【正文】
e you heard about the story of Lin Zexu?表示從過去某一時(shí)間開始并一直持續(xù)到現(xiàn)在(可能還會(huì)繼續(xù)下去)的動(dòng)作,常用于延續(xù)性動(dòng)詞,多帶有延續(xù)性時(shí)間狀語,如: since, for three weeks, so far, In recent years等。這座房子已閑置好多年。The house has been empty for many years.表示將來,用于時(shí)間、條件等從句中。我一完成工作就和你一起去。I’ll go with you as soon as I have finished my work.hope, expect, think, intend, mean(打算), suppose, want這些動(dòng)詞的過去完成時(shí)表示過去的希望、預(yù)期、意圖、愿望等沒有實(shí)現(xiàn)。我們?cè)鞠M隳軄砜次覀?。We had expected that you would be able to visit us.同現(xiàn)在完成時(shí)一樣,過去完成時(shí)與延續(xù)性時(shí)間狀語連用時(shí),動(dòng)詞通常應(yīng)是延續(xù)性動(dòng)詞。當(dāng)Jack到時(shí)他知道了Mary已經(jīng)離開1個(gè)小時(shí)了。When Jack arrived he learned Mary had been away for an hour.九、現(xiàn)在完成進(jìn)行時(shí) (have/has been doing/ have has not been doing )表示從過去某一時(shí)刻開始一直持續(xù)到現(xiàn)在,并可能繼續(xù)下去的動(dòng)作,通常與for, since等引導(dǎo)的時(shí)間狀語連用。可是整個(gè)冬季生意一直在走下坡路。But the business has been going down all winter.