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經(jīng)完成或結束。其結構為“ had+動詞的過去完成時”。 2).by the time 意為“到 ?? 時候”,引導時間狀語從句,常與過去完成時連用。 [即學活用 ] — By the time I was five, I ____English. — Really? A. had started learning B. have started learning C. started to learn D. started learning 【解析】 by the time 所引導的從句是一般過去時,其主句要用過去完成時。 五 、 達標測評 1. By the time I_______ into the store, someone________ the jeans I wanted. A. walked: walked bought B. walked: bought C. had walked: had bought D. had walked: bought 2.