Perfectivity
動詞的完成式
??? 情景例句
You are wonderful with kids.
你對小孩子有一套。
How many feet are you going to use?
你要用幾英尺？
Last spring my wife suggested that I call in a man to look at our lawn mower.
今年春天，妻子讓我請人檢查一下我家的割草機。