雅思写作语法之虚拟语气如何使用

　　雅思写作中，正确的使用多样化的句式有利于写作获取高分。在这些句式中，虚拟语气的使用是个具有挑战性的语法点，熟练使用虚拟语气可以使作文句式呈现层次性。下面新东方雅思小编为大家汇总了虚拟语气的使用方法。

　　1.If sb had done sth(坏事), sb would never have done sth(好事).

　　如果某人过去做了某事(坏事)，那么他永远不可能做某事

　　If Hugh Miller, after toiling all day in quarry (采石场), had devoted hisevenings to rest and recreation, he would never have become a famousgeologist.

　　2.Sb would never have done sth(好事1) , never have done sth (好事2), if sb haddone sth (坏事)

　　某人永远不可能做某事， 永远不可能做某事， 如果某人过去做了某件坏事

　　The celebrated mathematician, Edmund Stone, would never have published amathematical dictionary, never have found the key to science of mathematics, ifhe had given his spare moments to idleness.

　　3.Had sb done sth(坏事) ， sb would never have done sth (好事)

　　如果某人过去做了某件坏事，而不是去做某件好事，那么他永远不可能做某事(好事)

　　Had the little Scotch lad, Ferguson, allowed the busy brain to go to sleepwhile he tended sheep on the hillside, instead of calculating the position ofthe stars by a string of beads, he would never have become a famousastronomer.

　　对以上几个虚拟语气的应用范文

　　Group discussion Google

　　If Google had ignored the importance of group discussion, this high-techcompany would never have achieved today's stunning success.

　　(If sb had done sth, he would never have done sth)

　　Google, a once obscure, ailing / fragile company, would never have achievedtoday's stunning success, never have conquered so big a market share, if it hadignored the importance of group discussion.

　　(sb would never have done sth , never have done sth , if sb had donesth)

　　Had Google , a once small , obscure company , ignored the importance ofgroup discussion ，the hi-tech tycoon would never , never have harvested today'soverwhelming success . (压倒性的成功)