形容词前面加be动词什么意思
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发布时间：2022-05-03 03:22
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热心网友
时间：2023-10-08 22:17
be
[bi:]
vi
现在时
I
am,
you
are,
he
is,
we
are,
you
are,
they
are
（缩略式
I'm,
you're,
he's,
we're,
you're,
they're）,
（否定缩略式
I'm
not,
isn't,
aren't）,
过去时
I
was,
you
were,
he
was,
we
were,
you
were,
they
were
（过去时否定缩略式
wasn't,
weren't）,
过去分词
been,
现在分词
being
英语的“be”是个特别动词；有些语言，如中文和马来文，并没有“be”这样的动词。
“Be”除了原形的“be”之外，还有另外七种形式：am,
is,
are,
been,
being,
was,
were.
在句子中，“be”可以是主动词(The
Principal
Verb)或助动词(The
Auxiliary
Verb).
当主动词时，“be”在性质上属于接系动词(The
Linking
Verb),
后面要有名词、形容词、地方副词或短语作补足语(The
Complement)。例如：
1.
The
man
is
a
science
teacher.
2.
Mary's
new
dresses
are
colourful.
3.
I
have
been
there
before.
4.
Mother
is
in
the
kitchen
now.
这四个都是陈述句，可以变成疑问句，方法简单，把主语和“be”或助动词对换位置即可：
5.
Is
the
man
a
science
teacher?
6.
Are
Mary's
new
dresses
colourful?
7.
Have
I
been
there
before?
8.
Is
mother
in
the
kitchen
now?
当“be”要在祈使句中出现时，它必须借重助动词“do”或“don't”之助，如：
9.
Don't
be
silly!
10.
Do
be
obedient!
11.
Don't
be
a
fool!
“Be”有两种缩写法，如下：
12.
He's
not...../He
isn't....
13.
You're
not...../You
aren't...
但“am
+
not”的缩写法只有一个：
14.
I'm
not.
有人用“ain't”,
但这并不是标准英语。
谈过了“be”作主动词的功能，现在看看“be”作助动词时，有些什么用法：
1.“Be
+
现在分词”以组成进行式时态(Continuous
Tenses)，如：
15.
Tony's
maid
is
washing
his
new
car.
16.
The
children
are
playing
in
the
field.
17.
Samuel
was
eating
when
I
came
in.
18.
We
have
been
living
here
since
1959.
2.“Be
+
过去分词”以组成被动语态(The
Passive
Voice),如：
19.
Her
money
in
the
drawer
was
stolen.
20.
A
number
of
good
jobs
are
taken
up
byforeigners.
21.
David
studied
in
Taiwan
but
has
been
trained
as
a
language
lecturer
in
America.
22.
Can
all
the
wonderful
birds
be
found
in
our
Bird
Park?
23.
The
disobedient
boy
was
told
to
stand
out-
side
the
classroom.
24.
Steps
are
being
taken
to
rece
traffic
con-
gestion
ring
peak
hours.
25.
Dishonest
students
will
be
immediately
dealt
with.
热心网友
时间：2023-10-08 22:18
例如：he
is
handsome
boy
.在这里的handsome是形容词跟在IS的后面做表语，形容词前加BE构成系表结构。
热心网友
时间：2023-10-08 22:18
做为一个句子中要有动词，be动词可分为：is
are
am以及他们的各种时态，通俗点将给一个句子:他很帅。若用中文直译则会变成：he
very
handsome
一看就知道是个病句，没有动词，所以在此句子中handsome作为形容词前面要加be动词，根据主语来选择，原句加入be动词后就为：he
is
very
handsome。希望采纳，原创
