-
While
用法小结
一、
while
作名词用,表示
“
p>
一会儿
”“
一段时间
”
likes
to
lie
down
for
a
while
after
lunch.
她喜欢午饭后躺一会儿。
to
another
country
to
study
requires
a
big
adjustment
and
it
takes
a
while
to
fit
in.
来到另一个国家求学,需要花一段时间来适应。
二、
While
作连词
(1
)
引导时间状语
must
strike
while
the
iron
is
hot.
趁热打铁。
she
was
listening
to
the
radio
,
she
< br>
fell
asleep.
她听着收音机睡着了。
(2)
引起让步状语从句,意思是
“
虽然
…
但是
….”
、
“
尽管
…
但是
…”(
多放于句
首
)<
/p>
he
loves
his
students
,
he
is
very
strict
with
them..
虽然他爱他的学生,可是他对他们很严格。
these
experiments
are
interesting
and
useful
,
it
is
important
to
remember
that
they
may
not
always
tell
us
much.(BookIIIp125)
虽然这些实验很有趣
也有用,
但是很重要的是要记住,
这些实验也可能不会
告诉你很多。
(3)
引起条件状语,意思是
“
只要
”
there
is
life
there
is
hope.
只要生命存在,就有希望。
there
is
a
way
there
is
away.
有志者事竟成。
三、
While
作并列连词用,意思为
“
而,然而
”
,表对比
。而
but
表转折。注
意用心比较体会
while
与
but
< br>的句中用意
people
waste
food
while
others
haven't
enough.
有些人很费粮食,然而有些人却吃不饱。
son
was
having
a
good
meal
at
home
,
while
the
parents
were
working
in
the
fields.
儿子在家吃好饭而父母却在田里辛勤劳作。
3.I
ought
to
have
helped
her
,
but
I
never
could.
我本该帮她但没能。
is
p>
sweet
,
but
the
bee
stings.
蜂蜜很甜,但蜜蜂有刺蜇人。
四
p>
.while
,
when
< br>,
as
的用法区别
都译为
“
当
…
的时候
”
,区别为:
wh
en
后的从句谓语动词既可是延续性动词,
也可是短暂性动词,
而且还可作并列连词,
译为
“
这时
”
。
但以下句型一
定用
when
,
作并列连词:
句型
A
:
be
about
to
do…when…
正要做
…
这时
(
发生另一事
)
句型
B<
/p>
:
was/were
< br>doing…when…
正在
…
这时
(
发生另一事
)
句型
C
:
had
don
e…when…
刚
要做
…
这时
(
发生另一事
)
were
about
to
set
out
when
it
began
to
rain.
我们刚要出发天突然下雨了。
had
hardly
sat
down
when
his
mobile
rang.
他刚一坐下手机就响了。
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