sentence If we were to panic, we would not be able to help. /If-we-were-to-panic+-we-would-not-be-able-to-help.= 1

If we were to panic, we would not be able to help. 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。

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前置状语 + 主句, 构成状语前置结构

这是一个固定搭配。

暂无例子
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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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  • If you keep spending money like that, you'll be broke before you know it.
  • If we know more about what causes the result, we may be able to take measures before it is too late.
  • If we keep spending so much, before long we'll be without any money.
  • If you do that again, I'll beat the pants off of you.
  • If the neighbours do not give any sweets, the children might play a trick on them.
  • If anybody calls, tell them I am out, and ask them to leave their names and addresses.
  • The senator doesn't look too popular just now, but the acid test will be if he gets reelected.
  • If a little rain can ruin the best-laid plans of mice and men, think what an earthquake might do!
  • So as you can imagine, if your skin gets burned it can be very serious.
  • If it should snow tomorrow, they couldn't go out.

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祈使成份 if 分句 1
分句 1 if 分句 2(祈使句)

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be. + to + do. + (sth.)

这是一个动词短语。
v. 打算...(做某事); 必须...; 应该...; 如何...(用在疑问句中)

be to do. 用法归纳

do.表示动词或动词短语,在这里必须以原型形式出现。

所谓动词原型,即动词原先的型态,实际就是动词的现在式,且不进行第三人称单数形式变化。

是原型:doeat

不是原型:doesdiddonedoingeatsateeateneating

be. to do.常见的用法如下:

用来表示对未来的安排
  • Audrey and Jimmy are to be married in June.
  • Two men are to appear in court on charges of armed robbery.
  • The ceremony is to take place in the palace grounds.
被用来表述命令,或者指出一条规则、准则
  • You are to wait here in this room until I return.
  • All staff are to wear uniforms.
用来表示义务性的,应该做,必须做,应该发生
  • What am I to tell her?
  • He is not to be blamed.
  • What are we to do?
更多
  • You are to be congratulated on your wise decision.
用来表示可能的,询问某件事如何去做
  • How am I to know what has become of him?
  • How are we to get out of the present mess?
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be going to do.、be to do. 的区别

be going to do.侧重即将要做什么事, 表是主观打算或一般将来时
  • It is going to rain soon.
  • I’m going to tell Dad what you said.
be to do.侧重计划、安排好的事,或者约定的、职责内的事,表示必然的趋势
  • The boy is to go to school tomorrow.
  • Are we to go on with this work?

  • Our policy is to be very particular, but in practice we don't care that much.
  • The least you can do when you're eating someone's salt is to help them out around the house.
  • We built them up for the challenge they were to face.
  • Bob's mission in life is to make money.
  • All the preparations for the task have been completed, and we are really to start
  • Their job was to go to the hospital.
  • The best way to learn is to learn by doing.
  • The best way to learn to sail is to learn by sailing.
  • The first thing he did after he got married was to get his wife with child.
  • Our policy is to prohibit people from the beach area after dark.

to 的其它常用短语:

to do.,在句子中作主语成份to do., 不定式作主语
be. to be on the safe sidebe. to have a hollow leg
be. to say the leastto sth. (,) 主句,构成状语前置结构
分句 1 to 分句 2祈使成份 to 分句 1
分句 1 to 分句 2(祈使句)

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panic

这是一个动词短语。
vi. 惊慌

暂无例子

panic 的其它常用短语:

panic sth.使恐[惊]慌panic at sth.
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be. + able + to + do. + (sth.)

这是一个固定搭配。
v. 能够..., 有能力..., 胜任...

be able to、can 有何区别

be able tocan都有能够, 可以的意思。多数情况下,两者可以互换的,而存在的细微差别如下。

区别
be able to强调通过努力而获得的能力

can则强调自身已具有的能力。

  • She can sing the song in English. 她能用英语唱这首歌。
  • He will be able to sing this song in English in a few minutes, too. 几小时之后,他也能用英语唱这首歌。
be able to强调一种结果

can只强调一种可能。

  • Luckily, he was able to escape from the big fire in the end. 幸运的是,他终于逃出了大火。
  • If he got here a few hours earlier, I could save him. 要是他早几小时来,我还能救他。
be able to可以有各种时态

can只有一般现在和一般过去两种时态。

  • I could help you last night, but you didn't come. 昨天晚上我能帮你,而你又没来。
  • Can you see it there? 你能看见它在那儿吗?
  • He [is/was/will be] able to help you. 他能帮你的忙。
can可用于表示可能性,推测,允许等情况

be able to没有这些内在含意。

able 详解

表示有能力的, 能干的,可用作表语或定语。

  • He is an able manager. 他是位有能力的经理。
  • He is old but still able. 他虽年老,但仍有很能干。
be able to do. sth.

able通常用于be able to do. sth.结构,其意为能做某事, 会做某事

  • He is able to speak English. 他会说英语。
  • Everyone here is able to type. 这儿的每一个人都会打字。
  • He will be able to get about in a week or two. 再过一两个星期左右他就能走动了。
更多
  • He studied hard and was able to pass his examinations. 他学习很努力,所以考试及了格。
  • Since his accident he hasn't been able to leave the house. 自出事之后,他一直未能离开家。
  • You might be able to persuade him. 你也许能够说服他。
  • I hope to be able to do the work. 我希望能干得了这项工作。
  • I regret not being able to help her. 我很遗憾未能帮助她。

able 与 capable 的区别

ablecapable这两个词都可表示有能力的

区别

able侧重于做事的能力,指超过一般水平的能力。

capable侧重于适应性的能力,指满足于一般要求的能力。

  • He is an able man who you can fall back on. 他是个能千的人,你可以依靠他。
  • What they want to know is whether he is capable of holding that important post. 他们想知道的是他是否有能力保住那一重要职位。

able只用于褒义。

capable既可用于褒义,也可用于贬义。

  • He is the most able man I know. 他是我所认识的最有才干的人。
  • Let me introduce a capable doctor to your parents. 让我来把这位能干的医生介绍给你的父母。

able只用于有生命的入或动物。

capable既可用于有生命的人或动物,也可用于无生命的事物。

  • There are many able students in our institute. 我们学校有许多有才能的学生。
  • Glass, which breaks at a blow, is, nevertheless, capable of with-standing great pressure. 玻璃尽管一击就碎,但却能承受很大的压力。

able后常接动词不定式。

capable后常接of + 动名词

  • Owls are able to see in the dark. 猫头鹰能在黑暗中看见东西。
  • The company was not capable of handling such a large order. 公司没有能力处理这样一大宗订货。

able、capable、competent、qualified 有何区别

ablecapablecompetentqualified等词的意思都包含有能力的

注意! 当前仅对比在该相似语意下的区别
able
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  • I was able to ease on out of the parking space, but only with difficulty.
  • We were able to entice the squirrel into the box with nuts.
  • She was not able to divorce herself from long-held prejudice.
  • I was able to get ahold of the factory and cancel the order.
  • A kindly truck driver came to our assistance, and we were able to call for help.
  • We were able to draw out the information we wanted.
  • So by the 1600's Shakespeare was able to make use of a wider vocabulary than ever before.
  • They were unable to clear themselves of the charges.
  • We were unable to confine the dog within the yard.
  • We were unable to dislodge her from office.

able 的其它常用短语:

be. able for sb. to do. (sth.)有能力做某事able sth.能干的...

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mod. + be. + ...

这是一个动词短语。

  • Organic vegetables are those that are grown without chemicals that can be harmful to human beings or the environment.
  • If we know more about what causes the result, we may be able to take measures before it is too late.
  • Your early reply will be highly appreciated.
  • Hundreds of jobs will be lost if the factory closes
  • Only athletes who have reached the agreed standard for their event will be admitted as competitors.
  • The senator doesn't look too popular just now, but the acid test will be if he gets reelected.
  • It is certain that if there are fewer people driving, there will be less air pollution.
  • It was born in when people created a new festival so that African Americans would be able to celebrate their history and culture.
  • In view of the seriousness of this problem, effective measures should be taken before things get worse.
  • He can be found in his office as a general rule.
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will/would + be.

这是一个动词短语。

will 与 would 有何区别

willwould都是情态动词,用于为主动词提供更多信息。

两者皆可描述未来发生的事,表明意图、可能性等。

  • I will join the expedition.
  • We will meet again in another life.
  • I would like to meet them again.
表示意愿或预测
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暂无例子
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help

这是一个动词短语。
vi. 有用, 有帮助; 起到[缓解/缓和]作用; 提供服务

暂无例子

help 的其它常用短语:

help sth.帮助help forward使人进步
help sb. out sth.help sth. with sth.在...(上)帮助...
help oneself. to sth.自取...help yourself to sth.请自便
a helping hand帮助help sb. out of trouble
help sb. off with sth.help sb. on with sth.帮助某人做某事
help yourself随意拿随意吃help each other互相帮助
help sth. to sth.help oneself.帮助自己
help sb. backhelp sb. down from sth.
help sb. downhelp sb. in sth.
help sb. into sth.help sb. off of sth.
help sb. off sth.help sb. over sth.
help sb. out of sth.help out sb.
help sb. up from sth.help up sb. from sth.
help sb. uphelp up sb.
help do.帮助...(做某事)help explain帮助说明
help out帮助help out with sth.
help along sth.搀扶着前进help sth. along搀扶着前进
help out sth.帮助...解决难题help sth. out帮助...解决难题
help sth. out with sth.帮助...解决...help sb. to do. (sth.)帮助...(某人)...(做某事)
help sb. to (do.)help sth. do. (sth.)帮助...(某人)...(做某事)
help sb. back to sth.帮助某人回到...help sb. get a foothold sp.
help sb. get a footholdhelp sb. get over sth.
help but do.can't help but do.不能不...
help to do. (sth.)帮忙...

翻译:如果我们慌了,我们就无能为力了。
If we were to panic, we would not be able to help.

这是一个复合句

主句

we would not be able to help.

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would在不同语义下所表示的时态是不一样的,当前仅罗列所有可能的时态。
成份划分
new!
we主语 would bebe 动词(复合结构) able to help.表语(形容词)
谓语动词的状语、补语、伴随语:
not

从句

we were to panic,

这是一个状语从句,其时态为一般过去时

成份划分
new!
we主语 werebe 动词 to panic,表语(不定式)
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