高中英语人教版（2019)必修第三册Unit3 Diverse Cultures- Grammar 省略课件(共17张ppt）

(共17张PPT)
Unit3
Diverse
Culture
Grammar
I.完成句子
1.
(在使用之前)，the
machine
must
be
checked.
2.
Every
possible
means
has
been
used
to
(防止河流受到污染).
3.
(必要的时候)，we
will
take
on
more
workers.
4.
We
should
keep
a
healthy
lifestyle
and
(如果可能的话)，have
a
check-up
once
a
year.
Before
being
used
prevent
the
rivers
from
being
polluted
When
necessary
if
possible
将下列句子改为省略句.
1.
The
reform
of
College
Entrance
Examination
will
begin
with
English,
whose
result
is
not
as
satisfying
as
it
was
expected.
.
2.
A
person,when
he
is
challenged,
can
often
do
what
is
normally
beyond
his
ability.
.
The
reform
of
College
Entrance
Exami-nation
will
begin
with
English,
whoseresult
is
not
as
satisfying
as
expected.
A
person,
when
challenged,
can
oftendo
what
is
normally
beyond
his
ability.
3.
Though
they
are
warned
of
danger,
sightseers
have
been
flocking
to
the
site
where
the
terrorist
Bin
Laden
lived.
.
4.
The
other
day,
while
she
was
walking
her
dog
in
the
park,
she
noticed
an
advertisement
for
photography
lessos.
.
Thoughwarned
of
danger,
sightseershave
been
flocking
to
the
site
where
theterrorist
Bin
Laden
lived
The
other
day,
while
walking
her
dog
in
the
park,
she
noticed
an
advertisement
for
photography
lessons.
经典例句
If
it's
convenient
for
you,
let's
meet
at
8:
30
outside
the
school
gate.
If
not,
let
me
know
what
time
suits
you
best.
如果你方便的话，我们就八点半在校门外见吧。如果你不方便，,请告知我你什么时候有空。
(2017.全国I
)Once,
while
working
overnight
at
a
store,
he
let
a
homeless
man
sleep
in
his
truck.
有一次，他在一家商店通宵工作时，他让一个无家可归的人睡在他的卡车里。
省略
Had
the
governments
and
scientists
not
worked
together,
AIDS
related
deaths
would
not
have
fallen
since
their
highest
in
2005.
如果政府和科学家不共同努力，艾滋病相关的死亡人数就不会从2005年的最高点下降。
省略
简单句中的省略
根据表达的需要,简单句中常省略主语、谓语或谓语的一部分、宾语、表语等
,有时甚至同时省略若干成分。
(You
come):
This
way,
please,
请这边走。
Are
you
feeling
better
now?你现在好些了吗?
--(I
am
feeling)
Much
better
(now).
好多了。
●并列句中的省略
在并列句中,后面的分句可以省略与前面的分句中相同的成分。
Tom
must
have
been
playing
basketball,
whileMary
(must
have
been)
doing
her
homework.汤姆一定是一直在打篮球，而玛丽一定是一直在做作业。
状语从句中的省略
在由when、while、
if、
as
if、though
(although)、as、whether、once等连词引导的状语从句中，常常省略与主句相同的主语和be动词或作主语的代词it以及be动词。
(2017●北京)
We
know
that,
while
awake,
freshmemories
are
recorded
by
reinforcing
connectionsbetween
brain
cells.
我们都知道，当(我们)醒着的时候，我们通过加强脑细胞之间的联系来记录新的记忆。
(1)
this
year,
the
museum
will
be
open
to
the
public
next
year.
如果今年竣工了，这座博物馆将会在明年向公众开放。
(2)Unless
you'd
better
not
refer
to
the
dictionary.
除非有必要，你最好不要查词典。
If
(it
is)
completed
(it
is)
necessary
动词不定式中的省略
在同一句话或联系紧密的对话里，常把不定式to后的内容中相同的部分省略，只保留to。
-I
will
be
away
on
a
business
trip.
Would
you
mind
looking
after
my
cat?我将会出差。请帮忙照看我的猫好吗?
-I
would
be
happy
to.没关系,我非常乐意。
虚拟条件句中的省略
在虚拟条件句中，如含有had、were,
should
等时，if可省略，句子倒装。
(3)
tomorrow,
you
would
have
to
put
off
your
tour.
如果明天
下雨，你只能推迟行程
Should
it
rain
宾语从句中的省略
在宾语从句中，连词that一般可以省略。但在由that引导的两个或两个以上的并列的宾语从句中，只有第一个that可以省略。
He
told
me
he
was
ill
and
that
he
couldn't
go
towork
the
next
day.
他告诉我他病了,第二天无法上班。
由which、when、where、how
和why引导的宾语从句，可以全部或部分省略其后的内容。
I
know
that
the
famous
star
will
come
to
our
city
but
I
don't
know
when
(the
famnous
star
will
come
to
our
city).我只知道这位明星将会来我们的城市，但我不知道他/她什么时间来。
省略句口诀
回答问题要简洁,
并列重复须省略。
祈使主语必省略，
比较than后须省略。
宾从表从that省路，
主从that勿省略。
前后出现同一词,
惯用习语常省略。
(1)
This
woman
works
well,
but
that
one(
work
well).
并列复合句中,某些
可以省略，以避免重复。
(2)-
Can
Emily
do
this
work?-
I
think
so./
I
think
not.
用
、
或其他方式可省略上文或向句中的一部分或整个句子。
(3)If
you
do
not
go,neither
shallI
(go).
以so、nor、neither.
no
more开头的分句,句子常出现倒装或
。
仔细观察下列句子中的省略现象并归纳用法
相同成分
so
not
省略
(4)
When
(
water
is)
pure,water
is
a
colorless
liquid.
(5)When
(they
are)
ripe,
these
apples
are
sweet.
在由when、while,
if,
as
if、though,
although,月as、
until、onice、whether、unless、
where
等连词(短语)连接的
中，常省略跟主句相同的
.
(6)Answer
these
questions,
if
(it
is)
possible,
without
referring
to
the
book.
如果状语从句的主语和谓语部分是itis
/
was时,it
is/
was也可以省略。
(7)The
reason
why
I
left
the
company
is
(that)
the
pay
is
very
low.
当that引导较短的
或宾语从句时,that一般可以省略。
状语从句
主语和be动词
表语从句
(8)That
is
the
naughty
boy
(whom/
that)
we
talked
about
last
week.
在限制性定语从句中可省略作
的关系代词whom、which、that。
(9)Had
Thomas
Edison
(=
If
Thomas
Edison
had)saved
his
money,
he
would
have
died
a
wealthy
man.
如果if引导的虚拟条件句中的谓语部分有should、were或助动词had时，可将这些词提到主语前面，省略_____。
(10)It
was
suggested
that
the
meeting
(
should)
be
put
off
until
the
next
week.
虚拟语气中
通常可以省略。
宾语
if
should
将下列句子变为省略句。
1.
Generally
speaking,
when
it
is
taken
accrding
to
the
direcionsr
the
drug
has
no
side
effect
.
-
Generally
speaking,
according
to
the
directions,
the
drug
has
no
side
effect.
2.
-You
haven't
lost
the
ticket,
have
you?
-
I
hope
I
haven't
lost
it,
I
know
it's
not
easy
to
get
another
one
at
the
moment.
-You
haven't
lost
the
ticket,
have
you?
-
I
know'
it's
not
easy
to
get
another
one
at
the
moment.
when
taken
I
hope
not
3.-I
was
wondering
if
we
could
go
skiing
on
theweekend.
-It
sounds
good.
-I
was
wondering
if
we
could
go
skiing
on
the
weekend.
-
.
4.-Have
you
got
any
particular
plans
for
the
coming
holiday?
-Yes,if
it
is
possible,I'm
going
to
visit
some
homes
for
orphans
in
the
city.
-Have
you
got
any
particular
plans
for
the
coming
holiday?
-Yes,
I'm
going
to
visit
some
homés
for
orph?ns
in
the
city.
Sounds
good
if
possible
I
wonder
why
you
can't
do
it
as
you
have
been
told.
It's
the
third
time
you
have
done
so.
-
I
wonder
why
you
can't
do
it
.It's
the
third
time
you
have
done
so.
as
told