过去完成时第一课时

1、肯定句：have/has + done否定句：have/has not + done一般疑问句：Have/has . done?Present Perfect Tense 现在完成时肯定句：had not + done一般疑问句：Past Perfect Tense 过去完成时had + done否定句Had . done?Yes, had.No, hadnt.特殊疑问句：疑问词had done ?Kobe Bryant had already won three NBA Champions with Shaq ONeal before he won the fourth one in 200

2、9.The Walt Disney Company had already owned 5 Disney Land by 2016 when the one in Shanghai started running. 过去完成时概念概念：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作，即“过去的过去”。They were put into boxes.Then they were sent to Madagascar.They had been put into boxes before they were sent to Madagascar.过去完成时的判断依据:1.由时间状语

3、来判定(1)by + 过去的时间点。如： No rabbit had been police officer by 2010.(2) by the end of + 过去的时间点。如：过去的时间点。如： Monkey King had been locked up for 500 years by the end of his prison term.Turing had broken the Enigma (德军密码系统) before the time of 1945.From The Imitation Game(3) before + 过去的时间点。如：过去的时间点。如： 2.没有明显

4、的时间状语，由没有明显的时间状语，由“过去的过去过去的过去”来判定来判定：(1)宾语宾语从句中从句中: 在在told, said, knew, heard, thought等动词后的宾语从句。如：等动词后的宾语从句。如： He said that they had got a vault(金库金库) set.The little prince had left before the man fixed his plane.(2) 主主、从句的动作发生有先后关系，、从句的动作发生有先后关系，动作在前动作在前的，要用过去完成时的，要用过去完成时，动作在后的要用一般过去，动作在后的要用一般过去时。时

5、。如：如： McQueen went to the small town.Dr. Hudson was a race car.Dr. Hudson had been a race car when McQueen went to the small town.过去过去完成时的主要用法完成时的主要用法 1.表示表示一个一个动作在动作在过去某一时间或动作之前已经完成过去某一时间或动作之前已经完成或结束，即发生在或结束，即发生在“过去的过去过去的过去”。如。如：They went into the underground world.Dinosaurs have lived in the under

6、ground world for many years.When they went into the underground world, they found that dinosaurs had lived in the underground world for many years.4. 过去完成时表示某一动作或状态在过去某时之前过去完成时表示某一动作或状态在过去某时之前已经开始，一直延续到这一过去时间，而且动作尚未已经开始，一直延续到这一过去时间，而且动作尚未结束，仍然有继续下去的可能。结束，仍然有继续下去的可能。如如:1.When I _(arrive) at the stati

7、on, he _ (leave)2.We _(learn) about 4000 English words by the end of last term.3. I waited until he _(finish) his homework.4. We were surprised at what she _already _(do)5.She _(not go) to Qingdao because she _ (be) there before.6. He _(not tell) you the news yet.7. He said he _already_(give) the book to the teacher.8. I _(be) to Shanghai before.9. She told me she _(be) to Sanya three times.10.She _(play) the guitar while her sister_ (sing).