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2. 過去完成時表示: __________________________________ __________________________________ 3. 過去完成時常與______________________等引導的時間狀語連用。 As I ______ _______ ______ ______ with the other office workers, I ______ _____ _____ ______. was waiting in line heard a loud sound ◆ When I got to school, I realized that I had left my backpack at home. ◆ By the time I got back to school, the bell had rung. ◆ Before I got to the bus stop, the bus had already left. 由 when, by the time, before等引導時間狀語從句時,若描述發(fā)生在過去的事,主句常用過去完成時 (had + 過去分詞 )表示動作發(fā)生在過去的過去。 _________________________________ _________________________________ Before I got my schoolbag, I had locked the door. Before she finished her homework, my mother had already been back. 1. 復習 Grammar Focus 中的內(nèi)容。 1. 當他到達學校的時候,老師已經(jīng)開始 上課了。 _____ _____ _____ I got back to school, the bell ______ _______. When had left By the time had rung 根據(jù)漢語提示完成句子。 I had fotten to have breakfast before I going to the office this morning. 今天早晨去辦公室之前,我忘記吃早飯了。 表示過去某一時間或動作以前已經(jīng)發(fā)生或完成了的動作。 3)我到達公共汽車站之前, 汽車已經(jīng)離開了。 _________________________________ _________________________________ 2. 當我出來的時候,我爸爸已經(jīng)離開家了。 _________________________________ _________________________________ 4. 在她做完作業(yè)之前我媽媽已經(jīng)回來