sentence If it should snow tomorrow, they couldn't go out. /If-it-should-snow-tomorrow+-they-couldn~t-go-out.= 1

If it should snow tomorrow, they couldn't go out. 英语句型语法分析长句已解锁

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暂无语法

可尝试扩展句子。越复杂的句子,分析结果越丰富。

[[0, 6], [6, 11]]
[]

倒装成分 + 主句,构成倒装结构

这是一个固定搭配。

  • It is certain that if there are fewer people driving, there will be less air pollution.
  • As is reported in the newspapers, talks between the two countries are making progress
  • Should they have patience, they could do the work well.
  • If it should snow tomorrow, they couldn't go out.
  • While I don't like biology, I find it interesting.
  • When the first thunderstorm came, I took my condenser to a shed in the fields where I could do my experiment.
  • If you have any questions or requests, please let me know.
  • As far as I can see, there is only one possible way to keep away from the danger.
  • As has been announced, we shall have our final exams next month.
  • As time went by, I did research into how to make my radio.
[[0, 1], [1, 6]]
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if 引导的状语从句

这是一个固定搭配。

if 引导的条件状语从句

if含义为如果、假如,它引导的从句表示某件事发生所需要的条件,即在…条件下, 某事才能发生,在主句中充当状语,因此称之为条件状语从句

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四大条件句详解

条件句用于表示仅当一个特定条件(在if + 从句中)满足时,主句(不包含if的句子)中的动作才会发生。

通常有如下两种结构:

If + 从句+ , + 主句 + .
主句 + if + 从句 + .
  • If it doesn't rain, we'll go to the park.
  • We'll go to the park if it doesn't rain.
关于逗号
1. 如果if + 从句出现在整句开头,不要忘了在其后添加逗号( , )
2. 如果主句部分出现在整句开头,则无须使用逗号。
(添加逗号是为了避免在书面语中主从句划分异常引起歧义。而if + 从句后置时,if引导词本身就潜在划分功能,所以前面的逗号可以省略)
次序引起的强调
在书面语中,次序引起的强调效果不是特别明显。但在口语中,配合语气强弱,很容易起到强调作用
1. if + 从句在前,强调if + 从句,即强调条件
2. 主句在前,强调主句,即强调结果

英语中一共有四大类条件句,在接下来的小节中,让 Enpuz 为您逐个做详细介绍。

第一条件句
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  • Something terrible must have happened if Li Chang was not coming to eat in his restaurant as he always did.
  • It is certain that if there are fewer people driving, there will be less air pollution.
  • If we know more about what causes the result, we may be able to take measures before it is too late.
  • If things keep progressing at that rate, we'll be rich by next year.
  • If a little rain can ruin the best-laid plans of mice and men, think what an earthquake might do!
  • If you have spare time to visit my hometown, I'd be more than happy to be your guide.
  • If we keep spending so much, before long we'll be without any money.
  • If being ahead of the game is important to you and to your business, lease a mobile phone from us.
  • Act your request out, if you can't say it.
  • If you want to ruin your life and marry Tom, it's all right with me.

if 的其它常用短语:

if not要不if I were ..., 虚拟条件如果我是...
if anything should happen如果有什么会发生be. if you please
if 表语(介词)be. if 表语(介词)
if 表语(副词性介词)be. if 表语(副词性介词)
if 表语(形容词)be. if 表语(形容词)
if 表语(-ed 过去分词)be. if 表语(-ed 过去分词)
if 表语(-ing 现在分词)be. if 表语(-ing 现在分词)
if 表语(名词性副词)be. if 表语(名词性副词)
be. if ...if sth. (,) 主句,构成状语前置结构
分句 1 if 分句 2分句 1 if 分句 2(祈使句)

[[1, 2], [3, 4], [4, 6]]
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It + snows

这是一个陈述句。
sent. 天在下雪

it表示天、天气、老天爷,通常在描述天气的短句中作主语。

拓展学习很多动词存在类似的使用方式,常见的有 It poursIt thundersIt snowsIt drizzlesIt rains,Enpuz 已收录 9 个此类短语,点击详细了解全部。

  • An old guy skiing down hill while it snows.
  • It has snowed recently.
  • A man is holding a briefcase while it snows.
  • Woman riding a snowboard down a mountain, as it snows heavily.
  • A group of guests dine outside while it snows.
  • A white dog plays outside in a fenced yard while it snows.
  • a group of horses and people are watching it snow
  • It snowed last night.
  • she wondered whether it would snow tonight
  • when it snowed they made a coast on the golf course

snow 的其它常用短语:

It snows天在下雪snow in sth.像雪片般地飞来
snow sth. in像雪片般地飞来snow under sth.把...埋在雪里
snow sth. under把...埋在雪里snow sth. under with sth.
snow sth.使雪白

[[8, 9], [9, 11]]
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go + out

这是一个动词固定搭配。
v. 出去, 熄灭, 过时, 辞职, 倒塌, 罢工

  • Hey, man, let's go out and juice up tonight.
  • It went out years ago.
  • Let's go out and sail around before dinner.
  • The fire finally went out.
  • Why don't you dude yourself up so we can go out tonight?
  • Let's face the reality of the situation and go out and get jobs so we can pay our bills.
  • We went out on the town to celebrate our wedding anniversary.
  • Let's go out tonight and crack some suds.
  • She suited herself up and went out on the court.
  • They went out to hang a few on.

go 的其它常用短语:

go out for a walk出去散步go out for sth.出去为...
go out for a picnicgo out for the count
go out from sth.go out in force
go out in search of sth.go out on a limb爬高枝
go out on strike举行罢工go out to sb.
go ahead前进go ahead with sth.继续进行
go along前进go along with sth.陪...一起去
go along with sb. for the ridego along for the ride逢场作戏
go away离开go away for sth.
go away with sth.带走go off进行
go off with sb.go off for sth.
go off by oneself.go off half-cocked发脾气
go off into sth.开始go off on sth.离开接着踏上...
go off to the side with sb.go through经历
go through with sth.做完...go adv.
go straight笔直走go all about sth.
go slow慢慢走go prep. sth.
go 名词性副词,多表示位置、方向、时间go prep. sth. with sth.适合于
go at sth. tooth and nailgo off sth.不再喜欢...
go on sth.进行...go to sth. to do.
go into sth.进入...go 并列介词(或副词)短语
go sth. to sth.go round sth.
go to the hospital去医院go to the school(因事)去学校
go to the bed到床边去go straight down
go to sleep入睡go to the expense of sth.为...花钱


[[2, 3], [3, 6]]
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mod. + do.

这是一个动词短语。

暂无例子
[[2, 3], [3, 6]] [[2, 3], [3, 6]]
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shall/should + do.

这是一个动词短语。

shall、should 的区别

shall

shall是情态助动词,即为主动词提供更多信息。

shall往往涉及必然性(Certainty)必要性(Necessities)主动提议,在时态上指向未来。

  • I shall be there on time. 我会准时到那。
  • You shall pass the exam. 你会通过考试。
  • Shall I close the door? 我需要把门关上吗?
起源

有必要提下shall的起源,以方便区分很多"古怪"的结论。

shall最早起源于 17 世纪(英式英语)

当时它被用来替换will,当主语是第一人称(I, We)时。

这一直接对应转化在现代英语中已经很少见,可以认为已经过时。

反而,在现代英语中,特别是美式英语中,多用will代替shall,如涉及不那么正式、语气不特别强烈的必然性时。

  • I [shall/will] be there on time. 我会准时到那。

当然,shall依然有它的独自的使用场景:

1. 涉及语气强硬必然性、必要性,如带保证、下决心、命令、警告、允诺、威胁。

2. 涉及内容正式必然性、必要性,如规章、法令。

3. 由第一人称发起的带主动提议的疑问句。

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暂无例子
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tomorrow, 名词性副词

这是一个副词短语。
adv. 在明天, 在明日; 未来, 将来

暂无例子
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mod. + do.

这是一个动词短语。

暂无例子
If it should snow tomorrow, they couldn't go out.

这是一个复合句

主句

they couldn't go out.

是一个陈述句, 其时态可以是一般过去时一般过去将来时一般现在时一般将来时

注意!情态动词couldn't在不同场景下可以表示不同的时态。
成份划分
new!beta
they主语 couldn't go out.谓语动词短语(复合结构)

从句

it should snow tomorrow,

这是一个状语从句,其时态可以是一般过去时一般过去将来时一般现在时一般将来时

成份划分
new!beta
it主语 should snow谓语动词(复合结构)
谓语动词的状语、补语、伴随语:
tomorrow,
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