Perfectivity
动词的完成式
🗣️ 情景例句
You are wonderful with kids.
你对小孩子有一套。
How many feet are you going to use?
你要用几英尺？
Last spring my wife suggested that I call in a man to look at our lawn mower.
今年春天，妻子让我请人检查一下我家的割草机。