I often write to him.和I write often to him.和I write to him often.有什么区别

问题描述:

I often write to him.和I write often to him.和I write to him often.有什么区别

第一句是正确的,表示“我经常写信给他”
第二句和第三句不通.
不过第二句有个例外,当often为斜体时,可能在某个特定语境下表示“我写了often这个词给他”.