Unit1 Great scientists Grammar-过去分词做表语和定语(共17张PPT)

(共17张PPT)
Unit1
Great
Scientists
英语人教版
必修5
Grammar
Learning
aims
掌握过去分词作为定语
的用法。
掌握过去分词作为表语
的用法。
能够区分过去分词与现在分词做定语，表语的不同
Lead
in
什么是定语？
1
什么是表语？
2
过去分词与现在分词有何区别？
3
修饰、限定、说明名词或代词的品质与特征
主要有形容词
eg:
She
is
a
beautiful
girl.(前置)
English
is
a
language
being
learnt
all
over
the
world
.（后置）
定语
单个过去分词作定语，通常前置。
过去分词作定语
a
closed
door
a
broken
window
a
polluted
river
过去分词短语作定语：通常后置，其作用相当于定语从句。
people
exposed
to
cholera
=
people
who
were
exposed
to
cholera
非谓语动词，被动
谓语动词，被动
用过去分词作定语补充下列句子，并将其转化为定语从句。
1.那就是Jack买的书.
That
is
the
book
_____________.
2.
那台去年生产的机器看起来很新.
The
machine
_______________looks
new.
=
The
machine
________________________looks
new.
=That
is
the
book________________________
bought
by
Jack
which
was
bought
by
Jack.
produced
last
year
that
was
produced
last
year
都属于非谓语动词，在时态及语态上有各自的含义。
时态层面:
现在分词表正在发生的动作
We
are
all
living
in
a
changing
world.
过去分词表已经完成的动作
The
changed
world
surprised
him.
现在分词与过去分词作定语的区别
语态层面:
现在分词表主动动作
The
running
water
in
the
river
is
very
clear.
过去分词表被动动作
The
women
interviewed
said
that
they
were
satisfied
with
their
life.
说明主语的身份、特征和状态的词或从句
常由名词、形容词、介词短语、分词等来充当
常位于系动词（be）之后
eg:Africa
is
a
big
continent.
He
is
old
but
he
is
healthy.
The
patient
is
out
of
danger.
表语
系动词：用于对主语“贴标签”的这类动词
“似乎是”：
“感觉是”：
“变成是”：
“仍然是”：
是：
be(
am,
is,
are)
seem,
appear,
look
feel,
sound,
smell,
taste
become,
go,
get,
grow,
fall,
turn
remain,
stay,
keep
“结果是”：
turn
out,
prove
不表示被动的动作,也不表示动作完成
表主语的状态，特点
相当于一个形容词
过去分词作表语
1.They
are
excited.
2.He
looked
determined.
3.We
were
deeply
moved.
1.They
were
________
to
hear
the
_________news.
(delight)
2.
The
teacher
announced
the
_______
news
with
an
_______voice.(excite)
delighted
delighting
excited
exciting
过去分词含有被动含义，即“人被引起某种感觉”，多用来形容人
现在分词表示主动意义，即“令人有某种感觉”，多用来形容物
现在分词与过去分词作表语的区别
一、用所给单词的适当形式填空。
1.This
is
the
severely
_________(pollute)
lake
I
mentioned
to
you
the
other
day.
2.Huang
Lin
________(teach)
English
in
our
school
has
a
good
command
of
Chinese.
3.
Do
you
know
the
person________(live)
here
?
4.
Most
of
the
artists
________(attend）the
party
were
from
South
America.
5.
Don’t
use
words,
expressions
or
phrases
only
________
(know)
to
people
with
special
knowledge.
Exercises
polluted
teaching
living
attending
known
二、完成句子
在会议上提出的问题对我们来说很严重。
The
problem
______________
at
the
meeting
is
serious
to
us.
2.
为了把英语学好，你应该提高你的口语和书面英语。
In
order
to
learn
English
well,
you
should
improve
your
___________and
___________English.
3.他对这个有趣的新闻很感兴趣。
He
was_____________in
the
______________news.
put
forward
spoken
written
interested
interesting
谢谢
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