during the past/last three years 意為“在過去的3年中,近3年來”,也可說成in the past/ last three years。 這個短語指的是到現(xiàn)在為止3年來的狀況,是現(xiàn)在完成時的時間標志。
I have been there several times during the past three years . 在過去的3年中我到過那里數(shù)次。
During the past month she has read three English books. 她在過去的1個月中讀了3本英語書。
He has written three letters to her in the last few weeks . 在過去的幾個星期里,他給她寫了3封信。