been的用法和意思：been是be的過去分詞，作為動(dòng)詞，中文含義為“是”。been用在完成時(shí)和被動(dòng)句中，其中現(xiàn)在完成時(shí)的構(gòu)成為has/have+been/done，過去完成時(shí)的構(gòu)成為had+been/done,當(dāng)被動(dòng)句的主語是物時(shí)，即用被動(dòng)語態(tài)。
been的中文含義及用法介紹
been：英式讀音為[bi?n]，美式讀音為[b?n]。
been是be的過去分詞，中文意思為“是”，用于完成時(shí)，表示“已經(jīng)過去”。例句有：
1、Scientists think that there has been life on Earth for millions of years.
科學(xué)家認(rèn)為生命存在于地球已經(jīng)有幾百萬年了。
2、They have been playing football for 3 hours.
他們已經(jīng)踢了3小時(shí)的足球了。
3、I have been away from Paris for two weeks.
我離開巴黎已經(jīng)兩星期了。
4、There have been many changes in recent years.
近幾年發(fā)生了許多變化。
5、We had to work within the parameters that had already been established.
我們必須在已設(shè)定的范圍內(nèi)工作。
6、The resources at our disposal could have been better utilized.
我們所掌握的資源本來可以利用得更好，獲得更高的效益。
7、A new satellite has been put into orbit around the earth.
一顆新的人造衛(wèi)星被送上了環(huán)繞地球的軌道。
8、The first part of the plan has been safely accomplished.
計(jì)劃的第一部分已順利完成。
9、The new drug has not yet been licensed in the US.
這種新藥尚未在美國(guó)獲得許可。
10、The theory has been superseded by more recent research.
這一理論已為新近的研究所取代。
