目时，用单数，后直接
接复数名词；如：
three
hundred
books
one
hundred
people
five
thousand
students
seven
million
starts
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表示不确切数目时，这类词后加-s且与of连
用。如：
hundreds
of
people
thousands
of
students
millions
of
birds
billions
of
lions
注意：这类短语中，名词前如有定冠词、指
示代词或形容词性物主代词时，可加of,
但
表示的是范围。如：two
hundred
of
the
workers工人中的二百（人）
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Grammar
Focus
(二)形容词的比较级和最高级
comparatives
and
superlatives
with
adj.
and
adv.
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short
-
shorter
small
-
smaller
nice
nicer
safe
safer
-
-
-
-
-
-
big
thin
heavy
heavier
happy
happier
big
bigger
thin
thinner
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delicious
–
more
delicious
interesting
–
more
interesting
important—
more
important
carefully---more
carefully
quickly---more
quickly
slowly---more
slowly
easily---
more
easily
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大多数形容词和副词有三个等级：
原级、比较级、最高级。
一、形容词比较级的构成
1.构成的不规则变化:
2.构成的规则变化:
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1.
构成的不规则变化:
e.g.
good
/
well
–
better
–
best
bad
/
badly
–
worse
–
worst
many
/
much
–
more
–
most
little
–
less
–
least
far
–
farther
/
further
–
farthest/
furthest
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2.
构成的规则变化:
1)
单音节词和少数双音节词一般在词尾
后加-er
构成比较级
或-est构成最高级.
如：
原级
比较级
最高级
cold
–——
colder
–——
coldest
bright———
brighter———brightest
young——
younger——
youngest
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2)
以字母
e
结尾的词只加
–r
或-st
构成
比较级和最高级。
原级
比较级
最高级
nice
———
nicer
–———
nicest
fine———
finer————
finest
large
——
larger
————
largest
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3)
重读闭音节词末尾只有一个辅音字母
时,
先双写这个辅音字母,
再加-er或-est。
如:
big
–
bigger
–
biggest
thin
–
thinner
–
thinnest
4)
以“辅音字母+
y”结尾的双音节词，
先改y为i,
再加-er或-est。如：
easy
–
easier
–
easiest
happy
–
happier
–
happiest
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5)
多音节词和部分双音节词在词前加more
或most。如：
delicious
–
more
delicious
–
most
delicious
interesting
–
more
interesting
–
most
interesting
important—more
important
—most
important
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carefully---more
carefully--most
carefully
quickly---more
quickly
---most
quickly
slowly---more
slowly
---most
slowly
easily---
more
easily
---most
easily
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形容词最高级的构成
tall
taller
tallest
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B:
heavy
easy
tidy
dry
busy
happy
healthy
hungry
early
y
--
i--
est
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C:
large
late
nice
--
st
biggest
D:
big
hot
hottest
thin
“双写”
thinnest
wet
wettest
fat
fattest
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Adjective
delicious
dangerous
interesting
popular
beautiful
careful
friendly
the
most
--
adj
.
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Adjective
better
best
far
little
worse
worst
more
most
farther
farthest
less
least
good
well
bad
badly
many
much
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1.
good
2.
comfortable
3.
big
4.
happy
5.
cheap
6.
many
7.
difficult
8.
little
better
best
more
comfortable
most
comfortable
bigger
biggest
happier
happiest
cheaper
cheapest
more
most
more
difficult
most
difficult
less
least
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用法：英语中三者或三者以上相比较，表示
“最……”
这样的最高程度概念时，要用
“the+最高级”
的结构表示。这种句式一般带有表示比较的介词短语，比如:
in
our
class,
of
the
three
等。
例如：Wang
Lin
is
the
tallest
in
our
class.
This
theater
is
the
cheapest
of
the
three.
注意使用最高级时应注意以下几点：
形容词的最高级
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(1)
表示
“最……之一”
的句式，要用
one
of
the
+形容词最高级+复数名词。
例如:
Jingjiang
Hotel
is
one
of
the
biggest
hotels
in
our
city.
Lisa
is
not
one
of
my
best
friends.
(2)
当最高级前面有物主代词或名词所有格时，
不加定冠词
the。
例如：Tom
is
Lucy’s
best
friend.
Tuesday
is
her
busiest
day.
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(3)
最高级前可加序数词。
例如：The
Yellow
River
is
the
second
longest
river
in
China.
(4)
形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往省略。
例如：He
is
the
laziest
(student)
in
our
class.
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2.
形容词比较级和最高级的构成
规则变化
一般情况下，单音节或双音节的形容词比较级直接加-er,
最高级直接加-est。如：
clever—cleverer—cleverest
cheap—cheaper—cheapest
few—fewer—fewest
small—smaller—smallest
young—younger—youngest
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b.
以-e
结尾的形容词，比较级+
-r,最高级+
-st。如：
large—larger—largest
nice—nicer—nicest
cute—cuter—cutest
c.
以辅音字母+y结尾的形容词，变y为i
+er或+est。
busy—busier—busiest
heavy—heavier—heaviest
easy—easier—easiest
happy—happier—happiest
dirty—dirtier—dirtiest
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d.
以重读闭音节结尾，末尾只有一个辅音字母结
尾的词，双写最后一个辅音字母，再加+er或
+est。
如：
big—bigger—biggest
thin—thinner—thinnest
fat—fatter—fattest
hot—hotter—hottest
e.
多音节和部分双音节形容词，需在原级前+more
构成比较级，+
most
构成最高级。如：
important—more
important—most
important
beautiful—more
beautiful–
most
beautiful
difficult—more
difficult—most
difficult
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3.
不规则变化：
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原级
比较级
最高级
good
/well
better
best
bad
/ill
worse
worst
little
less
least
many
/much
more
most
far
farther
/further
farthest
/furthest
old
older
/elder
oldest
/eldest
最高级规则变化口诀：
最高级，很容易，一般词尾加est。
(cheap-the
cheapest)
词尾若有哑音e,
直接就加st。
(close-the
closest)
重读闭音节,
单辅音字母要双写。
(big-the
biggest)
辅音字母加y,
记得把y变为i。
(friendly-the
friendliest)
多音节，考考你，the
most到底加哪里？
(popular-the
most
popular)
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1.We
are
going
to
the
Green
Restaurant
for
lunch.
(就划线部分提问)
____________
you
going
for
lunch?
2.
Sam
is
the
shortest
in
his
class.
(改为同义句)
Sam
is
________
than
____
_____
student
in
his
class.
Sam
is
_______
than
_____
_____
students
in
his
class.
Sam
is
_______
than________
______
in
his
class.
3.
How
do
you
like
Screen
City?
(改为同义句)
_______
do
you
__________
Screen
City?
Where
are
shorter
any
other
What
think
of
shorter
the
other
anyone
else
shorter
练习：改写句子
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The
Comparative
Superlative
Degrees
of
Adjectives
&
Adverbs
总
结
形容词和副词
比较级和最高级
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late
later
-
latest
early
earlier
–
earliest
big
bigger-
biggest
fluently/difficult
more～,
most～
重读闭音节、末尾只有一个
辅音字母双写加
–er
或
–est
单音节词在词尾比较级加-
er或最高级加-
est
以e结尾的词，只需加－r
或－st
以辅音字母加
y
结尾双音节词变
y
为
i
加
–er
或
–est
部分双音节和多音节词在原级前加
more
或
most
少数以er,ow
结尾的双音节词加-er
-est
tall
taller-
tallest
clever
cleverer-cleverest
cheap,
cold,
small,
warm,
young,
high
fine,
nice,
safe
happy,
busy,
dirty,
easy,
lazy,
pretty
fat,
hot,
red,
thin,
wet,
sad
narrow,
yellow
quickly,
slowly,
useful,
careful,
popular,
modern,
形容词和副词比较级和最高级构成
(规则变化)
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不规则变化
good
/
well
–
better
-
best
much
/
many
–
more
-
most
bad
/
badly
/
ill
–
worse
–
worst
little
–
less
–
least
far
–
farther/
further–
farthest
–
furthest
old
–
older/
elder
–
oldest
/
eldest
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形容词和副词比较级的用法
1.Who
runs
faster,
he
or
she?
2.He
runs
faster
than
she.
3.He
runs
much
faster
than
she.
4.He
becomes
healthier
and
healthier.
5.The
more
you
exercise,
the
healthier
you
will
be.
6.She
is
less
healthy
than
he.
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1.表示两者之间的选择,
可用“Which/Who
…
+
比较，…or…?”.
2.表示两者之间的比较，通常用连词
than
引导，
表示“更······一些”．
3.much/far/a
lot,
even
,still
,a
little/a
bit
…
修饰比较级,表示程度.
Who
runs
faster,
he
or
she?
He
runs
faster
than
she.
He
runs
much
faster
than
she.
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4.
“比较级+and+比较级”表示“越来越……”
5.
“the+比较级
,
the
+
比较级”表示“
越…,
越
…”
6.
表示不及另一方时，用“less+原级+than…”
　
(双音节和多音节词)
He
becomes
healthier
and
healthier.
The
more
you
exercise,
the
healthier
you
will
be.
She
is
less
healthy
than
he.
He
is
healthier
than
she.
Shanghai
is
becoming
more
and
more
modern.
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1.比较级
+
and
+比较级
越来越…
2.the+比较级
,
the
+
比较级　
越…,
越
…
3._______________you
are,
_________mistakes
you
will
make.
(你越仔细，做错的题目就越少）
4.
__________you
eat,
_________you’ll
be.
(你吃得越多,就越胖)
5.
Alice
writes
well.
Mary
writes
_________________
than
she.
(甚至更好）
The
more
careful
the
fewer
The
more
the
fatter
1.The
girl
becomes
______________________.
(越来越漂亮）
more
and
more
beautiful
2.
The
weather
is
getting
_________________.
(越来越槽糕）
worse
and
worse
even
/
still
better
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1.表示三者或三者以上比较,可用”Which/Who
…
+最高级,…,…or
…?”表示.
2.
最高级+of/among
(同类比较)
in…
(范围比较)
4.one
of
+
形容词最高级
+名词复数表示“最…
之一”
3.
序数词修饰最高级
形容词和副词的最高级的用法
Who
is
the
tallest,
Tom
,
Mike
,
or
Jack?
Tom
is
the
tallest
of
the
three.
Mike
is
the
second
tallest
student
in
our
class.
Jack
is
one
of
the
tallest
students
in
our
class.
Tom
runs
(the)
fastest
in
our
class.
qweqwe
3.
Lin
Tao
is
__________________________
in
the
class
because
he
never
gets
to
school
on
time.
（最懒的学生之一）
4.
Edison
was_________________________
in
the
world.
　(最伟大的发明家之一）
one
of
the
laziest
students
one
of
the
greatest
inventors
The
Yangtze
River
is__________________
river
in
the
world.
(第三长河）
the
third
longest
2.
The
Atlantic
is
__________________
ocean
in
the
world.
(
第二大洋）
the
second
biggest
Exercise:
一、翻译句子：
qweqwe
二、同义句转换
1.
Flat
A
is
more
expensive
than
Flat
B
Flat
B
is
_____
__________
than
Flat
A.
Flat
B
is
________
_______
Flat
A.
Flat
B
is
not
____
__________
___
Flat
A.
2.
I
prefer
maths
to
English.
I
like
maths
__________________
English.
better
than
3.He
is
the
tallest
student
in
the
class.
He
is
______________________________
in
the
class.
taller
than
any
other
student
any
other
+　名词单数
less
expensive
cheaper
than
as
expensive
as
qweqwe
1.Hainan
is
a
very
large
Island
.It
is
the
second
_________
island
in
china.
(large)
2.Our
teacher
is
as
______
as
before.
(busy).
3.He
is
______________
among
us.
(careful)
4.Li
Lei
jumped
far
______
than
Jim.
(far)
5.The
busier
he
is,
the
________
he
feels.
(happy)
6.I
think
Yao
Ming
is
one
of
____________
basketball
players
in
NBA.
(hot)
busy
the
most
careful
farther
happier
largest
the
hottest
三、完成句子
qweqwe
Homework
Practice
with
your
classmates
to
speak
and
write
large
numbers.
Write
some
number
cars
and
put
them
in
your
room.
Whenever
you
see,
read
them
quickly.
qweqwe