美[b?n] 1 . The house seemed muted, hushed as if it had been deserted.
房子里似乎悄然無聲，安靜得好像已經沒人在住一樣。
來自柯林斯例句
2 . It had once been the home of a wealthy nobleman.
這里曾是一個有錢貴族的宅邸。
來自柯林斯例句
3 . These files have been zipped up to take up less disk space.
這些文檔已經進行了壓縮，以節省磁盤空間。
來自柯林斯例句
4 . The commander and some of the men had been released.
指揮官和一些士兵已經獲釋。
來自柯林斯例句
5 . There has been a busy start to polling in today's local elections.
今天地方選舉的投票一開始就人頭攢動。
來自柯林斯例句
1 . 被
Troops tried to enter the building which had beencaptured and wired with explosive charges ., 軍隊試圖進入這座已經被占領并綁滿炸藥的建筑.
2 . 是
beemistress 養蜂女been是beep 嗶嗶聲
3 . 過
Close contacts have beenplaced under medical observation and all remain well ., 對于和他有過密切接觸的人現在置于醫學觀察之下 , 現在都很健康.
4 . 了
i cant recall how long it has been., 我回憶不起來多長時間了.
been英音：[bi:n]美音：[bɪn] been be的過去分詞，是 has been 用于完成時，表示“已經” eg. Scientists think that there has been life on Earth for millions of years 科學家認為生命存在于地球已經有幾百萬年了。 have been done現在完成時的被動形式，表示已經被完成 have been doing現在完成進行時，表示到現在為止仍然在進行。 The work has been done.工作已經被完成了。強調結果 They have been playing foot
