现在完成时ppt精品课件

1、现在完成时讲解课件用,现在完成时的课件讲解,现在完成时ppt课件,现在完成时课件,现在完成时趣味课件,初中现在完成时课件,现在完成时态课件,现在完成时优质课件,高中现在完成时课件,公开课现在完成时的课件。

2、现在完成时 The Present Perfect Tense,现在完成时态,have / has + done,助动词 （可以帮助构成肯定、疑问和否定句）,I have already read it.,1.He has cleaned his room. (写一个一般疑问句）,Has he cleaned his room?,Lets try,They havent come back from work.,2. They have come back from work.(写否定句）,Lets explore,How long have you been in New York?,Ive been here for 5 years.,When did the woman move to New York?,Is she still in that city?,Look at the picture and answer the questions.,We use the present pe。

3、语法课堂,上一页,现在完成时,下一页,主菜单,现在完成时,主菜单,上一页,下一页,现在完成时的构成,现在完成时的主要用法,现在完成时的时间状语,短暂性动词与时间段的关系,have been 与have gone 比较,与一般过去时的用法比较,现在完成时的构成,主菜单,上一页,下一页,have (has）+ 过去分词,present(now),future,past,do my homework,Mother: John, clean your teeth please.,John: Mum, I have already(已经) cleaned them.,现在完成时的基本句型：,肯定式：主语 + 助动词have/has + 动词的过去分词. 疑问式：助动词Have/Has + 主语 + 动词。

4、The Present Perfect Tense 现在完成时,（小结）,have/has + 动词的过去分词,1.谓语构成：,see- begin- eat- give- hear- take- write-,seen,begun,eaten,given,heard,taken,written,2.时间状语：,already, yet, ever, never, just, before； once, twice； for +时间段； since+时间点/从句(一般过去时)；in /during the last +时间段； so far.,3.Say the differences: have/has been to have/has gone to have/has been in,曾经去过某地（表示某人的一种 经历）,可与once, twice, already, ever, never等连用。,去某地了,说话时某人已。

5、现在完成时,主讲教师：,初中英语,同学们好！今天我们介绍的英语语法知识是时态中的现在完成时。现在完成时是中考考纲要求的五种基本时态之一，要求同学们必须掌握并熟练运用。这种时态的动词变化，基本用法，时间状语，特殊结构等要点与其他四种时态相比要有一定的难度，希望同学们重视并且能够从下面的介绍中获得帮助。,现在完成时的两种基本用法：,用法1. 表示发生在过去的动作对现在造成的结果或影响。 (与一般过去时对比，一般过去时强调的是发生在过 去的动作而现在完成时强调的是现在的结果或影响。)用法2动作发生在过去，并且一直。

6、语法复习现在完成时,一、现在完成时的构成1. 现在完成时的肯定句句型 主语（第一,二人称单,复数）+have（第三人称复数） +have （第三人称单数） +has,+过去分词,2现在完成时的否定句句型 主语+have/has+not+过去分词+ 例如： I have not seen the movie yet. He hasnt been to Beijing since then,3. 现在完成时的一般疑问句句型 Have/Has+主语+过去分词+.Have you finished the work?Has she arrived here?,句型 特殊疑问词+have/has+主语+过去 分词+. How many times have you been to the Great Wall?,4. 现在完成时的特殊疑问句,alre。

7、现在完成时,I live in Beijing. 我住在北京。I lived in Beijing. 我在北京住过。I have lived in Beijing. 我一直住在北京。,完成时,完成时表示在过去某一时间开始住在北京，并且现在仍然住在北京。表示从过去到现在的一种继续状态。,时间词（表示一段时间）,for an hour 持续一小时 already 已经 since 自从.以来 yet (用于否定，放在结尾) recently 近期 in the past 2 years 在过去2年里,1. I have finished my homework.2. He has played basketball for ten years.3. They have been to Beijing since two years ago.,结构,have / h。

8、Grammar and usage,Police in America have stepped up their search for a boy who went missing. 2. People have shown great interest in his disappearance due to sightings of alien visits 3. I havent seen Justin since . 4. Some people in Dover also say that they have seen aliens . 5.People have not ruled out the possibility that Justin was taken by aliens . 6. Peterson , who has taken charge of the case .,Present perfect tense,Review:,The Present Perfect TenseForm(结构):,Summary:,have/has + done,F。

9、The Queen _(tell) her huntsman to kill Snow White. The huntsman _(take) the girl to a forest. But the kind man did not kill her. Instead, he _(kill) a bear, _(take) out its heart and _(carry) it to the Queen. Poor little Snow White _(walk) alone in the forest. She _(walk) on and on. At last, she _(see) a little house. She _(go) in and _ (clean) it. Then she _(have) some food and _ (go) to bed.,一般过去时表示过去的动作和状态，常去yesterday， last year, two weeks ago, in 19。

10、现在完成时和现在完成进行时练习题,1）这两个时态的主要差别是，现在完成时表示动作已完成， 而完成进行时却不一定如此：,Ive made a cake. 我做了一个蛋糕。（已做好） Ive been making a cake. 我一直在做一个蛋糕。 （不一定做好了） Shes painted a picture. 她画了一幅画。（已画好） Shes been painting a picture. 她在画一幅画。（可能还没画好）,Theyve built a bridge. 他们建了一座桥。(已建好) Theyve been building a bridge. 他们一直在建一座桥。（可能还在建） Hes written a novel. 他写了一部小说。（已完成） Hes been。

11、现在完成时,The Present Perfect Tense,一、构成:,have/has+动词过去分词,二、含义:,(定义一)表示过去发生的动作或事情对现在的影响和产生的结果.它强调的是过去的动作同现在的联系.常用的时间状语有already, yet, ever, never, just, before等.,句式构成,1.肯定句:,S(主语）+have/has(助动词）+PP(过去分词)+(其他）。,2. 否定句:,S ( 语)+have/has+not +PP(过去分词)+(其他）。,3.一般疑问句,Have/has+ S (主语)+PP(过去分词)? Yes, S+have/has. No, S+have/hasnt.,（改为否定句和一般疑问句并肯否回答) I have seen him since his wedd。

12、现在完成时,The Present Perfect Tense,现在完成时的基本结构,have/has+动词过去分词（has用于第三人称单数）,过去分词的变化： (1)规则变化,不规则动词的过去式以及过去分词 巧记规律,AAA: put put put letlet let ABA: becomebecamebecome ABB: standstoodstood ABC: eat ateeaten,AAA,cost-cost-cost read-read-read put-put-put cut-cut-cut let-let-let set-set-set hit-hit-hit hurt-hurt-hurt 原形、过去式和过去分词的词形和读音都相同的单词，结尾字母一般是t或d。 特殊：动词read的过去式和过去分词虽然词形与原形一致，read-re。

13、Present Perfect Tense,小升初考点-现在完成时,Present Perfect Tense现在完成时,主语 + have/ has + 过去分词（pp）,现在完成时的结构,Winter has already come，,will it still be far in spring ?,主语 + have/ has + 过去分词（pp）,否定形式 havent ( have not ） +过去分词hasnt ( has not ) +过去分词,疑问句 把助动词 have / has 放在句首,现在完成时的结构,注：主语若是第三人称单数助动词用 has,You have planted all the trees. I have planted all the trees. He/she has planted all the trees. They have planted all the t。

14、Present Perfect Tense,Present perfect tense 现在完成时,构成:用法一：,表示过去发生的某一动作对现在造成的影响或产生的结 果.现在完成时这一时态强调是过去动作与现在的联系,也就是强调现在的影响和结果.,have/has + 过去分词,动词的过去分词：规则变化（和过去时一样）不规则变化（特殊记）,不规则变化：am/is-was-been are-were-been begin-began-begun break-broke-brokendo-did-done draw-drew-drawndrink-drank-drunk drive-drove-driveneat-ate-eaten fall-fell-fallenfly-flew-flown forget-forgot-forgottengive-gave-given g。