条件句

These conditional sentences have two parts: the condition, or si clause

条件句分为两部分：条件，或称si从句，和主句或称结果从句

As she uses the first conditional that shows probability.

这两句话的含义，可知条件句的使用并不能使谈话的内容更加清楚。

The two clauses can be reversed in a conditional sentence with no change in meaning .

在条件句中两个分句可以颠倒而句意不变。

Logic The conclusion, as of a syllogism or a conditional sentence.

结论：结论，如三段论中的推断或条件句中的结论句

"It follows that whenever p is false, p q is automatically true: this is a peculiarity that makes the material conditional inadequate as an interpretation of the meaning of conditional sentence s in ordinary English."

其所遵循的规则是：一但p为非，pq自动为真。这是让实质条件不足以诠释普通英文条件句的一个特性。

The auxiliary forms ofneed are used primarily in present-tense questions, negations, and conditional clauses.

Need 的助动词形式主要用于现在时态的疑问句、否定句和条件句中。

If you take a boat trip, you will be fascinated by the oddly-shaped hills and peaks along the river and also their reflections in the clear water.

凡是"祈使句＋and/or＋一个分句"都可以改写成含有if条件句的复合句形式。

If there is one thing in which the citizens of all part of the country have an interest, it is in the decencies education of the citizens of all parts of the country.

选自2003年6月六级真题阅读理解本句考查的是由if引导的条件状语从句。其中if条件句中包含一个含有介词的定语从句in 三。

The English language would not have been what it is if the English had not been for centuries great respecters of the liberties of each individual and if everybody had not been free to strike out new paths for himself.

如果不是多少世纪以来英国人一直崇尚个人自由，如果不是人人都为自己开辟新的发展道路，英语就不会成为今天的英语。这句话用了虚拟语气，由两个if引导的并列的非真实条件句，对过去发生的情况进行假设。

There are many kinds of conditional sentences while "If" conditionals are the broadest sytactic frame of conditionals.

条件句的种类很多，&If&条件句是其句法结构上最具代表性的一种。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。