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在英语虚拟语气中,当表达与将来事实相反或将来不太可能发生的情况时,从句(条件句)的谓语动词可以通过以下三种形式体现假设性: 过去式(如:took, went) should + 动词原形(如:should take, should go) were to + 动词原形(如:were to take, were to go)