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1、 什么叫過(guò)去完成時(shí)？什么叫過(guò)去完成時(shí)？ 1. 過(guò)去完成時(shí)表示一個(gè)動(dòng)作或狀過(guò)去完成時(shí)表示一個(gè)動(dòng)作或狀態(tài)在過(guò)去某一時(shí)間或動(dòng)作之前已態(tài)在過(guò)去某一時(shí)間或動(dòng)作之前已經(jīng)完成或結(jié)束，也可能是早已完經(jīng)完成或結(jié)束，也可能是早已完成或結(jié)束，即成或結(jié)束，即“過(guò)去的過(guò)去過(guò)去的過(guò)去”2.也可以指過(guò)去的動(dòng)作延續(xù)到過(guò)也可以指過(guò)去的動(dòng)作延續(xù)到過(guò)去的某個(gè)時(shí)刻。去的某個(gè)時(shí)刻。 它是怎樣構(gòu)成的？它是怎樣構(gòu)成的？ had +動(dòng)詞的過(guò)去分詞動(dòng)詞的過(guò)去分詞 過(guò)去完成時(shí)有哪些用法？過(guò)去完成時(shí)有哪些用法？a.在在told, said, knew, heard, thought等動(dòng)詞后的賓語(yǔ)從句。等動(dòng)詞后的賓語(yǔ)從句。 She said (th

2、at) she had never been to Paris.b. 狀語(yǔ)從句狀語(yǔ)從句 在過(guò)去不同時(shí)間發(fā)生的兩個(gè)在過(guò)去不同時(shí)間發(fā)生的兩個(gè)動(dòng)作中，發(fā)生在先，用過(guò)去完成時(shí)；動(dòng)作中，發(fā)生在先，用過(guò)去完成時(shí)；發(fā)生在后，用一般過(guò)去時(shí)。發(fā)生在后，用一般過(guò)去時(shí)。 When the police arrived, the thieves had run away.c. 表示意向的動(dòng)詞，如表示意向的動(dòng)詞，如hope, wish, expect, think, intend, mean, suppose等，用過(guò)去完成時(shí)表示等，用過(guò)去完成時(shí)表示“原本原本，未能，未能” We had hoped that you would come, but you didnt.3)過(guò)去完成時(shí)的時(shí)間狀語(yǔ)過(guò)去完成時(shí)的時(shí)間狀語(yǔ) He said that he had learned some English before. By the time he was twelve, Edison had began to make a living by himself.Tom was disappointed that most of the guests had left when he arrived at the party.