only if和if only的区别？

only if和if only的区别？

only if和if only的区别如下：

1、only if：只有、除非,意思相当于unless,但用于肯定句,引导条件状语从句。If only：只要,引导条件状语从句：If only it clears up,well go.只要天一放晴,我们就走。要是……就好了,引导独立句：If only you had won the game!你要是赢了该多好啊。

2、Only if 用于句首，用倒装语序，Only if a teacher has given permission is a student allowed to enter this room. 只有得到老师的允许，学生才能进入这间教室。

3、if only： 但愿，表示对现在和将来的愿望，或与过去事实相反的愿望。 If only it would stop raining 真希望雨能停。

4、if only后面跟的是虚拟语气的句子，表示与事实相反的假设。If only I had more money, I could buy some new clothes. 要是我有更多的钱，我可以买些新衣服。If only he had arrived in time. 要是他能及时赶到就好了。

5、only if后面跟条件状语从句，用陈述语气，后面用部分倒装句，be动词、助动词和情态动词放在主语之前，表示一种充分非必要条件，意思是只要。Only if you passed the entrance exam and became a college student, will I accept you as a friend.只要你通过高考，成为大学生，我就会认你为朋友。

关于青年的英语高考作文？

Youth comes only once in a lifetime, therefore, it is important that we should not waste those years in idleness and bad living.

　　This is also the time when our memories are best.We are able to learn more during this time than when we become older. During our younger years, we have the enthusiasm to set high goals for ourselves. We also try to overcome obstacles which are placed in our way.

　　If we realize how precious youth is, we will be fulfilled when we are young as well as when we are older. If we waste our youth, we will spend the rest of our lives wishing we could be young again.

到此，以上就是小编对于高考if的问题就介绍到这了，希望介绍关于高考if的2点解答对大家有用。