2017考研英語(yǔ)語(yǔ)法小講：過(guò)去完成進(jìn)行時(shí)

　　had been + 動(dòng)詞的現(xiàn)在分詞。

　　用法：表示一直持續(xù)到過(guò)去某個(gè)時(shí)間的行為動(dòng)作，此行為動(dòng)作或剛結(jié)束、或還沒(méi)結(jié)束(可以從上下文看出)。這一時(shí)態(tài)經(jīng)常與一般過(guò)去時(shí)一起使用。例如：

　　When he came in, I had been trying to repair the TV for a couple of hours. 他進(jìn)來(lái)的時(shí)候，我一直在努力修理電視機(jī)好幾個(gè)小時(shí)了

　　The roads were dangerous. It had been raining for two whole days. 道路很危險(xiǎn)。雨一直下了兩整天。

　　They were tired because they had been digging since dawn. 他們累了，因?yàn)閺奶炝灵_(kāi)始他們就一直在挖。

　　The boy was delighted with the new mountain bike. He had been hoping for one for a long time. 那男孩得到一輛新山地自行車很高興。很長(zhǎng)時(shí)間來(lái)他一直希望有一輛。