if开头的句子
『壹』 IF开头英语句子 3句例句
If 可以引导宾语从句表示“是否”的含义，也可以引导条件状语从句表示“如果”的含义。你要问时态的话那就要搞清楚它在引导条件状语从句时所用的虚拟语气的问题了。
a. 与现在事实相反的假设
条件从句 主句
一般过去时（be用were） should（would）等 +动词原形
例如：If they were here, they would help you. 如果他们在这儿，会帮助你的。
含义：They are not here, they can’t help you.
b. 与过去事实相反的假设
条件从句 主句
过去完成时 should（would）等+ have+ 过去分词
例如：If he had come yesterday, I should / would have told him about it.如果他昨天来的话，我会把这件事告诉他的。
含义：He did not come yesterday, so I did not tell him about it.
c. 表示对将来不大可能发生的事情的假想
条件从句 主句
一般过去时 should/would等 + 动词原形
were+ 不定式
should+ 动词原形
例如：If you succeeded, everything would be all right. 如果你将来成功了，一切都会好的。
If you should succeed, everything would be all right.
If you were to succeed, everything would be all right.
含义：You are not likely to succeed, everything will be what it is now.
『贰』 主将从现if开头的句子加翻译
If it rains tomorrow, we'll stay at home.假如明天下雨，我们就呆在家里。出自英汉大词典
请采纳。
『叁』 以if开头的英语句子10句
a. 与现在事实相反的假设
条件从句 主句
一般过去时（be用were） should（would）等 +动词原形
例如：If they were here, they would help you. 如果他们在这儿，会帮助你的。
含义：They are not here, they can’t help you.
b. 与过去事实相反的假设
条件从句 主句
过去完成时 should（would）等+ have+ 过去分词
例如：If he had come yesterday, I should / would have told him about it.如果他昨天来的话，我会把这件事告诉他的。
含义：He did not come yesterday, so I did not tell him about it.
c. 表示对将来不大可能发生的事情的假想
条件从句 主句
一般过去时 should/would等 + 动词原形
were+ 不定式
should+ 动词原形
例如：If you succeeded, everything would be all right. 如果你将来成功了，一切都会好的。
If you should succeed, everything would be all right.
If you were to succeed, everything would be all right.
含义：You are not likely to succeed, everything will be what it is now.
『肆』 vb中if语句开头的问题
首先，你写的那条IF 里面的条件不能做到G=1 到15里面的数
不相信自己运行下。
if G>=1 AND g<=15 and G=INT(g) THEN
其中内G=INT(g)是用来判断是否为整数。容因为在1-15之间可能存在小数也符合G>=1 AND g<=15 这个条件。
『伍』 英语中用if开头的句子结构 就是用if开头句子的将来时和过去时的句子的结构
If 可以引导宾语从句表示“是否”的含义,也可以引导条件状语从句表示“如果”的含义.你要问时态的话那就要搞清楚它在引导条件状语从句时所用的虚拟语气的问题了.
a.与现在事实相反的假设
条件从句 主句
一般过去时（be用were） should（would）等 +动词原形
例如：If they were here,they would help you.如果他们在这儿,
含义：They are not here,they can’t help you.
b.与过去事实相反的假设
条件从句 主句
过去完成时 should（would）等+ have+ 过去分词
例如：If he had come yesterday,I should / would have told him about it.如果他昨天来的话,我会把这件事告诉他的.
含义：He did not come yesterday,so I did not tell him about it.
c.表示对将来不大可能发生的事情的假想
条件从句 主句
一般过去时 should/would等 + 动词原形
were+ 不定式
should+ 动词原形
例如：If you succeeded,everything would be all right.如果你将来成功了,一切都会好的.
If you should succeed,everything would be all right.
If you were to succeed,everything would be all right.
含义：You are not likely to succeed,everything will be what it is now.
『陆』 if开头的句子应该用什么时态
一般来说
if后面跟的从句用一般现在时
主句用将来时
例如
If
it
rains
tomorrow,
we
will
not
go
to
the
park.
如果在文章中整篇是过去时，分别相应的变成一般过去时
过去将来时
『柒』 用5个if you开头的英语句子
if you have a dream ,you can win.
if you work hard ,you can be the first.
if you love me ,please tell me.
if you go outside ,please turn off the lights.
if you are happy ,let me know.
『捌』 if的句子是什么句子
句抄型： 条件从句 主句
一般现在时 shall/will + 动词原形
非真实条件句
1）时态：可以表示过去,现在和将来的情况.它的基本特点是时态退后.
同现在事实相反的假设.
句型 ： 条件从句 主句
一般过去时 should( would) +动词原形
If they were here, they would help you.
b. 表示于过去事实相反的假设.
『玖』 If 开头的句子 改为倒装句怎么改谢谢
那么倒装句改为：
Had you listened to the parent’s then,
things would be different now.