(共28张PPT)
Unit
9
This
bird
is
bigger
than
the
first
one
Part
A-C
Lead
in
A
Let's
Listen
and
Say
Welcome
to
our
clay
art
show.
I’m
Peter.
I
made
a
few
birds
with
clay.
Please
take
a
look.
Children’s
clay
art
is
on
show
at
Sunshine
School.
Sure.
This
is
the
first
one.
It’s
a
small
bird.
This
is
the
second
one.
This
bird
is
bigger
than
the
first
one.
Look
at
the
third
bird!
It’s
bigger
than
the
second
one.
This
is
the
fourth
one.
It’s
bigger
than
the
third
one.
Look
at
the
fifth
bird.
It’s
the
biggest.
Wow!
They
are
lovely.
New
words
1.clay
黏土
短语：clay
art
show
黏土艺术展
形近词：play
玩
例句：Welcome
to
our
clay
art
show.
2.than
比
用法：用于两事物之间的比较
例句：I
am
shorter
than
my
sister.
Sentences
1.
This
is
the
first
one.
这是第一只(鸟)。
详解：first
第一，是one的序数词。
序数词是用来表示顺序的，前面常加the。
例句：
It
is
the
first
one.
2.
This
bird
is
bigger
than
the
first
one.
这只鸟比第一只鸟大。
详解：bigger为big的比较级。当两个事物进行比较时，
需要用比较级。
句型结构：
A+be动词+形容词比较级+than+B.
3.
It's
the
biggest.
它是最大的。
详解：biggest为big的最高级，意为“最大的”。
最高级的用法：用于三者或三者以上的比较，表示最
高程度时，用“the+最高级”的结构表示。
句型结构：
主语+be动词+the+形容词最高级+其他.
B
Let's
Learn
big
bigger
biggest
The
first
bird
The
second
bird
The
third
bird
is
______.
is______.
is
the
_________.
big
bigger
biggest
B
Let's
Learn
small
smaller
smallest
The
first
book
is
________.
The
second
book
is
__________
than
the
the
first
one.
The
third
book
is
the
____________.
small
smaller
smallest
B
Let's
Learn
tall
taller
tallest
B
Let's
Learn
short
shorter
shortest
The
first
boy
has
_________
hair.
The
second
boy
has
__________
hair
than
the
first
one.
The
third
boy
has
the
___________
hair.
short
shorter
shortest
B
Let's
Learn
long
longer
longest
The
first
monkey
has
a
_______
tail.
The
second
monkey
has
a
_______
tail
than
the
first
one.
The
third
monkey
has
the
___________
tail.
longer
longest
long
B
Let's
Learn
形容词构成比较级、最高级的变化规则：
一般情况下，形容词
构成比较级在词尾加-er
构成最高级在词尾加-est
C
Let's
Practise
Tom
is
taller
than
Mike.
Tom’s
hair
is
shorter
than
Mike’s.
Dick
is
taller
than
John.
Group
work
John
is
taller
than
David.
Homework
观看课文动画，按照正确的语音、语调朗读
Part
A
课文。
