(共30张PPT)
Unit
7
There
is
a
TV
in
the
classroom
Part
B
陕旅版·三年级下册
New
words
二十
twenty
十一
eleven
十二
twelve
十三
thirteen
十四
fourteen
十五
fifteen
十六
sixteen
十七
seventeen
十八
eighteen
十九
nineteen
How
many
students
are
there
in
the
classroom?
There
are
twenty.
How
many
teachers?
There
is
one.
Let’s
learn
more
How
many
fans?
There
are
four.
And
there
are
six
lights.
Language
points
1.How
many
students
are
there
in
the
classroom?
教室里有多少个学生？
句型:
how
many
+可数名词复数+are
there+地点？
......有多少......?
回答:There
are+数字。/
数字。
例：
—你们班有多少个个女生？
—有十五名。
—How
many
girls
are
there
in
you
classroom?
—Fifteen.
/
There
are
fifteen.
拓展：How
much
How
much
的意思是“多少”，用于询问不可数名词的数量。
句型结构：How
much+不可数名词+其他？
它还可用于询问价格。
例：杯子里有多少水？
How
much
water
is
there
in
the
cup?
钢笔多少钱？
How
much
is
the
pen?
2.本部分出现的fans,
students,
teachers和lights等都是
可数名词的复数形式。
名词变复数的形式一般有：
①一般情况下在词尾加-s
②词尾是s,
x,
sh,
ch的单词，词尾加-es
bike
→
bikes
apple
→
apples
bus
→
buses
box
→
boxes
③以辅音字母加y结尾的单词，变y为i再加es
④一些以o结尾的单词，词尾加es
candy
→
candies
tomato
→
tomatoes
Let’s
count
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
Count
and
say
How
many
…
are
there？
How
many
sweaters
are
there?
There
are
sixteen.
How
many
dresses
are
there?
There
are
thirteen.
How
many
skirts
are
there?
There
are
eleven.
How
many
bags
are
there?
There
are
sixteen.
Ask
and
answer
What’s
in
your
desk?
There
is
a
bag
in
it.
What’s
on
your
desk?
There
are
two
books
on
it.
What’s
near
the
chair?
There
is
a
ruler
near
the
chair.
What’s
under
the
chair?
There
is
an
eraser
under
it.
Practice
with
your
partner.
What’s
near
the
desk?
There
two
chairs
near
the
desk.
What’s
under
the
desk?
There
is
a
ball
under
the
desk.
What’s
near
the
chair?
There
is
a
ruler
near
the
chair.
