not…until 句型的用法,例句
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发布时间:2022-04-20 05:21
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热心网友
时间:2023-05-04 06:06
not…until
句型的用法,例句
1.如果(主)句中的谓语动词是终止性动词,应采用“...not
...until
...”结构,意为“……到……时候才……”.例如:
you
mustn’t
eat
anything
until
you
see
the
doctor.
看过医生之后,你才能吃东西.
don’t
get
off
the
bus
until
it
has
stopped.
车停稳了以后再下车.
2.如果(主)句中的谓语动词是延续性动词,那么谓语动词用肯定式或否定式,它们所表达的意思有所不同.
1)
如果谓语动词为肯定式,则until译为“到……时候为止”.例如:
i
watched
tv
until
she
came
back.
我看电视一直看到她回来.
2)
如果谓语动词为否定式,则until应译为“到……时候才”,即“在……以前不”.例如:
i
did
not
watch
tv
until
she
came
back.(=
i
began
to
watch
tv
when/after
she
came
back.)
直到她回来我才开始看电视.
3.用终止性动词作谓语时,until既可以和not连用,又可以和never,nobody,nothing,few,
little,seldom,hardly等含否定意义的词连用.例如:
i
had
not
seen
him
until
1990.(=
i
had
never
seen
him
until
1990.)
1990年以前我从未见过他。
don’t
put
off
until
tomorrow
what
you
can
do
today.(=
never
put
off
what
you
can
do
today
till
tomorrow.)
今日事,今日毕。
4.连词until引导的从句中谓语动词的时态。
1)
主句的谓语动词为一般现在时或一般将来时时,until从句中的谓语动词为现在完成时,用来强调从句谓语动词表示的动作发生在主句谓语动词表示的动作之前.试比较:
i
won’t
go
to
bed
until
i
have
finished
my
homework.
我要完成作业才睡觉.
2)
主句中的谓语动词为一般过去时时,从句中的谓语动词为过去完成时,用来强调从句谓语动词的动作发生在主句谓语动词表示的动作之前.试比较:
li
lei
didn’t
come
until
the
film
had
begun.
直到电影开演,李雷才来.
〔特别提醒〕
till和until的意思基本相同,用法也基本一样,但until语气较重,多用于较正式的文体里.till多用于英式英语,until多用于美式英语;
till不能用在句首,也不能用在not开头的短语或从句里,而until可以.例如:
until
he
came
home,we
knew
the
news.
在他到家之前,我们不知道这消息.
not
until
nine
o’clock
yesterday
evening
did
we
finish
the
work.
直到昨晚九点,我们才完成这项工作.
热心网友
时间:2023-05-04 06:07
not…
until直到…才
表达的意思是"直至某时才做某事"。动词为延续性或非延续性都可以。
否定句:
She
didn”t
arrive
until
6
o”clock.
她直到6点才到。
Don”t
get
off
the
bus
until
it
has
stopped.
公共汽车停稳后再下车。
I
didn”t
manage
to
do
it
until
you
had
explained
how.
直到你教我后,我才会做。
否定句可用另外两种句式表示。
(1)Not
until
…在句首,主句用倒装。
Not
until
the
early
years
of
the
19th
century
did
man
know
what
heat
is.
直到19
世纪初,人类才知道热能是什么。
Not
until
I
began
to
work
did
I
realize
how
much
time
I
had
wasted.
直到我开始工作,我才认识到了我已蹉跎了几多岁月。
(2)
It
is
not
until…
that…这是一个强调结构。
It
is
not
until
8
o”clock
that
he
didn·t
do
homework
他直到8点才写作业