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一道SAT的语法题(Ifwehave)knowledgeofthefuture,ourliveswouldbemorepredictablebutlessinteresting.答案是Werewetohave,为什么不能用Ifwewouldhave?

题目详情
一道SAT的语法题
(If we have) knowledge of the future,our lives would be more predictable but less interesting.答案是Were we to have,为什么不能用If we would have?
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答案和解析
用were表示虚拟语气.例如,if I were a bird,假如我是一只小鸟.