Unit2 Grammar 课件 -2025-2026学年译林版八年级英语下册

该初中英语课件聚焦现在完成时，系统讲解have/has + done的结构、否疑形式及用法，重点对比have gone to、have been to、have been in的含义与标志词，结合for/since时间状语和延续性动词转换，构建从基础到辨析再到应用的递进学习支架。 其亮点在于通过表格对比、对话练习、日记填空及错题纠正，强化语言能力和思维品质。动词转换表和多样化练习帮助学生清晰掌握易混点，教师可直接用于课堂教学，提升学生运用能力，同时提高教学效率。

Present perfect tense-2 现在完成时-2 U2 Grammar have/ has+ done 1. 强调过去动作持续到现在 2. 强调过去动作对现在有影响 结构站 否疑站 have gone& have been站 用法站 状语站 for&since站 I have already bought the book. 否: I haven’t bought the book yet. 疑: Have you bought the book yet? -Yes, I have./ No, I haven’t. for+一段时间; since+时间点; recently; so far; just; before; never& ever; these days; already& yet; in the past 2 years... have gone to & have been to & have been in have gone to 某人去了某地 e.g. Polly has gone to Shanghai. She’ll be back in 2 weeks. TIP: 含have gone to的句子中主语的人称一般为___________人称 1. --Where is Millie? --She has gone to America with her family. 2. Suzy is not at home. She has gone to the bookshop. 3. Kitty and her family have gone to Hong Kong. They will come back next week. 第三 have gone to & have been to & have been in have been to 某人去过某地 e.g. -- Have you ever been to Kunming? -- No. I have never been to Kunming. TIP: 含have been to的句子可以接_________，如once，twice， many times 也可以和 never, ever, just, before等词连用。 1. My father has been to Beijing twice. 3. Have you ever been to the supermarket to buy grapes? 2. I have never been to America before. 次数 have gone to & have been to & have been in have been in 某人呆在某地 e.g. I have been in Huai’an since 2015. TIP: 含have been in的句子中常与_________连用，这种状语常包括： 1.for+段时间 2.since+时间点 3.since+时间段+ago 4.how long开头 1. I have been in Shanghai for three years. 3. How long has he been in Hong Kong? 2. He has been in Hong Kong since five years ago. 一段时间 have gone to & have been to & have been in has gone has gone has gone has been has been has been have gone have gone to & have been to & have been in has been has gone have been has been have gone have been have/has been in/at have/has been to have/has gone to 含义 标志词 共同点 一直待，表示持续 for … since … 去过/没去过，已回 表示经历 次数/ever/never/ just 去了，现在不在 未回 Where is …? … will come back. He has gone to somewhere. I have been to there many times. I have been in here for two days. 后面有home/here/there/somewhere/abroad等地点副词+Where去掉介词 Conclusion: have/ has+ done 1. 强调过去动作持续到现在 2. 强调过去动作对现在有影响 结构站 否疑站 have gone& have been站 用法站 状语站 for&since站 I have already bought the book. 否: I haven’t bought the book yet. 疑: Have you bought the book yet? -Yes, I have./ No, I haven’t. for+一段时间; since+时间点; recently; so far; just; before; never& ever; these days; already& yet; in the past 2 years... for & since for two hours for five days for ten years for a long time sine 8 a.m. since 2024 since last Friday since I was a child for+时间段 since+开始时间点 1. They have lived in Madrid_________1972. 2. He has known about the fact_________a long time. 3. Our teacher has been very ill_________ last month. 4. I haven’t eaten anything_________twenty-four hours. 5. I haven’t been there_________I left school. 6. Polly has lived in Shanghai______ three years. 7. I know that you have never seen a lion_________ you were born. 8. He hasn’t spoken to me even a word_________ the last meeting. 9. I haven’t phoned him_________a week. 10. He has been the principal of our high school _________1988. since for since for since for since since for since Polly has lived in Shanghai for three years. Polly has lived in Shanghai _____ three years ago. since for 和 since都可以表示动作的延续性 for two years since two years ago 在现完肯定句中，看到for和since应该用 短暂性动词/ 延续性动词 现完 肯定句 否定句 有for/since 无for/since 长动词 短动词 变长动词 How to correct these wrong sentences? leave -- have been away (from) He has been away from Beijing for a week. buy -- have had They have had a car since 2020. been on been over been in/at been away kept been in ... been a member of... been married been dead had had a cold been open been closed been ill/asleep 短动词变长动词 1. School finished a month ago. School ________________ for a month. 2. He borrowed this book a week ago. He _________ this book for a week. 3. She bought this dress three weeks ago. She ________this dress since three weeks ago. 4. My little dog died five months ago. My little dog _____________ for five months. 5. He arrived in Beijing last year. He ____________ Beijing since a year ago. has been over has kept has had has been dead has been in 1. We ______ Xiao Li since she was a little girl . A. know B. had known C. have known D. knew 2. His father ______ the Party since 1978 . A. joined B. has joined C. was in D. has been in 3. --Do you know him well ? -- Sure .We _________ friends since ten years ago . A. were B. have been C. have become D. have made 4. --How long have you been here ? It _____ ten years since he left the army . A. is B. has C. will D. was 5. has Mr White been a member of Greener China since he to China? How soon, comes B. How often, got C. How long, came D. How far, arrived 6. When he arrived at the bus stop, the bus ___ for 20 minutes. A. has left B. had left C. has been away D. had been away 7. The factory ____ since the February of 1988. A . has been open B. has opened C. was open D. opened 8. Mary and Rose ____ friends since they met in 2000. A. have made B. have been C. made D. have become 9. --- Where are the teachers now? --- In the meeting room. They ________ the meeting for 10 minutes. A. have begun B. have been on C. have had D. have been held arrived have been went told has been keeps Thank you! $