to had been done是什么時態(tài)

回答

瑞文問答

2024-10-24

have been done是現(xiàn)在完成時的被動結(jié)構(gòu)。強調(diào)一個發(fā)生在過去的被動性動作，它有兩層意思：動作已經(jīng)完成，強調(diào)對現(xiàn)在造成的影響或結(jié)果；主語與謂語動詞之間為被動關(guān)系。

擴(kuò)展資料

　　例句：

　　1、 A lot of good deeds have been done by him.

　　他做了很多好事。

　　2、These projects have been finished already.

　　這些項目已經(jīng)完成。

　　3、The work had not been done very thoroughly.

　　這工作做得不太認(rèn)真。

　　4、They saw the job had been done.

　　他們看到工作已經(jīng)做了。

　　5、She knew it would be difficult to undo the damage that had been done.

　　她知道想要消除已經(jīng)造成的損害是很難的。

　　6、He was angry at finding that nothing had been done.

　　當(dāng)他知道沒有啥事做出來生起氣來。