been的用法和意思:ben是be的过去分词,作为动词,中文含义为是"。beo用在完成时和被动句中,其中现在完成时的构成为has/ have+been/done,过去完成时的构成为had+ben/done,当被动句的主语是物时,即用被动语态。been的中文含义及用法介绍been:英式读音为bi?n,美式读音为b?nl。
ben是be的过去分词,中文意思为"是”,用于完成时,表示已经过去”
例句有1, Scientists think that there has been life on Earth formillions of years科学家认为生命存在于地球已经有几百万年了。2. They have been playing football for 3 hours他们已经踢了3小时的足球了。3. I have been away from Paris for two weeks我离开巴黎已经两星期了。4. There have been many changes in recent years.近几年发生了许多变化。5. We had to work within the parameters that hadalready been established.我们必须在已设定的范围内工作。