1、eating进行态eaten完成态/过去分词eat动词原形 past now futureI lost my wallet.一般过去时I have lost my wallet.现在完成时I lost my wallet.一般过去时I have lost my wallet.现在完成时都说丢钱包，两句有什么差别?past now future过去的事情影响了现在过去的事情发生在过去现在完成时 past now future过去的事情影响了现在过去的事情发生在过去现在完成时I have lost my wallet.现完：过去的事情 影响了现在I have lost my wallet.现完：过
2、去的事情 影响了现在I have lost my wallet.现完：过去的事情 影响了现在 past now future past now futureWhen I arrived at the station,the train had left.When I arrived at the station,the train had left.When I arrived at the station,the train had left.【例句】Before he slept,he had worked for 12 hours.睡觉之前，他工作了12小时。We had hoped t
3、hat you would come,but you didnt.我原本希望你能来，但是你却没来。The definition of past perfect表示过去某一时刻或某一动作之前完成的动作或状态，即过去的过去。句中常用by,before,until,when等词引导的时间状语。谓语结构：助动词had+动词的过去分词。The points1.表示过去某一时刻之前发生的动作或状态持续到过去某个时间或继续持续下去。2.表示意向的动词，如hope,wish,expect,think,intend,mean,suppose等，用过去完成时表示“原本，未能”。3.否定句的谓语结构：助动词had
4、not+过去分词。4.一般疑问句：助动词had+主语+动词的过去分词。肯定回答：Yes,主语+had.否定回答：No,主语+had not.【考题链接】I was just going to cut my rose bushes but someone _ it.Was it you?A.has done B.had done C.would do D.will do【即学即练】The manager is said to have arrived back from Paris where he _ some European business partners.A.would meetB.
5、is meeting C.meets D.had met翻译：我住的那个宾馆不是特别好，但是我之前还住过更差的呢。翻译：我住的那个宾馆不是特别好，但是我之前还住过更差的呢。The hotel in which I stayed wasnt very good but I had stayed in many worse hotels.时/态进行态一般态完成态过去时was/weredoing过去进行时态was/were/did一般过去时态haddone过去完成时态现在时is/am/aredoing现在进行时态is/am/are/do/does一般现在时态has/havedone现在完成时态将来时willbedoing将来进行时态willbe/do一般将来时态时/态进行态一般态完成态过去时was/weredoing过去进行时态was/were/did一般过去时态haddone过去完成时态现在时is/am/aredoing现在进行时态is/am/are/do/does一般现在时态has/havedone现在完成时态将来时willbedoing将来进行时态willbe/do一般将来时态willhavedone将来完成时态
