关于虚拟语气的 .All matter,whether it ____ gas,liquid or solid,is made up of atoms.A be B was C will be D were 想问一下为什么这里是选动词原形BE?提示一下是什么语法谢谢

关于虚拟语气的 .All matter,whether it ____ gas,liquid or solid,is made up of atoms.A be B was C will be D were 想问一下为什么这里是选动词原形BE?提示一下是什么语法谢谢
关于虚拟语气的 .
All matter,whether it ____ gas,liquid or solid,is made up of atoms.
A be B was C will be D were
想问一下为什么这里是选动词原形BE?提示一下是什么语法谢谢

关于虚拟语气的 .All matter,whether it ____ gas,liquid or solid,is made up of atoms.A be B was C will be D were 想问一下为什么这里是选动词原形BE?提示一下是什么语法谢谢
whether后边的虚拟语气的用法
它省略了should
完整的句子应该是whether it should be

省略了情态动词should
所以应用原型啊
All matter,whether it （should) be gas,liquid or solid,is made up of atoms.
1、真实条件状语从句与非真实条件状语从句
eg .
If he doesn’t hurry up, he will miss the bus. ( 真实条件...

全部展开

省略了情态动词should
所以应用原型啊
All matter,whether it （should) be gas,liquid or solid,is made up of atoms.
1、真实条件状语从句与非真实条件状语从句
eg .
If he doesn’t hurry up, he will miss the bus. ( 真实条件状语)（不是虚拟语气）
If he was free, he would ask me to tell stories. （真实条件状语）（不是虚拟语气）
If I were you, I would go at once. （非真实条件状语从句）
If there were no air, people would die. （非真实条件状语从句）
总结就是 四个字：主将从现，主句用将来时，从句用一般现在时。
2、虚拟语气在非真实条件状语从句中的用法及动词形式
① 表示与现在事实相反的情况
（条件）从句谓语动词形式 主句谓语动词形式
谓语动词用一般过去式
（be用were） should/would/could/might+动词原形（过去将来时）
eg.
If I were you, I would take an umbrella.如果我是你，我会带把伞。（事实：我不可能是你）
If I knew his telephone number, I would tell you. 如果我知道他的电话号码，我就会告诉你。（事实：不知道）
If there were no air or water, there would be no living things on the earth. 如果没有水和空气，地球上就不会有生物。(事实：地球上既有空气也有水)
If I had any money with me, I could lend you some. 如果我带钱了，我就会借给你些。（事实：没带钱）
If he studied harder, he might pass the exam.如果他再努力些，就能通过考试了。（事实：学习不用功）
②表示与过去事实相反的情况
从句谓语动词形式 主句谓语动词形式
had+过去分词（过去完成时） should/would/could/might+
have+过去分词（现在完成将来时）（过去将来完成时）

eg. If I had got there earlier, I should/could have met her. 如果我早到那儿，我就会见到她。（事实：去晚了）
If he had taken my advice, he would not have made such a mistake. 如果他听我的劝告的话，就不会犯这样的错误了。（事实：没有听我的话）
③表示对将来情况的主观推测（可能相反或可能性很小）

从句 主语 例句
If+主语+ ① should+动词
② did
③were to do
(①通常与一个表示时间状语连用)其 中were to do可能性最小，
should/would/
could/might+动词原形
If it rained tomorrow our picnic would be put off.

万一那天下雨，我们的郊游
就推迟。


eg.If he would come here tomorrow, I should/would talk to him. 如果他哪天来这儿的话，我就跟他谈谈。（事实：来的可能性很小）
If there were a heavy snow next Sunday, we would not go skating. 如果下周日下大雪，我们就不能去滑冰了。（事实：不知能否下雪）
If she were to be there next Monday, I would tell her about the matter. 如果她下周一来这儿的话，我就会告诉她这件事得始末。
在表示建议、命令、要求等含义的宾语从句，谓语动词常用虚拟语气，"should＋动词原形"构成，should 可省略。

收起

虚拟语气在某些从句中的应用.
A) 在wish, suggest, order, demand, propose, command, request, recommend, require, decide, insist, desire, urge等动词的宾语从句以及would rather /sooner 后要用 “ (should) +动词原形” 来表示愿望,建议, 命令,要求...

全部展开

虚拟语气在某些从句中的应用.
A) 在wish, suggest, order, demand, propose, command, request, recommend, require, decide, insist, desire, urge等动词的宾语从句以及would rather /sooner 后要用 “ (should) +动词原形” 来表示愿望,建议, 命令,要求等; 由上述动词派生或转化的名词suggestion, proposal, plan, motion, recommendation, demand, order, desire, request, requirement, insistence, advice, decision , obligatory 义不容辞的, 必须的 等的同位语从句或表语从句中也要用相应的虚拟形式.
Eg.
B) 在It is/was + 某些形容词 + that 从句的句型中,that从句中的谓语动词常用虚拟语气,即 “should + 动词原形”
这些形容词有:
important, necessary, essential, imperative, natural, strange, advisable, desirable, possible, probable, astonishing, surprising, desired, suggested, requested, recommended, ordered, proposed, decided, moved等.
“ should + 动词原形(或完成形式)” 可表示惊奇,遗憾,怀疑,不满等.
ⅰ. 用于expect, believe, think, suspect 等动词的否定或疑问形式后的宾语从句中.
Eg. I never expected that the new apartment should be so small.
ⅱ. 用于 “It is a pity, it is a shame, it is no wonder 等 + that” 等结构后的主语从句中.
Eg. It is a pity that he should be so careless.
C) 在由for fear that, in case, lest 等引导的状语从句中,用 “ should + 动词原形” 表示 “惟恐”的意思.
Eg. He handled the instrument with care for fear that it should be damaged.
D) 在 “ It is (about/ high ) time + that (从句)” 中,谓语动词常用过去式表表示虚拟语气.
Eg. It is high time that people learnt English.
E) 在 “as if/ as though” 引导的状语从句中,谓语动词与wish的宾语从句的虚拟形式相同.
Eg. He works with such enthusiasm as if he never knew fatigue.
He speaks English as though he were an American.
F) 在 look, seem等动词后的 “as if / as though”从句中,当表示真实情况时,用陈述语气; 否则,用虚拟语气.
Eg. It seems as if they know each other. (真实情况)
It seems as though it were already spring. (虚拟语气)
G) 用在if only 引起的感叹句中.
Eg. If only the driver didn’t drive so fast!

收起

省略了情态动词should
所以应用原型啊
All matter,whether it （should) be gas,liquid or solid,is made up of atoms.
1、真实条件状语从句与非真实条件状语从句
eg .
If he doesn’t hurry up, he will miss the bus. ( 真实条件...

全部展开

省略了情态动词should
所以应用原型啊
All matter,whether it （should) be gas,liquid or solid,is made up of atoms.
1、真实条件状语从句与非真实条件状语从句
eg .
If he doesn’t hurry up, he will miss the bus. ( 真实条件状语)（不是虚拟语气）
If he was free, he would ask me to tell stories. （真实条件状语）（不是虚拟语气）
If I were you, I would go at once. （非真实条件状语从句）
If there were no air, people would die. （非真实条件状语从句）
总结就是 四个字：主将从现，主句用将来时，从句用一般现在时。
2、虚拟语气在非真实条件状语从句中的用法及动词形式
① 表示与现在事实相反的情况
（条件）从句谓语动词形式 主句谓语动词形式
谓语动词用一般过去式
（be用were） should/would/could/might+动词原形（过去将来时）
eg.
If I were you, I would take an umbrella.如果我是你，我会带把伞。（事实：我不可能是你）
If I knew his telephone number, I would tell you. 如果我知道他的电话号码，我就会告诉你。（事实：不知道）
If there were no air or water, there would be no living things on the earth. 如果没有水和空气，地球上就不会有生物。(事实：地球上既有空气也有水)
If I had any money with me, I could lend you some. 如果我带钱了，我就会借给你些。（事实：没带钱）
If he studied harder, he might pass the exam.如果他再努力些，就能通过考试了。（事实：学习不用功）
②表示与过去事实相反的情况
从句谓语动词形式 主句谓语动词形式
had+过去分词（过去完成时） should/would/could/might+
have+过去分词（现在完成将来时）（过去将来完成时）

eg. If I had got there earlier, I should/could have met her. 如果我早到那儿，我就会见到她。（事实：去晚了）
If he had taken my advice, he would not have made such a mistake. 如果他听我的劝告的话，就不会犯这样的错误了。（事实：没有听我的话）
③表示对将来情况的主观推测（可能相反或可能性很小）

从句 主语 例句
If+主语+ ① should+动词
② did
③were to do
(①通常与一个表示时间状语连用)其 中were to do可能性最小，
should/would/
could/might+动词原形
If it rained tomorrow our picnic would be put off.

万一那天下雨，我们的郊游
就推迟。


eg.If he would come here tomorrow, I should/would talk to him. 如果他哪天来这儿的话，我就跟他谈谈。（事实：来的可能性很小）
If there were a heavy snow next Sunday, we would not go skating. 如果下周日下大雪，我们就不能去滑冰了。（事实：不知能否下雪）
If she were to be there next Monday, I would tell her about the matter. 如果她下周一来这儿的话，我就会告诉她这件事得始末。
在表示建议、命令、要求等含义的宾语从句，谓语动词常用虚拟语气，"should＋动词原形"构成，should 可省略。
虚拟语气在某些从句中的应用.
A) 在wish, suggest, order, demand, propose, command, request, recommend, require, decide, insist, desire, urge等动词的宾语从句以及would rather /sooner 后要用 “ (should) +动词原形” 来表示愿望,建议, 命令,要求等; 由上述动词派生或转化的名词suggestion, proposal, plan, motion, recommendation, demand, order, desire, request, requirement, insistence, advice, decision , obligatory 义不容辞的, 必须的 等的同位语从句或表语从句中也要用相应的虚拟形式.
Eg.
B) 在It is/was + 某些形容词 + that 从句的句型中,that从句中的谓语动词常用虚拟语气,即 “should + 动词原形”
这些形容词有:
important, necessary, essential, imperative, natural, strange, advisable, desirable, possible, probable, astonishing, surprising, desired, suggested, requested, recommended, ordered, proposed, decided, moved等.
“ should + 动词原形(或完成形式)” 可表示惊奇,遗憾,怀疑,不满等.
ⅰ. 用于expect, believe, think, suspect 等动词的否定或疑问形式后的宾语从句中.
Eg. I never expected that the new apartment should be so small.
ⅱ. 用于 “It is a pity, it is a shame, it is no wonder 等 + that” 等结构后的主语从句中.
Eg. It is a pity that he should be so careless.
C) 在由for fear that, in case, lest 等引导的状语从句中,用 “ should + 动词原形” 表示 “惟恐”的意思.
Eg. He handled the instrument with care for fear that it should be damaged.
D) 在 “ It is (about/ high ) time + that (从句)” 中,谓语动词常用过去式表表示虚拟语气.
Eg. It is high time that people learnt English.
E) 在 “as if/ as though” 引导的状语从句中,谓语动词与wish的宾语从句的虚拟形式相同.
Eg. He works with such enthusiasm as if he never knew fatigue.
He speaks English as though he were an American.
F) 在 look, seem等动词后的 “as if / as though”从句中,当表示真实情况时,用陈述语气; 否则,用虚拟语气.
Eg. It seems as if they know each other. (真实情况)
It seems as though it were already spring. (虚拟语气)
G) 用在if only 引起的感叹句中.
Eg. If only the driver didn’t drive so fast!

收起