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If he were to leave today,he would get there by Monday.这是英语虚

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/22 00:28:23
If he were to leave today,he would get there by Monday.这是英语虚拟语气教材中的一句话.
可是我不明白为什么这里用to leave,是因为前边的were 如果这样的话,为什么不直接用If he leave?还是说虚拟语气中的leave的用法呢?
虚拟语气的if 条件句里的 将来时,是 be to 的形式;又由于虚拟事态if句中 没有单数be动词,所以是were. 所以是 if he were to