When someone knocked at the door,I was having dinner.可不可以把when放在I的前面呀?这样意思也一样?
问题描述：
When someone knocked at the door,I was having dinner.可不可以把when放在I的前面呀?这样意思也一样?
答
不行，when后面要跟一般过去式，I前面可以加while，但要去掉when、
谢谢
答
Someone knocked at the door when I was having dinner.
答
都可以, 只是意思的侧重点不同, 强调的当然是主句内容.
When（当.时候） someone knocked at the door, I was having dinner.
有人敲门的时候, 我当时在吃晚饭
someone knocked at the door when I was having dinner.
我在吃晚饭的时候, 有人敲门.
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答
差不多，因为两者是同时发生的，没有先后