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该书电子版可在我另一个帖子里下载 http://forum.chasedream.com/GMAT_SC/thread-522577-1-1.html
p116 提供了五种if then 句型 1 general rule with no certainty 2 general rule with some certainty 3 particular case (in the future)with no certainty 4 unlikely case(in the future) 5 case that never happened (in the past)
没明白这些分类的含义,看了例句也不懂怎么区分这五种。。。特别是第三种情况还有两个句型1)if sb. do sth. ,then sb. will do ...2)if sb. have done sth. , then sb. will do... 为什么从句是do 和have done时,主句都是will do?
请大家帮忙解答下,谢谢~~~ |
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