一、介词按其构成可分为:
1.
简单介词
at,
in,
on,
to,
since,
until
等。如:
He's
worked
there
since
1998.
2.
复合介词
into,
onto,
out
of
等。如:
She
is
out
of
school.
她毕业了。
3.
二重介词
from
under,
from
behind,
from
out
of,
until
after,
except
in
等。如:
I'm
from
out
of
town.
我是从城外来的。
4.
短语介词
because
of,
instead
of,
in
spite
of
等。如:
I
went
back
not
because
of
the
rain,
but
because
I
was
tired.
我回去不是因为下雨,而是谨散因为我累了。
二、介词的作用:
1.
表示地点:after,
along,
at,
below,
by,
of,
near,
over,
through,
under
等。如:
Near
the
village
the
boys
are
skating
on
the
ice.
男孩子们正在村子附近的冰上滑冰。
They
lay
down
under
the
shade
of
a
tree.
他们躺在一棵树的树阴下。
2.
表示时间:about,
after,
across,
at,
during,
for,
in,
of,
till,
until
等。如:
After
class
he
will
tell
us
about
the
accident.
课后他将告诉我祥滑氏们有关事故的情况。
A
heavy
rain
has
been
falling
across
three
days.
一场大雨下了整整三天。
The
accident
happened
during
the
night.
事故发生在夜间。
3.
表示动作:at,
across,
around,
on,
over,
under
等。如:
The
earth
goes
around
the
sun.
地球绕太阳运行。
The
car
is
under
repair.
汽车在修理中。
4.
表示比较:as,
like,
above,
over,
with
等。如:
She
was
something
like
her
sister.
她有几份像她的妹妹。
Chinese
is
much
more
difficult
in
contrast
with
English.
和英语相比,汉语难得多。
5.
表示原因:about,
for,
from,
with
等。如让含:
Don't
worry
about
my
lessons.
不要担心我的功课。
Business
kept
me
from
coming.
我因事不能来。
He
was
angry
with
what
I
did.
他对我所做的很气愤。
6.
表示条件:to,
with,
without
等。如:
Without
your
advice,
he
would
have
failed.
没有你的忠告他可能已经失败了。
7.
表示手段、方式:as,
by,
in,
with
等。如:
He
behaved
as
a
drunkard.
他的举止如同醉汉一样。
Learn
the
new
words
by
heart.
记住这些生词。
We
see
with
our
eyes.
我们用眼睛看。
8.
表示距离、数量:from,
in,
within
等。如:
My
house
is
ten
miles
from
the
school.
我家离学校十英里。
They
were
thirty
in
all.
他们总共有三十人。
9.
表示目的:as,
for
等。如:
I
only
said
it
as
a
joke.
我只是把它当作笑话讲的。
It's
time
for
class.
到上课的时间了。
10.
表示让步:for,
with
等。如:
For
all
his
effort,
he
didn't
succeed.
虽然他做了一番努力,仍不能成功。
With
all
his
money,
he
is
unhappy.
尽管他有钱,但他并不快乐。
for
还可以引导插入语,例如:
I,
for
one,
shall
vote
against
the
proposal.
我也投票反对这个提议。