2020-2021学年人教版（2019）选择性必修一：Unit 3 Fascinating Parks 语法精讲课件（20张ppt）

(共20张PPT)
UNIT
3语法精讲
Entrepreneurial
activities
differ
substantially
depending
on
the
type
of
organization
and
creativity.
Entrepreneurial
activities
differ
substantially
depending
on
the
type
of
organization
and
creativity.
动词-ing形式作主语
动词-ing形式作主语
Have
you
ever
seen
these
signs?
the
–ing
form
动词-ing形式作主语
1.
Even
though
the
sun
is
brightly
shining,
_______
(tell)
whether
it
is
morning
or
night
is
impossible.
(教材P26)
2.
_________(get)
here
is
quite
difficult,
so
apart
from
the
Sami
very
few
people
have
ever
seen
Sarek.
(教材P26)
telling
Getting
动词-ing形式作主语
3.
For
hundreds
of
years,
________
(look)
after
reindeer
was
a
way
of
life
for
the
Sami.
(教材P26)
4.
_______
(be)
in
such
a
beautiful
and
wild
place
makes
me
feel
blessed
to
be
alive.(教材
P27)
Being
looking
动词-ing形式作主语
1.
I
wake
up
to
the
sound
of
the
wind
buffeting
the
cloth
of
my
tent.
(attribute)
2.
Even
though
the
sun
is
brightly
shining,
telling
whether
it
is
morning
or
night
is
impossible.
(subject)
3.
Checking
my
watch,
I
see
that
it
is
7:30
a.m.
(adverbial)
4.
Spreading
out
before
me,
branches
of
the
Rapa
River
flow
through
the
valley
below.
(adverbial)
5.
Getting
here
is
quite
difficult,
so
apart
from
the
Sami
very
few
people
have
ever
seen
Sarek.
(subject)
6.
For
hundreds
of
years,
looking
after
reindeer
was
a
way
of
life
for
the
Sami.
(subject)
动词-ing形式作主语
7.
But
every
spring,
a
small
number
of
Sami
still
follow
their
reindeer
into
the
valleys
of
Sarek,
living
in
tents
or
old
cottages
and
enjoying
their
traditions.
(adverbials)
8.
For
example,
this
morning
my
breakfast
is
flat
bread
warmed
over
a
fire,
dried
reindeer
meat,
and
some
sweet
and
sour
berries
that
I
found
growing
near
my
tent.
(complement)
9.
Being
in
such
a
beautiful
and
wild
place
makes
me
feel
blessed
to
be
alive.
(subject)
10.
Here
I
am,
alone
under
this
broad
sky,
breathing
the
fresh
air,
and
enjoying
this
great
adventure.
(adverbials)
动词-ing形式作主语
表示经常性或习惯性的动作且常
放句首
形容词性物主代词+动词-ing
名词所有格+动词-ing
动词-ing
作
主
语
动词-ing的复合结构
It’s
a
waste
time
doing
sth
It’s
useless/no
use/no
good
doing
sth
It’s
no
fun
doing
sth
it
作形
式主语
动词原形+-ing
基本构成
基本用法
动词-ing与动词不定式作主语的区别
动词-ing形式作主语
1.
动词-ing形式作主语，表示一般或抽象的习惯性行为，谓语动词用单数。
eg
Reading
aloud
is
very
important
for
us
to
learn
a
foreign
language.
Going
to
bed
early
and
getting
up
early
is
considered
to
be
a
good
habit.
2.
有时为了句子平衡，避免头重脚轻,
用
it作形式主语，而把真正的主语(动词-ing
短语)后置。常见的固定句型有：
动词-ing形式作主语
It
+
be
+
a
waste
of
time
doing
…
做……是浪费时间的
It
is/was
no
good/use
doing
…
做……是没益/用处的
It
is/was
hardly/scarcely
worth
doing
…
做……不值得
It
is/was
worth/worthwhile
doing
…
做……是值得的
There
is
no
sense
in
doing
…
做……没有道理
2.
有时为了句子平衡，避免头重脚轻,
用
it作形式主语，而把真正的主语(动词-ing
短语)后置。常见的固定句型有：
动词-ing形式作主语
1
It
is
both
challenging
and
rewarding
to
study
abroad.
2
It
would
hardly
be
possible
to
go
on
a
hiking
tour
in
Sarek
in
winter
due
to
the
extreme
cold.
Studying
abroad
is
both
challenging
and
rewarding.
Going
on
a
hiking
tour
in
Sarek
in
winter
would
hardly
be
possible
due
to
the
extreme
cold.
3
Honestly,
it
can
be
both
exciting
and
terrifying
to
explore
a
vast
unknown
land.
Honestly,
exploring
a
vast
unknown
land
can
be
both
exciting
and
terrifying.
动词-ing形式作主语
4
It
is
good
to
adopt
a
positive
attitude,
even
when
things
are
difficult.
Adopting
a
positive
attitude
is
good,
even
when
things
are
difficult.
5
It
is
strongly
advised
to
hire
local
guides,
because
they
can
offer
accurate
knowledge
of
Sarek
culture
and
history.
Hiring
local
guides
is
strongly
advised,
because
they
can
offer
accurate
knowledge
of
Sarek
culture
and
history.
动词-ing形式作主语
3.
动词-ing的复合结构作主语时，通常有两种
形式：
(1)
形容词性物主代词+动词-ing
(2)
名词所有格+动词-ing
His
being
late
again
made
his
teacher
very
angry.
他再次迟到让老师很生气。
Mike’s
returning
to
work
is
a
great
help
to
his
family.
麦克回来工作对他全家来说都是一大帮助。
动词-ing形式作主语
4.
动词-ing与动词不定式作主语的区别：
动词-ing作主语，常常表示抽象的习惯性
或经常性的动作。
而不定式一般表示一次性、
具体性的行为。
Delivering
newspapers
is
his
job.
送报纸是他的
工作。
To
deliver
newspapers
is
his
job
today.
送报纸是
他今天的工作。
动词-ing形式作主语
5.
在“There
be
no
+主语”结构中作主语。
1)
There
is
no
hiding
of
evil
but
not
to
do
it．
若要人不知，除非己莫为。
2)这种事开不得玩笑。
There
is__________
about
such
matters.
no
joking
动词-ing形式作主语
动词-ing形式在句子中做____语(
)。动词-ing形式的被动式,
其构成为
“______________”,
being
done
主
subject
动词-ing形式作主语
______________________
is
a
terrible
experience.
laugh
at
in
public
a
terrible
experience
Being
laughed
at
in
public
动词-ing形式作主语
______________________
is
a
happy
thing.
love
a
happy
thing
Being
loved
by
his
mother
动词-ing形式作主语
______________________
is
fun.
take
to
aquarium
fun
Being
taken
to
the
aquarium
动词-ing形式作主语
1.
____________(bite)
by
snakes
can
be
vital
to
people.
2.
______
(see)
different
families
having
fun
together
in
nature
in
spring
is
a
common
thing.
3.
_____________(invite)
to
the
evening
party
is
a
great
honor
for
me.
4.
___________
(tell)
that
you
would
dance
to
the
pop
song,
Little
Apple,
made
me
excited.
Being
bitten
Seeing
Being
invited
Being
told
THANK
YOU
!
Entrepreneurial
activities
differ
substantially
depending
on
the
type
of
organization
and
creativity.
l
activities
differ
substantially
depending
on
the
type
of
organization
and
creativity.