久久99国产亚洲高清观看首页,久久久久综合精品福利啪啪,国产成人免费午夜在线观看,91视频网,久久精品国产福利国产琪琪,久久国产精品免费观看,国产精品成

had been done是什么時(shí)態(tài)s

回答
瑞文問(wèn)答

2024-08-22

“had been done”表示過(guò)去的過(guò)去,是過(guò)去完成的被動(dòng)態(tài)時(shí)。如:The rooms had been cleaned when I came. 我來(lái)的時(shí)候,房間已經(jīng)被打掃了。have/has been done是現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)。表示某事被做。

擴(kuò)展資料

  過(guò)去將來(lái)完成進(jìn)行時(shí):(would have been doing)

  表示動(dòng)作從過(guò)去某一時(shí)間開(kāi)始一直延續(xù)到過(guò)去將來(lái)某一時(shí)間,期間一直有規(guī)律在進(jìn)行、不曾間斷,并且有可能繼續(xù)延續(xù)下去。

  例:They said that by the end of the following month, the project would have been being worked for 3 years.

  他們說(shuō)到第二個(gè)月底為止,這項(xiàng)工程就已經(jīng)不停地進(jìn)行了3年了。

  將來(lái)完成時(shí)(will have done)

 、俦硎疽粋(gè)動(dòng)作到將來(lái)某個(gè)時(shí)間為止已經(jīng)完成,強(qiáng)調(diào)對(duì)將來(lái)那個(gè)時(shí)間產(chǎn)生的影響。

  例:Pick me up at 8 o'clock,I will have had breakfast by then.

  早上8點(diǎn)鐘你來(lái)接我,到時(shí)我已經(jīng)吃完早飯了.

 、诒硎疽粋(gè)動(dòng)作延續(xù)到將來(lái)某個(gè)時(shí)間,并且有可能繼續(xù)延續(xù)下去。

  例:The conference will have lasted a full week by the time it ends.

  會(huì)議從開(kāi)始到結(jié)束將持續(xù)整整一個(gè)星期。

  將來(lái)完成進(jìn)行時(shí):(will have been doing)

  表示一個(gè)動(dòng)作延續(xù)到將來(lái)某個(gè)時(shí)間,期間一直有規(guī)律在進(jìn)行、不曾間斷,并且有可能繼續(xù)延續(xù)下去。

  例:By the end of next month, the project will have been being worked for 3 years.

  到下個(gè)月底為止,這項(xiàng)工程就已經(jīng)不停地進(jìn)行了3年了。

蛟河市| 井冈山市| 威远县| 湘阴县| 大丰市| 大竹县| 邵东县| 天峻县| 利川市| 樟树市| 龙山县| 金华市| 淮滨县| 岚皋县| 鹿泉市| 开化县| 七台河市| 板桥市| 武穴市| 木里| 贵溪市| 新巴尔虎右旗| 中西区| 灌阳县| 威海市| 方城县| 湛江市| 武穴市| 那曲县| 邢台县| 桐城市| 嘉峪关市| 从化市| 金山区| 芒康县| 饶河县| 亚东县| 濉溪县| 集安市| 雷州市| 吉林省|