Unit 1 Grammar现在完成时课件2026-2027学年外研版英语八年级上册

该初中英语课件聚焦“现在完成时”核心语法，通过视频观看任务（提问高频词）结合“Have You Ever”情境图片导入，从结构（have/has+过去分词）到用法（经历、已完成），再到与一般过去时的对比，构建递进式学习支架。 其亮点在于情境化任务设计，如“我去过...”句型练习、“那些年我做过的好事/犯过的错”写作，提升语言能力；通过对比分析（如“吃过早餐”现在完成时与一般过去时的区别）培养思维品质；多样化练习（填空、段落补全）增强学习能力。学生能在真实语境中运用语法，教师可高效开展互动教学。

Watch the video. What words appears most often? 现在完成时 Present Perfect Tense 1. 曾经做过的事情 (讲经历) ever, never, before, yet I have been to ... 我去过... I haven’t been to ... Have you been to ...? 我没去过... Yes, I have. No, I haven’t. I have _______ a fish, but I haven’t ________ a fish. eaten killed seen kept drawn caught I have __________about death , but I haven’t _____serious illnesses. dreamt got I have ____________________, but I haven’t _______________. dreamt about winning won a first prize I have ______ a picture of a mummy, but I haven’t _______________ a mummy. (木乃伊) seen taken photos of I have ________ of trying a roller coaster, but I haven’t _____ it. (过山车) thought tried I have _______________ it, but I haven’t _________________. lost found it I have ________about it, but I haven’t _________it. known tasted My dad has _______ to the Great Wall. He hasn’t ______back yet. gone come I have done something good. 1. ___________________________ 2. ___________________________ 3. ___________________________ 那些年我做过的好事。 I have done something bad. 1. ___________________________ 2. ___________________________ 3. ___________________________ 那些年我犯过的错。 现在完成时 Present Perfect Tense 2. 已经完成的事情 (暗示结果) already, just, yet We have cleaned the classroom. Infer (暗示的结果): ___________ 教室现在是干净的。 You have eaten a lot. Infer (暗示的结果): ___________ 肚子已经很饱,不能再吃了。 I have seen the movie. Infer (暗示的结果): ___________ 我知道它的内容讲什么 have + 过去分词 (-ed) has + 过去分词 (-ed) I have eaten breakfast. (现在完成时) 强调现在 (结果：不饿) I ate breakfast this morning. (某个时间的行为) (一般过去时) 只讲过去 “三单” (经历：已经,…过) 我们已经完成了工作。 We _______ _______ the work. 火车已经开走了。 The train _____ ______. 竞赛已经开始了。 The competition _____ _____. have finished has left has started has begun 1. Kate __________ (eat) breakfast already and she feels full now. 2. I _______ (fly) to Hong Kong last summer. 3. How many letters ______ you ever _________ (write) to your pen friend? 4. In 2004, Liu Xiang ________ (break) the Olympic Games record. 5. -- _______ you ever _______ (run) in the rain? -- No, not yet (还没有). 6. She ____(buy) a book when she was there. has eaten flew have written broke Have run bought (经历:还没做/结果:Maddie不知道) (结果:我明白了道理, 影响一直延续到现在或者将来) I have just cut my long hair. She has never worried about her looks. I have just painted a beautiful flower on my face. Chris has always worn glasses. Jessica has already changed her opinion on her looks. have always been have never wanted have heard have learnt Thank you! $