外研版英语必修一module 5 a lesson in a lab grammar课件（共25张PPT）

(共25张PPT)
Period
5
Grammar
Degrees
of
comparison
The
tallest
man
and
the
shortest
man
in
the
worldzx
xk
The
Pakistani
is
four
times
as
tall
as
the
Iranian.
Or
we
can
say:
The
Pakistani
is
three
times
taller
than
the
Iranian.
The
Pakistani
is
four
times
the
height
of
the
Iranian.
0.64m
2.55m
The
old
woman
is
about
ten
times
as
old
as
her
granddaughter.
Or
we
can
say:
The
old
woman
is
about
nine
times
older
than
her
granddaughter.
The
old
woman
is
about
ten
times
the
age
of
her
granddaughter.
②倍数+形容词比较级+than…
③倍数+the
size
(
height,
length,
weight,
width,
depth,
age)
+of
…
Conclusion:
Answer
the
questions:
2.The
men
are
about
1.7meters
tall,and
the
truck
is
three
and
a
half
times
as
high
as
the
men,how
high
is
the
truck?
1.What’s
wrong
with
this
sentence?
Ball
2
is
two
times
as
big
as
ball
1.
Correct:Ball
2
is
twice
as
big
as
Ball
1.
Ball
2
is
two
times
as
big
as
Ball
1.
6M
3.The
canna
is
10(cm)
big,and
the
king
flower
is
ten
times
bigger
than
the
canna,how
big
is
the
king
flower?
1M
Discuss
in
groups
of
three.
Make
sentences
about
the
comparative
sizes
of
the
pairs.
Use
the
words
in
the
brackets
.
Winter
in
Harbin
Winter
in
Beijing
-20℃
-5℃
（cold/coldness）
Mount
Tai
Mount
Qumolangma
1521m
8848m
(high/height)
Diameter
(Earth=1)
Jupiter=11
(big/size)
Example:
A:
The
Yangtze
River
is
about
four
times
as
long
as
the
Songhua
River.
B:
The
Yangtze
River
is
about
three
times
longer
than
the
Songhua
River.
C:
The
Yangtze
River
is
about
four
times
the
length
of
the
Songhua
River.
Mount
Tai
Mount
Qumolangma
1521m
8848m
(high/height)
A:Mount
Qumolangma
is
about
six
times
as
high
as
Mount
Tai.
B:Mount
Qumolangma
is
about
five
times
higher
than
Mount
Tai.
C:Mount
Qumolangma
is
about
six
times
the
height
of
Mount
Tai.
Winter
in
Harbin
Winter
in
Beijing
-20℃
-5℃
（cold/coldness）
A:Winter
is
four
times
as
cold
in
Harbin
as
in
Beijing.
B:
Winter
is
four
times
colder
in
Harbin
than
in
Beijing.
C:
Winter
in
Harbin
is
four
times
the
coldness
of
winter
in
Beijing.
Diameter
(Earth=1)
Jupiter=11
(big/size)
A:Jupiter
is
eleven
times
as
big
as
the
earth
.
B:Jupiter
is
ten
times
bigger
than
the
earth.
C:Jupiter
is
eleven
times
the
size
of
the
earth.
含比较级的特殊句型
越来越…
越…越…
1.It’s
becoming
bigger
and
bigger.
2.She
is
more
and
more
beautiful.
3.The
higher
it
flies,the
smaller
it
appears.
Answer
the
questions:
A:Which
of
these
structures
is
used
to
say
that
something
is
changing?
B:
Which
of
these
structures
is
used
to
say
that
things
change/are
changing
together?
C:Which
structures
repeat
the
same
adjectives/adverbs?
Sentence
1.2.3
Sentence
3
Sentence
1.2
Pair
work:
Look
at
the
passage
and
conclude
the
sentences
structure.
In
the
National
Day
holidays,
I
went
back
to
my
hometown
to
see
my
uncle.
He
was
very
happy
to
see
me
and
said
I
was
growing
taller
and
taller
.
I
was
surprised
to
see
that
my
hometown
was
getting
more
and
more
beautiful
and
the
farmers
were
richer
and
richer.
Seeing
my
amazed
look
,Uncle
smiled
and
said
,“The
more
money
you
make
,
the
more
you
spend.”After
lunch
,
I
decided
to
return.
Uncle
asked
me
to
work
hard.
He
said
,
“The
harder
you
work
at
your
lessons,the
better
you
will
do
in
them.”
zx
xk
more
and
more+多音节形容词
单音节或多音节形容词/副词的比较级+单音节或多音节形容词/副词的比较级
1).“越来越……”
2).“越……,越……”
The
+形容词/副词的比较级+主+谓,
the
+形容词/副词的比较级+主+谓
Conclusion
Complete
the
sentences
with
the
words
in
the
box
in
suitable
comparative
forms.
Warm
healthy/long
more/more
more/less
big
Example:
Air
pollution
is
getting
worse
and
worse.
1.
people
are,
they
will
live.
2.
we
recycle,
we
waste.
3.The
planet
is
getting
.
4.According
to
scientists,
the
universe
is
getting
a
.
5.
you
practise,
fluently
you
will
speak.
6.I
found
it
difficult
to
solve
the
problem.
The
healthier
the
longer
The
more
the
less
warmer
and
warmer
The
more
the
more
more
and
more
A
little
taller
Much
taller
Any
lower
Pair
work:Look
at
these
sentences.Underline
the
comparative
expressions
and
circle
the
adverbs
used
to
give
more
information
about
the
comparative
expressions.
1.Come
a
bit
closer.
2.We
need
rather
more
than
that.
3.It
weighs
a
little
more
than
before.
4.It’ll
be
a
lot
heavier
than
magnesium.
5.Is
it
any
heavier?
6.We
need
a
piece
which
is
(very)
much
bigger
than
that.
a
bit
rather
a
little
a
lot
any
(very)
much
程度副词a
little,
a
bit,
a
lot,
rather,
no,
any,
(very
)much…>+形容词或副词的比较级.
Conclusion:
Pair
work:
Fill
in
the
blanks,
using
much,
a
little,
a
lot,
a
bit,
any…
A).Tom
has
been
ill
for
several
days.
Is
he
getting
better?
any
B).Native
speakers
speak
English
faster
than
I
do.
much
C).I
weigh
heavier
than
my
cousin,
but
he
is
stronger
than
I
am.
a
bit
a
lot
Pair
work:Underline
the
correct
expression.
Example:
Math
is
rather/much
easier
than
English.
1.This
metal
is
very
/a
bit
heavier
than
steel.
2.Lead
is
a
lot/lots
of
heavier
than
steel.
3.This
chemistry
experiment
is
rather/any
more
complicated.
zx
xk
4.It
is
a
little/lots
of
longer
than
before.
Group
work:Make
as
many
sentences
as
you
can,using
degrees
of
comparison.
Keywords:
weight
(heavy/strong),
height(tall),
age(old/young),
number(many)
Group
work:comment
on
the
fixed
expression
in
English
.
A.The
bigger,
the
better.
B.The
higher,
the
fewer.
C.The
bigger
they
are,
the
harder
they
fall.
Discussion
1.PAGE47
Grammar
2:Activity2,4
Homework
2.PAGE91
Grammar:Activity1,2