Unit 8 第3课时 Grammar Focus (4a-4e)-【宝典训练】2025-2026学年八年级下册英语高效课堂（人教版·新教材）

Unit 8 Making a Difference 第三课时 Grammar Focus(4a-4c) 课前导学 重点单词>> 1.军队/ami/ 名词(n.) 2.慈善机构（或组织）；慈善事业t∫erti/ →ad,charitable慈善的；宽 容的 形容词 3.小学教育的；首要的/'prarmeri/. →ad.primarily主要地→n.primary (ad.) (美国)初选 4.热情地；温暖地wo:mli/ →ad.wam温暖的；热情的→n.warmth温 副词(ad.) 暖；热情 重点短语> (P75)分担工作；帮忙做 课堂研学 (名师点拨) 现在完成时（二） for&since+综合运用 一、两者共性 均用于现在完成时，修饰动作从过去开始并持续到现在 二、具体区别 关键词 后接内容 含义 时间段（数字+时间单位），如：two years/,hree for 强调“动作持续了多久” months/a week/hours。 ①过去时间点（具体时间/日期）， 如：2023/last Sunday/9o'clock since 强调“动作从何时开始” ②一般过去时从句（动作发生的起点）， 如：Iwas12/she joined the group ①We have done volunteer work for five months.我们做志愿工作已经五个月了。 ②She has cared for the elderly for over a year.她照顾老人已经一年多了。 ③He has been a member of the charity group since2022.他从2022年起就是慈善小组成员了。 4They haven't missed any sports events since they started volunteering. 自从开始做志愿工作，他们没错过任何体育赛事。 ●>155《● 英语·八年级·下册(RJ) 三、速记口诀 for带时长，since带起点；两者表持续，完成时态跟；提问用How long,答案对应准。 四、对比记忆 She has taught kids English for5 years.(她教孩子英语已经5年了—强调持续时长) She has taught kids English since2021.（(她从2021年起教孩子英语一强调开始时间) 这两句核心意思一致，仅侧重点不同，可互换。 五、易错点强化 ①瞬间动词转换后，才能与for/since连用： ☒He has bought the book for2 weeks.(buy是瞬间动词，不能表持续) ☑He has had the book for2 weeks.(转换为延续性动词have) She has joined the youth group since last month. ☑She has been in the youth group since last month.(转换为bein) ②since从句必须用一般过去时： He has lived here since he has graduated. ☑He has lived here since he graduated.(从句用一般过去时) ③for可省略（口语中），since不可省略： (M)I have known him for 5 years.I have known him 5 years. (☒)I have known him since2018.→不可省略since。. 号【牛刀小试】翻译句子 号(1)我们已经为慈善比赛准备了两周了。（用for) 号(2)自从他加入青年小组，他就一直在帮助流浪动物。（用since) 8 (3)她拥有这本志愿手册已经三个月了。 G 六、易混点辨析（选填：现在完成时/一般过去时） cf0500005e000eJee0e00000050505050505050e5e0e5ee0e500050e5505e50-e5e5e0e0e5eh &【牛刀小试】 8(1)He (has lived/lived)in Beijing for 5 years,and he still lives there. 8(2)He has lived/lived)in Beijing 5 years ago,but now he lives in Shanghai. O O0 X D0DG-QOGOOGOGXOGO0O OGOG DGOG D0 DG O0 X 00 O0 N OGOG OG OO O OG O0 NOG OG O O0O0O0O0O0 00 D0 N 00 00 0 0G 七、课堂小结 1.for接时间段，表“持续多久”；since接过去时间点/从句，表“从何时开始”； 2.两者均与现在完成时连用，搭配延续性动词； 3.对for/since提问用How long,牢记瞬间动词转换规则。 ●>156《0. Unit 8 Making a Difference 课堂评价 一、单项选择。 )1.She to inspire others since the disaster happened. A.has tried B.tried C.will try D.tries )2.She in this neighbourhood since she was born,so she every street here. A.lives;knows B.has lived;knows C.lived;knew D.will live;will know )3.-How long you in this school? -Since I was in Grade 7.I here for two years. A.are;studying;am B.have;studied;have been C.did;study;was D.will;study;will be )4.They have kept the poem in mind hundreds of years ago A.for B.since C.in D.at )5.They friends since they shared the ice creams. A.are B.were C.have been D.will be )6.The Giant the children to play in the garden for years. A.has allowed B.allowed C.will allow D.is allowing )7.-The new science museum is so fantastic. -Yes,it is.I have visited it three times it opened last month. A.for B.during C.since D.from )8.Tom likes the book The Wonderful Wizard of Oz very much.And he the novel 3 times. A.have read B.has read C.read D.reads 二、用for或since填空。 1.They have worked in the animal shelter six months. 2.I haven't seen my volunteer partner last Saturday. 3.She has been a doctor in the village 2020. 4.We have practised English together three hours. 5.He hasn't eaten anything he got up this morning. 三、根据汉语意思完成句子，每空一词。 1.(2025贵州毕节三模)DeepSeek的成功展示了中国在人工智能制造方面已经取得了巨大的进步。 The success of DeepSeek shows that China great progress in making Al. 2.（2025贵州铜仁一模)自2004年以来，她就一直在马兰村教授音乐。 She music in Malan Village since 2004. ●157《●. 英语·八年级·下册(RJ) 3.(2025北京期中·节选)自从去年加入体育俱乐部以来，我坚持做运动。 I since I joined the sports club last year. 4.他们从未见过雪。 They snow. 5.她选了一本书作报告。 She for her report. 6.你做完作业了吗？ you finished your homework yet? 四、语法选择。 I have been a volunteer in our community centre 1 I was 14 years old.For two years,I 2 lots of meaningful work with my classmates.Last Saturday,we 3 a charity sale in the park to raise money. We 4 for the sale for a whole week before that day.Many kind people came and bought our things,and the money we got 5 to the kids in a village nearby.So far,our volunteer team 6 over 30 kids with their school things.I feel so 7 when I see the kids'big smiles.I usually go to the community centre 8 Saturday mornings.I 9 tired of helping others,and I hope we 10 more for people in need in the future )1.A.for B.since C.at ( )2.A.do B.have done C.did )3.A.held B.hold C.have held )4.A.prepare B.have prepared C.prepared )5.A.gave B.was given C.gives )6.A.has helped B.helped C.helps )7.A.proud B.pride C.proudly )8.A.in B.on C.at )9.A.was never B.have never been C.has never been )10.A.did B.can do C.have done 知识掌握情况评价：优秀口 良好口 还需巩固口 错题摘记： ●>158《●英语·八年级下册 *Reading Plus拓展阅读选学 -1.Because Nils had been mean to the farm animals,like pulling the cat's tail,running after the hens and throwing shoes at the cow. 2.He thought reading was so boring and he hadn't had any fun from it for a long time. 3.The elf offered Nils an old coin,a silver spoon and a big gold coin. 4.Nils fell over,and when he got up,the elf had disappeared and Nils had become smaller turned him into another elf). 5.Because Nils had become smaller after the elf's magic,so the desk seemed bigger to him 二、1.刻薄的：不友好的2.消失；不见3.实际上：事实上 4.承诺；答应5.尖叫；呼喊 三、l.拉猫的尾巴2.make a promise3.朝…扔鞋子 4.enter quietly5.摔倒；跌倒 1.Swedish 2.leave 3.cow 4.bored 5.front door 6.gold 7.smaller 8.disappeared 9.bigger Unit 8 Making a Difference 第一课时Section A（1a-1d) 〔课前寻学月 重点单词 1.visitor 2.organization 3.stadium 4.can 5.provide 6.elderly 重点短语 1.make a difference 2.the elderly 【课掌研学 名师点拨 1.(1)visitors (2)visitors (3)visitors (4)visit 2.(1)elderly (2)elderly (3)elderly (4)Elderly (5)elder (6)old 3.(1)provides (2)provides (3)provided (4)provide 4.(1)pick up (2)pick up (3)picked up (4)pick up (5)pickup 〔课堂逆价】 1.visitors 2.elderly 3.organizing 4.stadium 5.proud 1.difference 2.to organize 3.to guide 4.picked up 5.being 三、l.make a difference to the world 2.guides visitors through the museum 3.organize an activity 4.will be held in the city stadium 5.the owner of 1.organization 2.since 3.stadium 4.guides 5.visitors 6.weeks 7.has picked 8.years 9.to look 10.makes 第二课时Section A（2a-3d) 〔课前导学j 重点单词 1.owner 2.cage 3.donation 4.shelter 5.interviewer 6.youth 7.active 重点短语 come along 〔课堂研学月 听说课型 一、l.He is watching a show about volunteering. 2.She has been a volunteer there for two years. 3.She cleans the cages,feeds the animals,looks after the new dogs and collects donations for the shelter. 4.He can volunteer about once a week. 二、 第一节信息转述 Rose has been a volunteer at an animal shelter for two years.She cleans the cages,feeds the animals,looks after the new dogs and collects donations for the shelter.Robert watched a show about volunteering and wanted to volunteer too.He had a dog when he was young and looked after it,so he has experience of caring for animals.He can volunteer at the shelter about once a week,and the interviewer will show him around. 第二节信息询问 1.What other animals do you look after at the animal shelter? 2.How did you think of collecting donations for the animal shelter? 名师点拨 1.(1)owner (2)owner (3)owns (4)own (5)own 2.(1)donations (2)donation (3)donation (4)donation (5)donated 3.(1)Come along (2)comes along (3)coming along (4)come along (5)come out 〔课堂评价！ -1.owner 2.cage 3.donations 4.interviewer 5.shelter 6.youth 7.active 二、l.The interviewer2.to collect donations 3.come along 4.owner of the little dog to pick it up 5.put the injured kitten into a clean cage 6.take an active part in 1.youth 2.volunteer 3.elderly 4.active 5.to use 6.because 7.care for 8.come along 9.more 10.shelter 第三课时 Grammar Focus(4a-4c) 〔课前寻学月 重点单词 1.army 2.charity 3.primary 4.warmly 重点短语 help out 〔课堂研学月 名师点拨 (1)We have prepared for the charity match for two weeks. (2)Since he joined the youth group,he has been helping homeless animals. (3)She has had this volunteer handbook for three months. 六、(1)has lived(2)lived 就课堂逆价 -、1.A2.B3.B4.B5.C6.A7.C8.B 二、1.for2.since3.since4.for5.since 三、l.has made/,achieved2.has taught 3.have kept doing exercise/sport/sports 4.have never seen 5.has chosen a book 6.Have 四、1.B2.B3.A4.B5.B6.A7.A8.B9.B 10.B 第四课时Section B（1a-2c) 〔课前寻学日 重点单词 1.lady 2.gentleman 3.teamwork 4.value 5.audience 6.success 7.pocket 8.effort 9.donate 10.missing 11.practical 12.life-saving 13.successful 14.voluntary 15.ordinary 16.worth 17.willing 18.elder 19.bark 20.adult 重点短语 1.sign up 2.ever since 3.most of all 4.on the go 5.in need 6.hand out 〔课堂研学】 阅读课堂 一、l.a speech2.Blue Sky Rescue volunteer work 3.A Blue Sky Rescue volunteer 4.2009 5.2013 1.He joined it in 2009.Because he was helped by Blue Sky Rescue in 2008 when his friend got injured during hiking,and he wanted to help others too. 2.He has learnt many practical life-saving skills,the power of teamwork and the value of every life. 3.The work is difficult,they aren't paid,and they often go without food or sleep 4.Because he wants to save as many people as possible, and he knows they are heroes to the saved people and their loved ones. 5.Bravery,kindness,a strong sense of responsibility, teamwork spirit and professional life-saving skills. 三、l.Greet2.Hook3.20094.Teach5.medical 6.Teamwork 7.life 8.Dangerous 9.heroes 10.Invite 1.helped 2.joined 3.volunteer 4.teach 5.save 6.learnt 7.teamwork 8.value 9.difficult 10.invite 名师点拨 1.(1)lady (2)lady (3)Ladies 2.(1)adults (2)adult (3)adult (4)adult :〔课堂逆价 -1.voluntary 2.effort 3.successful 4.successfully 5.valuable 6.valueless 7.worth 1.voluntary voluntarily 2.efforts effortless 3.success successful 4.successfully success 5.value valuable 6.worth worthy 7.audience auditory 1.voluntary 2.audience 3.lady 4.volunteer 5.effort 6.team 7.worth 8.adults'9.gentlemen 10.success 参考答案 第五课时Section B(3a-4c) 一读写综合能力提升 词汇导学 1.talent 2.madam 3.advertisement 重点短语 familiar with 句子仿写 To take part in this competition,just hand in an application form！ 名师点拨 1.(1)has a talent for (2)talent (3)talents (4)talented (5)was talented in 2.(1)is familiar with (2)became familiar with (3)isn't familiar with (4)is familiar to 项自式写作！ (一)回答问题： 1.Li Hua. 2.He thinks nothing is more important than volunteering to help others. 3.He is going to a history museum to ask if they need volunteers. 4.He will work as a librarian and help readers find the books they want. 5.He thinks the meaning of life is giving. (二)短语积累： 1.in my opinion 2.volunteer to help others 3.be willing to do sth.4.spend time doing sth. 5.history museum 6.invite sb.to do sth. 7.clean up the city park 8.as is well known 9.the more...the more... (三)佳句应用： 1.In my opinion,nothing is more important than spending time with family. 2.The more you practice,the better you will become. 书面表达 ●谋篇布局 第一人称一般现在时 ●实战演练 Dear John, Hope this email finds you well.I'm writing to share an unforgettable experience I had. Last weekend,I joined an environmental protection volunteer activity in my community.Together with other volunteers,I spent hours cleaning up garbage in the neighbourhood park.We collected all kinds of waste,from plastic bottles to paper. After that,we shared knowledge about environmental protection with local residents and encouraged them to do garbage sorting. Thanks to our efforts,the park looked clean and tidy at the end of the day.I felt really proud.I believe everyone's small actions can make a big difference to our environment. Do you have any similar volunteer stories?I'm looking 5