There was a time when parents who wanted ……为什么要用 when

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/16 05:03:24

There was a time when parents who wanted ……为什么要用 when
There was a time when parents who wanted an educational present for their children would buy a typewriter,a globe or an encyclopedia set.

关系副词 when引导定语从句（包括限定性定语从句和非限定性定语从句）修饰表示时间的先行词,在定语从句中充当时间状语.例如：
I still remember the day when I first met Jennifer.我仍然记得第一次见到詹妮弗的那一天.
Next month,when you’ll spend your summer holidays in your hometown,is approaching.下个月即将来临,届时你们将在家乡度暑假.
再问：这个我知道，可不可以根据这句话具体分析一下，我老觉得那个不是在表时间
再答：就是说，曾经有那么一个时期，什么时候呢，就是父母会给孩子买打字机，地球仪，百科全书等有教育意义的礼物的时期。

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