关于if的2个句子!

if it rained tomorrow,what would you do?
if it rains tomorrow,what will you do?

这2句同样是if引导的,有什么区别吗?
2句话的含义没区别吗?

If it rained tomorrow,what would you do?
这句是虚拟语气。rain用的过去时rained,will用的would。

虚拟语气表示的是与现实相反的想象中的情景的语法结构。
结构;

与现在事实相反:
if + V.ed(动词过去时)+宾语(表语),主语+ would + V.(原型)

与过去事实相反:
If + had + V.ed过去完成时 + 宾语,主句 + would(should,could might)+ have + 动词原形+其他

与将来事实相反:
if + V.ed(过去时) + 主句 + would +其他。
should V.(原型)
were(不能是was)to do
(三种用法)
另外:would可换为:should,could,might.

我给的例句:
1.If you had much money , what would you do ?(与现在事实相反)
2.If you had had time yesterday , I would have cleaned my room.(于过去事实相反)
3.If I were to play, +I would go to park.(与将来事实相反)
should play,
played

If it rains tomorrow,what will you do?
这个句子是个简单的句子。If条件从句中用一般现在时,主句中用将来是。叫做:主将从现的用法。

是一般疑问句的基本用法之一。一般现在时除了可以表现一般状态的情景以外,还可以表示将来的,但是要注意是已经计划好的,不然就用将来时。第3,还可以表示你问的句子这种,主将从现。

楼主,以上都是我根据我的英语笔记自己写的,绝非网页的复制粘贴。希望对你有帮助。
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第1个回答  2007-10-09
没有什么根本的区别,都是时间状语从句,只不过是因为两个的时态不一样,所以用了 will would两个不同的词,不过would 是will的过去式,所以用在过去时.
两个句子都是主将从现
第2个回答  2007-10-14
第一句是虚拟语气
第二句就是一般的if从句

用虚拟时,假设基本是不可能发生的
第3个回答  2007-10-11
例句:
1.If you had much money , what would you do ?(与现在事实相反)
2.If you had had time yesterday , I would have cleaned my room.(于过去事实相反)
3.If I were to play, +I would go to park.(与将来事实相反)
should play,
played
第4个回答  2007-10-09
这是我找的
第一句是虚拟语气
第二句就是一般的if从句

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