英语中怎么区分when和while,最好有改错中必定要改的几个例句

2025-03-31 15:53:16
推荐回答(3个)
回答1:

When和While的区别
①when是at
or
during
the
time
that,
既指时间点,也可指一段时间,while是during
the
time
that,只指一段时间,因此when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。
②when
说明从句的动作和主句的动作可以是同时,也可以是先后发生;while
则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。
③由when引导的时间状语从句,主句用过去进行时,从句应用一般过去时;如果从句和主句的动作同时发生,两句都用过去进行时的时候,多用while引导,如:
a.
When
the
teacher
came
in,
we
were
talking.
当此句改变主从句的位置时,则为:
While
we
were
talking,
the
teacher
came
in.
b.
They
were
singing
while
we
were
dancing.
④when和while
还可作并列连词。when表示“在那时”;while表示“而,却”,表对照关系。如:
a.
The
children
were
running
to
move
the
bag
of
rice
when
they
heard
the
sound
of
a
motor
bike.
孩子们正要跑过去搬开那袋米,这时他们听到了摩托车的声音。
b.
He
is
strong
while
his
brother
is
weak.
他长得很结实,而他弟弟却很瘦弱。

回答2:

一。引导时间状语从句时,WHILE连接的是时间段,而WHEN连接的多是时间点
例如What
does
your
father
do
while
your
mother
is
cooking?
What
does
your
mother
do
when
you
come
back?
二,WHILE可以连接两个并列的句子,而WHEN不可以
例如I
was
trying
my
best
to
finish
my
work
while
my
sister
was
whtching
TV
三,WHEN是特殊疑问词,对时间进行提问,WHILE不是。
例如,When
were
you
bron?

回答3:

你好
接非延续性动词时
只能用when
接延续性动词时
两个都可以用
再看看别人怎么说的。

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