现举一例,选自学生习作(斜体部分是修改过的内容): 原句为: I hope to obtain a one-year grant to do some research work in your department. So I'm writing this letter to you. I am writing to you in the hope of obtaining a one-year grant to do some research work in your department. (用含有动作意味的介词短语来表达动词意义。)