one’s + V-ing ...
說明︰動名詞之意義上的主詞是放在動名詞前面的名詞(<代名詞>)，原則上是以所有格出現。
1. She is not sure of his answering her letter.
她無法確定他是否會回信給她。
2. I prefer John’s playing tennis to his playing cards.
我寧願約翰打網球而不玩樸克牌。
3. I dislike my mother’s interfering in the affair.
我不喜歡母親介入這件事。
4. Our teacher didn’t mind my coming in late.
老師對於我的遲到並不在意。
5. Would you mind my opening the window?
你介意我開窗嗎？
6. I remember our meeting ten years ago.
我記得十年前我們會見過。
7. My father doesn’t like my/me going out alone.
我父親不喜歡我單獨出門。
8. I dislike my house being too small.
我不喜歡我的房子太小。

... be busy V-ing ...
說明︰此句型意為“忙著做…”。等於“be busy with＋<名詞>”。
1. Mother is busy making cookies for the picnic.  
母親正忙著為野餐做餅乾。
2. He was busy preparing for the exam.  
他忙著準備考試。
3. I was busy looking up all the new words of the lesson in my dictionary.
我忙著在字典裡查本課所有的生字。