人教版九年级现在完成时第（一）部分课件

妈，我想看小猪佩奇。 看啥小猪佩奇，你作业做完没？ 我已经做完作业了！ 那只能看五分钟啊！看完赶紧背单词去！ 我已经做完作业了！ I do my homework. I am doing my homework. I will do my homework. I was doing my homework. I did my homework. 我已经做完作业了！ I have done my homework. 现在完成时 上集 01 02 03 04 时态介绍 时间标志词 时态结构 句型转换 本节内容 1 时态介绍 I have watched it. Would you like to watch Peppa Pig with me? ---Would you like to watch Peppa Pig ? ---I have watched it. watched 的动作发生在过去 因为看过了，所以不想看了 表示过去发生的某一动作对现在造成的影响 He has just gone out. I have already paid my bill. She has joined the Volunteers. 表示过去发生的某一动作对现在造成的影响 ---How long has Peppa watched Peppa Pig? ---She has watched it for three hours. watched 的动作发生在过去 watched的动作一直持续到现在，可能会一直持续下去 表示过去已经开始并一直持续到现在的动作 也有可能继续持续下去。 I have recited 1352 English words. We have stayed at home for 60 days. We have had online classes five times. 表示过去已经开始并一直持续到现在的动作 也有可能继续持续下去。 现在完成时 表示过去发生的某一动作对现在造成的影响 表示过去已经开始并一直持续到现在的动作 也有可能继续持续下去。 2 时间标志词 for & since already & yet ever & never before & ago 3 时态结构 He has already got a scholarship. 他已经获得了一份奖学金。 I haven't seen much of him recently. 我已经很久没有看到他。 We have seen that film before. 我们之前已经看过那部电影了。 Have they found the missing child yet? 他们找到失踪的孩子了吗? They have jumped in muddy puddles for 24 hours. Peppa has ridden a bike for a long time. 主语 + have/ has + 过去分词 助动词,无意义 非三单+have 三单+has 动词在完成时里的变化形式 动词原形：do 过去式：did 现在分词：doing 过去分词：done work--worked live--lived stop--stopped cry--cried 过去分词的规则变化 1.直+ed 2.去e+ed(不发音) 3.双+ed(辅元辅结构) 4.改y+ied 原形 过去式 过去分词 形式 cut cut cut AAA catch caught caught ABB come came come ABA begin began begun ABC 4 句型转换 I have planted all the trees. I've planted all the trees. She has planted all the trees. She's planted all the trees. I have planted all the trees. I have not planted all the trees. I haven't planted all the trees. I have planted all the trees. Have you planted all the trees? Yes,I have. No,I haven't. How long has Peppa watched Peppa Pig ? 特殊疑问词+一般疑问句 现在完成时 上集完 $$