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①By the 1920s,he had become an explorer,searching for the tombs of the Egyptian kings.
②I returned the book that I had borrowed.
③Upon their entering the tomb,Cater's lucky pet bird,which he had left in Cairo,was swallowed by a snake.
④Then,a few months after Carter had opened the tomb,Lord Carnarvon,who was also present when the tomb was opened,fell ill with a fever and died in Egypt.
⑤He said he had worked in that factory since 1949.
⑥I had been at school for half an hour when Li Lei came.
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1.過去完成時(shí)的構(gòu)成:had+過去分詞。
2.過去完成時(shí)表示在過去某一時(shí)刻或動(dòng)作以前已經(jīng)完成了的動(dòng)作,即“過去的過去”如句①②③④。
3.過去完成時(shí)可以指過去的動(dòng)作延續(xù)到過去的某個(gè)時(shí)刻,如句⑤⑥。
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