1、I’ve just misplaced my keys.我剛剛把鑰匙放錯了地方。
2、When did you start planting so many young trees?你是從什么時候開始種植這么多小樹的？
3、I have finished reading the novel.我讀完了這部小說。
4、They are not here at the moment.他們此刻不在這里。
5、I have some unfortunate news. I am now unemployed.有些不幸的消息，我現在失業了。
6、It is my first visit to this place.這是我第一次來這個地方。
7、They are still in progress.他們還在進行中。
8、How many times have you visited Singapore?你去過新加坡幾次？
9、My mom has never experienced air travel.我媽媽從未乘坐過飛機旅行。
10、I’ve been dedicating my time to doing my homework.我一直在專心做作業。