sentence I happened to be upstairs at dusk when the window was open. /I-happened-to-be-upstairs-at-dusk-when-the-window-was-open.= 1

I happened to be upstairs at dusk when the window was open. 英语句型语法分析长句已解锁

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可尝试扩展句子。越复杂的句子,分析结果越丰富。

[[0, 7], [7, 13]]
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句子 + 状语,构成状语后置结构

这是一个固定搭配。

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[[1, 2], [2, 3], [3, 7]]
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happen + to + do. + (sth.)

这是一个动词固定搭配。
v. 碰巧...

chance、happen、occur、take place 有何区别

chancehappenoccurtake place都含发生的意思。

注意! 当前仅对比在该相似语意下的区别
happen
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  • we just didn't happen to meet Paul
  • I just happened to remember her name
  • The Little Hoover Commission happened to examine how effectively MHSA funds are being used.
  • The Golans did not happen to answer their phone.
  • I don't happen to have your application at hand at the moment.
  • I happened to encounter Miss Kenton in the back corridor
  • Not many speakers and writers happened to confirm their message.
  • Mel B had happened to be a judge on X-Factor.
  • We just happened to light upon this idea as we were talking to each other.
  • The man painted the picture of a boy that happened to be his grandson.

happen 的其它常用短语:

happen to, 其中 to 为 to do. 不定式省略动词部分happen before one's time
happen in the very nick of timehappen in the nick of time
happen sohappen not
happen on sth.偶然遇见happen upon sth.巧遇
happen to sth.碰巧

[[3, 4], [4, 5], [5, 6], [6, 7]]
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be. + 副词性介词

这是一个固定搭配。

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[[4, 5]]
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upstairs

这是一个副词短语。
adv. 在楼上, 向楼上, 处于更高地位

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[[5, 6], [6, 7]] [[5, 6], [6, 7]]
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at + dusk

这是一个介词短语。
prep. 黄昏时刻
dusk
n. 薄暮, 傍晚, 黄昏

at、in、on 在表示时间时的区别

atinon皆可用于表示时间。

at用于表示时间点(时刻)

in用于表示除日期以外的时间段

on用于表示日期或和日期联用的时间段

at
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  • A guy is doing a bicycle trick in the air at dusk .
  • A man is fishing in the ocean at dusk .
  • Two men standing on the shore beside their kayaks at dusk .
  • Two people are jogging around a blue track at dusk .
  • The man stood waiting for the moon on a hill at dusk .
  • People are outside at dusk .
  • traveling down a river at dusk
  • A man stands at dusk on an almost-pristine, snowy road, lit only by headlights.
  • Two toddler boys sharing a baby swing at dusk .
  • An old world town with filled streets at dusk .
[[7, 8], [8, 13]]
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when 引导的状语从句

这是一个状语结构。

when、while、as 有何区别

三者都可表示当...时候

若主句表示的是一个短暂性动作,从句表示的是一个持续性动作,三者皆可用:

  • He fell asleep when/while/as he was reading. 他看书时睡着了。

在其它情况下,它们之间存在着些许差异:

注意! 所有差别实际是将语感文字化,以解释现象的原因。对于初学者来说,培养语感更加重要,无需刻意记忆。
as语义非常丰富,此处只对比类似语义下的差异。
若主、从句表示两个同时进行的持续性动作,且强调主句表示的动作延续到从句所指的整个时间
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  • We were moving along at a good clip when a state trooper stopped us.
  • When the first thunderstorm came, I took my condenser to a shed in the fields where I could do my experiment.
  • He became inspired when he thought about helping ordinary people.
  • That guy is a real ball of fire when it comes to sales.
  • The children are taught at an early age what to do when they come to the city.
  • It was four o'clock in the afternoon when he and his grandpa reached the museum in Guanghan.
  • I'll be glad when this day is over, and that's a fact.
  • The reporter said that the UFO was traveling east to west when he saw it
  • When they were served the ice cream, Yong Hui began to look ill.
  • When the warm breeze is blowing, I am at peace.

when 的其它常用短语:

when one's ship comes in当发财的时候when the fat hit the fire
when the shit hits the fan当事情出岔子时when 表语(介词)
be. when 表语(介词)when 表语(副词性介词)
be. when 表语(副词性介词)when 表语(形容词)
be. when 表语(形容词)when 表语(-ed 过去分词)
be. when 表语(-ed 过去分词)when 表语(-ing 现在分词)
be. when 表语(-ing 现在分词)when 表语(名词性副词)
be. when 表语(名词性副词)be. when ...
when to do.


[[9, 10]]
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window

这是一个名词短语。
n. 窗户, 窗子, 窗口

当前window可数。


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open

这是一个形容词短语。
adj. 开着的, 开放的; 开阔的; 营业着的; 公开的; 悬而未决的, 正在考虑的; 无遮盖的; 不密封的; 未[包裹/封装]的; 疏的; 空缺的; 空闲的; 无管制的; 设防的; 不加掩饰的, 公然的; 外露的, 裸露的; 脆弱的; 易受伤的; 坦诚的; 慷慨大方的; (气候)温和的; (河道)不冻的; (车票/机票)不限定日期的

candid、frank、open、outspoken 有何区别

candidfrankopenoutspoken等词的意思都包含坦率的; 敢于说出自己想法或感觉的

注意! 当前仅对比在该相似语意下的区别
frank
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暂无例子

open 的其它常用短语:

be. open to sth.对...开放open sth.开着的...
翻译:在黄昏当窗户开着的时候,我碰巧就在楼上。
I happened to be upstairs at dusk when the window was open.

这是一个复合句

主句

I happened to be upstairs at dusk

是一个陈述句,其时态为一般过去时

成份划分
new!beta
I主语 happened {to do.}谓语动词短语 to be upstairs ••• duskto do.

从句

the window was open.

这是一个状语从句,其时态为一般过去时

成份划分
new!beta
the window主语 wasbe 动词 open.表语(形容词)

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