過去分詞在被動的同時,還表示完成,而現(xiàn)在分詞被動式在被動的同時,還表進(jìn)行.
Built in 1501,the bridge is over 500 years old.這座橋建于1501年,已有五百多年的歷史.
Who is the woman being operated on?正在動手術(shù)的女人是誰?
但有時它們也可表示相同的意思.如：
Written in haste,the book has many mistakes.這書因?qū)懙脗}促,所以錯誤不少.
Being written in haste,the book has many mistakes.這書因?qū)懙脗}促,所以錯誤不少.
Having been written in haste,the book has many mistakes.這書因?qū)懙脗}促,所以錯誤不少.
有時雖然所表示的時間概念相同,但有細(xì)微區(qū)別：
Having been show the lab,we left.被領(lǐng)著看了實(shí)驗(yàn)室后,我們就離開了.
Shown the lab,we left.被領(lǐng)著一看完實(shí)驗(yàn)室,我們就離開了.(有一種急促感)