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回了。:(would have done)表示到過去將來某一時間已經(jīng)完成的動作,并且對過去將來那一時間點產(chǎn)生影響。例:I believed by the end of that year an advanced version of that software would have been developed, but I was wrong.我堅信到那年年底為止,那個軟件的新版本將被開發(fā)出來。但是我錯了。表示動作從過去某一時間開始一直延續(xù)到過去將來某一時間,并且有可能繼續(xù)延續(xù)下去。例:He told me that by the end of the year he would have lived there for thirty years.他告訴我,到那年年底為止他將已經(jīng)在那里住了三十年了。:(would have been doing)表示動作從過去某一時間開始一直延續(xù)到過去將來某一時間,期間一直有規(guī)律在進行、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.他們說到第二個月底為止,這項工程就已經(jīng)不停地進行了3年了。15. 將來完成時(will have done)①表示一個動作到將來某個時間為止已經(jīng)完成,強調(diào)對將來那個時間產(chǎn)生的影響。例:Pick me up at 8 o39。clock,I will have had breakfast by then.早上8點鐘你來接我,到時我已經(jīng)吃完早飯了.②表示一個動作延續(xù)到將來某個時間,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.會議從開始到結(jié)束將持續(xù)整整一個星期。:(will have been doing)表示一個動作延續(xù)到將來某個時間,期間一直有規(guī)律在進行、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.到下個月底為止,這項工程就已經(jīng)不停地進行了3年了。