人教版九年级英语第十单元课件.ppt
Unit 10 By the time I got outside,the bus had already left.,1语言目标 A 熟练掌握和运用过去完成时态 B 学会运用核心句型：By the time she got up,her brother had already gone inti the bathroom.2 能力目标：学会询问和谈论过去的经历。3 情感目标：引导学生关注自己身边的人和事物。,Teaching Aims,想想我们以前学过的时态都有哪些，尝试着在时间轴上画一下,预习检查,过去完成时,1.构成:had+V-p.p,2.过去完成时态的含义:主要是表示在过去某个时间,或是动作之前已经发生或完成的动作.也就是：过去的过去.,精讲点拨,过去完成时态的用法：,1、表示过去的过去，通常由when或by引导的短语或者从句做时间状语或时间状语从句 by the time 到时候为止，指从过去某一点到，从句所示的时间为止，这一时间段。when当时候，指过去的某一时间点。从句用一般现在时，主句为过去完成时。,I got home,My little brother went to bed,By the time I got home,my little brother had gone to bed.,I got to school,The teacher came into the classroom,By the time I got to school,the teacher had come into the classroom.,2、常用在宾语从句中 He told me he had already finished his homework I realized he had fooled me again3、体现在上下文中 I didnt go to the movies yesterday because I had seen it twice,by the time（=when）,我们赶到学校时，已经上课了。,到时,_ we got to school,the class _ already _,By the time,had,begun.,当我到达火车站时，火车已经开走了。,By the time I _ to the station,the train _ already _.,got,had,left,By the time we got there,the bus had already gone.,We got there at 7:00,The bus left at 6:59,When I got to the check-out,I realized I had left my purse at home.,二、构成：肯定句：主语+had过去分词否定句：主语+had not+过去分词疑问句：had+主语+过去分词？,上个月之前，他已经完成了工作。,He had finished the work by last month?,He had not finished the work by last month?,Had he finished the work by last month?,Mary_ some Chinese before she came to China.A.learned B.has learned C.learnt D.had learnedShe _ the first runner-up prize in a beauty contest before she _an actress.A.have won,became B.had won,become C.had won,became D.has won,became,随堂达标,1.We started to learn English 5 years ago.,一般过去时表示在过去某时发生的动作或存在的状态。,2.We have learned English for 5 years.,现在完成时表示的动作发生在 过去，但侧重对现在产生的结果或造成的影响，与现在有关。其结构为：“助动词 have（has）+过去分词”,5 years ago now,5 years ago have learned now,如何区分一般过去时，现在完成时，过去完成时态,过去完成时表示在过去某个时间或动作之前已经发生或完成了的动作或存在的状态，即“过去的过去（past-in-the-past）”。,过去完成时的概念与结构特点:,past in the past,past,now,过去完成时,由“过去的过去”来判定。,过去完成时表示“过去的过去”，先发生的动作用过去完成时，后发生的动作用一般过去时。,When I got to the station,the train had already left.,After he had finished his homework,he went to bed.,first,first,小组讨论，将过去完成时态思维导图补充完整,1 过去的过去,2 常用在宾从中,3 体现在上下文中,had+PP.,had not+PP.,had+主语+PP.,when，by,综合时态填空：1.He _(have)a meeting next week.He _(have)a meeting two weeks ago.He told me he _(have)a meeting two weeks before.,will have,had,had had,2.I _(finish)my homework when my father got home yesterday.I _(finish)my homework at 10 last night.3.The film _(begin)when I got to the cinema.The film _(be)on for 10 minutes when I got to the cinema.4.My brother _(study)in this school for three years before he joined the army,had finished,finished,had begun,had been,had studied,1I had sold the ticket when she came.（改否定句）2.She had sung a song to us before she danced.（改否定句）3.Lucy had already completed the project when I arrived.（改一般疑问）,Homework Make up some sentences using Past perfect tense.2.Finish other exercises on the paper.,
