2015年职称英语考试备战已经开始了，这是小编整理的一些常见的语法，希望对您能有所帮助。滴水穿石，磨杵成针。每天进步一点，积累下来便是巨大的进步。
If it were not for ……
结构︰if it were not for＋名词/子句，主词＋would/should等＋原形动词…
说明︰此句型意为“若非（有）…”。此类句构专门用于表示与现在事实相反的。亦可用“but for＋”或“without＋”代替。were可以提前，省略if。
If it were not for his presence,I would punish you.要不是他在场，我会处罚你的。
But for your advice,I should have failed.要不是你的忠告，我会失败的。
But for music(=Were it not for music),life would be dull.要不是音乐，人生会很无聊。
If it were not for oxygen and nitrogen in the air,no man could live on the earth.
大气中如果没有氧和氮，人就无法生存于地球了。
责任编辑：Hotshot
2015年职称英语考试备战已经开始了，这是小编整理的一些常见的语法，希望对您能有所帮助。滴水穿石，磨杵成针。每天进步一点，积累下来便是巨大的进步。
If it were not for ……
结构︰if it were not for＋名词/子句，主词＋would/should等＋原形动词…
说明︰此句型意为“若非（有）…”。此类句构专门用于表示与现在事实相反的。亦可用“but for＋”或“without＋”代替。were可以提前，省略if。
If it were not for his presence,I would punish you.要不是他在场，我会处罚你的。
But for your advice,I should have failed.要不是你的忠告，我会失败的。
But for music(=Were it not for music),life would be dull.要不是音乐，人生会很无聊。
If it were not for oxygen and nitrogen in the air,no man could live on the earth.
大气中如果没有氧和氮，人就无法生存于地球了。
责任编辑：Hotshot