灵鹊做题网by the time(语法)
来源：学生作业帮 编辑：灵鹊做题网作业帮 分类：英语作业 时间：2024/06/16 19:00:16
by the time主句用什么时态,从句用什么时态(两种形式）
解题思路： 如下
解题过程：
by the time 的意思是“到...的时候”，与by the time 连用的句子应该用什么时态，主要是看这个时间点发生在过去还是现在或将来。
如果从句用过去时，那么主句用过去完成时 。 例如：
By the time I received his letter, he had left Shanghai.我收到他信时，他已经离开上海了
By the time I got to school, the class had already began.我到校时，已经开始上课了。
如果从句用一般现在时，那么主句用现在完成时或将来完成时 。例如：
By the time he gets there , his father has already gone.他到家的时候，他爸爸已经走了。
By the time the Olympic Games start, we will have finished the construction.
最终答案：略
解题过程：
by the time 的意思是“到...的时候”，与by the time 连用的句子应该用什么时态，主要是看这个时间点发生在过去还是现在或将来。
如果从句用过去时，那么主句用过去完成时 。 例如：
By the time I received his letter, he had left Shanghai.我收到他信时，他已经离开上海了
By the time I got to school, the class had already began.我到校时，已经开始上课了。
如果从句用一般现在时，那么主句用现在完成时或将来完成时 。例如：
By the time he gets there , his father has already gone.他到家的时候，他爸爸已经走了。
By the time the Olympic Games start, we will have finished the construction.
最终答案：略
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