Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)

2026-04-21
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学段 初中
学科 英语
教材版本 初中英语人教版八年级下册
年级 八年级
章节 Unit 3 Growing Up
类型 课件
知识点 -
使用场景 同步教学-单元练习
学年 2026-2027
地区(省份) 全国
地区(市) -
地区(区县) -
文件格式 PPTX
文件大小 6.60 MB
发布时间 2026-04-21
更新时间 2026-04-21
作者 张老师在线英语小课堂
品牌系列 -
审核时间 2026-04-21
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来源 学科网

摘要:

该初中英语单元复习课件系统梳理了人教版八年级下册Unit 2 Stay Healthy的核心语法点,包括反身代词的构成规律与用法、情态动词should/could表建议的功能及连词because的原因表达,通过表格对比、规律总结及固定搭配归纳,构建清晰的语法知识网络。 其亮点在于以“语法规则-语境应用-分层练习”为主线,结合健康主题设计情境例句,如用反身代词描述志愿者活动、情态动词给出健康建议,培养学生语言运用能力与逻辑思维品质。练习涵盖课本基础题与拓展提升题,助力分层教学,有效巩固语法知识,为教师提供精准复习指导。

内容正文:

八年级下册 Unit 3 GROWING UP 人教版初中英语 语法专项 1 人教版8下(单元) 语法点 Unit 1 Time to Relax ①动词不定式1  ②一般过去时  ③一般现在时 Unit 2 Stay Healthy ①反身单词1 ②情态动词(should/chould)  ③连词(because) Unit 3 Growing Up ①表让步/时间/目的连词 ②反身代词2 ③ could 的多场景用法 Unit 4 The Wonders of Nature ①形容词/副词比较级与最高级 ②大数的表达 ③so that④现在完成时1 Unit 5 Nature’s Temper ①过去进行时 ②连词when/while ③情态动词should ④复合名词 Unit 6 Crossing Cultures ①连词 so...that, unless, as soon as ②-ed/-ing 形容词 ③否定前缀 Unit 7 A Good Read ①现在完成时2 ②动词不定式2 ③so…that…  ④名动同形 Unit 8 Making a Differences ①for/since ②现在完成时与过去时的综合运用 2 表让步/时间/目的连词 CONTENTS 反身代词2 课本+拓展(练习) could 的多场景用法 3 PART ONE 表让步/时间/目的连词 4 1.让步连词:although /though/even if 用法对比表 类别 共性特点 差异特点 例句 although 1. 引导让步状语从句 2. 主从句存在转折关系 3. 不可与 but 连用 引导客观存在的事实让步; 不能放在句末 Although it was cold, he went out without a coat. 虽然天气很冷,他没穿外套就出去了。 though 1. 引导让步状语从句 2. 主从句存在转折关系 3. 不可与 but 连用 引导客观存在的事实让步; 可放在句末作补充说明 Though he is very busy, he always helps others. 尽管他很忙,却总是帮助别人。 even if 1. 引导让步状语从句 2. 主从句存在转折关系 3. 不可与 but 连用 引导假设性让步,情况未必真实发生 Even if I fail, I won’t give up. 即使我失败了,我也不会放弃。 5 2. 时间连词:until(直到…… 为止) 用法 句式结构 动词要求 例句 解析 肯定句用法 主句(肯定)+ until 从句 主句动词为延续性动词 (wait, stay, live, work 等) I will wait here until you come back. wait 是延续动作,一直持续到 “你回来” 为止。 He stayed in bed until lunchtime. stay 是延续动作,持续到午饭时间。 否定句用法 主句(否定)+ until 从句 主句动词为短暂性动词 (go, come, leave, start, finish 等) I didn’t go to bed until I finished my homework. go to bed 是短暂动作,直到写完作业才发生。 She didn’t leave until the rain stopped. leave 是短暂动作,雨停那一刻才离开。 The baby didn’t stop crying until his mother came. stop crying 是短暂动作,妈妈来了才发生。 6 3. 目的连词:so that(为了;以便) 用法 结构说明 例句 解析 表肯定目的 (为了、以便) so that + 从句 (常含 can/could/will/would) I get up early so that I can catch the bus. 早起的目的是赶车,从句用 can。 表否定目的 (以免、免得) so that...not... I spoke quietly so that I would not wake the baby. 目的是 “不吵醒”,用 so that...not。 从句放句首 So that + 从句,主句. So that he could pass the exam, he studied hard. so that 从句可放句首,句尾加逗号。 与 in order that 对比 in order that + 从句 (只放主句后) She practices every day in order that she can win. in order that 从句只能放后面。 7 PART TWO 反身代词2 核心功能: 指代主语本身,强调 “亲自、独自” 或 “动作作用于自身” 作宾语:用于动词或介词后,主语与宾语为同一人。 He hurt himself while playing basketball. 他打篮球时伤到了自己。(动词 hurt后接反身代词作宾语) The little boy dressed himself quickly this morning. 这个小男孩今早自己穿好了衣服。(动词 dress 后接反身代词 himself,表示动作作用于主语自身) She often talks to herself when she is thinking. 她思考时经常自言自语。( 介词 to 后接反身代词作宾语) You should believe in yourself when facing difficulties. 面对困难时,你应该相信自己。介词短语 believe in 后接反身代词 yourself,表示动作的对象是自己。 反身代词2-深层用法 核心功能: 指代主语本身,强调 “亲自、独自” 或 “动作作用于自身” 反身代词2-深层用法 作同位语:用于主语或宾语后,起强调作用,可省略,不影响句子结构。 The teacher himself will give us a lecture tomorrow. 老师本人明天会给我们讲课。(强调 “老师亲自”) We made the model plane ourselves. 我们自己做的飞机模型。(强调 “我们亲手”) She herself will solve the problem. 她本人会解决这个问题。(强调 “她亲自”) You must finish the work yourself. 你必须自己完成这项工作。(强调 “你独自 / 亲手”) 反身代词2-深层用法 常见固定搭配 反身代词搭配 含义 例句 by oneself 独自;靠自己 Kelly finished the project by herself.凯利独自完成了项目。 help oneself to... 随便吃 / 用…… Help yourself to the snacks—they are for everyone. 随便吃点心,是给大家准备的。 enjoy oneself 玩得开心 The students enjoyed themselves at the summer camp. 学生们在夏令营玩得很开心。 behave oneself 表现得体 It’s important to behave oneself in public when growingup. 成长中,在公共场合表现得体很重要。 lose oneself in... 沉浸于…… He lost himself in reading stories about growing up. 他沉浸在阅读成长故事中。 11 反身代词2-深层用法 反身代词用法易错点 1. 反身代词不能单独作主语 Herself will finish the report. (反身代词不能单独作主语) She herself will finish the report. (反身代词作同位语,主语为 she,用 herself 呼应) 2. 人称 / 性别不匹配 He hurt herself when he fell down. (主语 he 为男性,反身代词用了女性的 herself,人称性别混淆) He hurt himself when he fell down. (主语 he 对应反身代词 himself,人称性别一致) ✓ × ✓ × 反身代词2-深层用法 反身代词用法易错点 3. 单复数不匹配 The girl bought themselves a new pen. (主语 the girl 是单数,反身代词用了复数 themselves,单复数混淆) The girl bought herself a new pen. (主语单数,反身代词用单数 herself,单复数一致) 4. 第二人称单复数易错错误: You should believe in yourself when you are in trouble. (主语 you 指代 “你们” 时,反身代词误用了单数 yourself) You should believe in yourselves when you are in trouble. (主语 you 指代 “你们”,反身代词用复数 yourselves) ✓ × ✓ × PART THREE  could的多场景用法 could 是 can 的过去式,但在本单元里,更多不表示过去,而表示更委婉、客气的语气。无人称和数的变化,后接动词原形。否定式:could not = couldn’t could 的多场景用法 表示委婉、客气地提出请求 比 can 更礼貌,多用于向别人借东西、请人帮忙。 结构:Could you + 动词原形…? 回答:肯定:Sure. / Of course. / Certainly. / No problem. 否定:Sorry, I can’t. / I’m afraid not.(不用 No, I couldn’t.) 例句: Could you please clean your room? 请你打扫一下你的房间好吗? Could I use your dictionary? 我可以用一下你的字典吗? could 是 can 的过去式,但在本单元里,更多不表示过去,而表示更委婉、客气的语气。无人称和数的变化,后接动词原形。否定式:could not = couldn’t could 的多场景用法 2. 表示过去的能力(can 的过去式) 表示 “过去能 / 会做某事”,现在不一定能。 When he was three, he could speak a little English. 他三岁时就会说一点英语。 I could swim at the age of five. 我五岁就会游泳了。 She could play the piano when she was six.她六岁时就会弹钢琴。 They could run very fast when they were young.他们年轻时跑得很快。 My father could drive a car at the age of eighteen. 我爸爸十八岁时就会开车了。 could 是 can 的过去式,但在本单元里,更多不表示过去,而表示更委婉、客气的语气。无人称和数的变化,后接动词原形。否定式:could not = couldn’t could 的多场景用法 3. 表示委婉、客气地提出建议 语气比 should 更温和,不强制。 结构:Could + 主语 + 动词原形…? You could talk to your best friend. 你可以和你最好的朋友谈谈。 Could we go to the park this afternoon? 我们今天下午可以去公园吗? You could write her a letter. 你可以给她写一封信。 You could ask your teacher for help. 你可以向你的老师求助。 We could go there by bike. 我们可以骑自行车去那儿。 could 是 can 的过去式,但在本单元里,更多不表示过去,而表示更委婉、客气的语气。无人称和数的变化,后接动词原形。否定式:could not = couldn’t could 的多场景用法 4. 表示可能性(不太肯定) 意为 “可能、或许”,多用于否定句 / 疑问句。 It could rain this afternoon. 今天下午可能会下雨。 He couldn’t be in the library. 他不可能在图书馆。 The story could be true. 这个故事可能是真的。 She could be in the classroom. 她可能在教室里。 They couldn’t be right. 他们不可能是对的。 TIPS TIP1: could 提问,不用 could 回答 —Could I use your pen? —No, you couldn’t. —Could I use your pen? —Sorry, you can’t. TIP2: could 后永远跟动词原形 He could goes to school early. He could go to school early. TIP3: 表 “委婉请求” 时,could 不表示过去 Could you help me? 不是 “你过去能帮我吗?”,而是 “你能帮我吗?” ✓ × ✓ × PART FOUR  课本+拓展(练习) 课本 练一练 虽然你们吵过架,但你们仍然是非常亲密的朋友。 直到你和他谈过,你才会知道他的感受。 你可以给父母写信,以便他们了解你的感受。 如果你做错了事或说错了话,你应该道歉。 引导让步状语从句,表示 “虽然、尽管”,主从句不能同时用 but。 构成 not...until... 结构,表示 “直到…… 才……”,主句为否定句时,从句用肯定形式。 引导目的状语从句,表示 “为了、以便”,从句常含 will/can 等情态动词。 引导条件状语从句,表示 “如果”,此处为真实条件句,从句用一般过去时,主句用 should 提出建议。 If If so that Although until if 引导条件状语从句,表示 “如果……”,说明 “感到难过” 时应该采取的做法。 although 引导让步状语从句,表示 “虽然 / 尽管…… 但是……”,说明 “有时会伤害你” 和 “并非故意” 之间的转折关系。 so that 引导目的状语从句,表示 “为了 / 以便……”,说明 “和亲人倾诉” 的目的是让快乐加倍、烦恼减半。 if 引导条件状语从句,表示 “如果……(不)……”,此处隐含 “如果你不道歉” 的语境,说明道歉与否会影响对方的态度。 not...until... 是固定搭配,表示 “直到…… 才……”,说明 “只有设身处地,你才会明白她为什么难过”。 22 you feel stressed he might not have any advice for you. you talk about your problems with someone you trust. you can reduce stress / these things can help reduce stress! 23 1. If I spend more time studying, I will get better grades. (if 引导的真实条件状语从句,遵循 “主将从现” 规则:从句用一般现在时(spend),主句用一般将来时(will get)。表达 “如果…… 就会……” 的因果关系。) 2. Don’t say anything or make big decisions until you can control your anger. (主句为否定祈使句,表示 “直到…… 才……”。强调 “先冷静再行动”) 3. Although others might say bad things about you, you should stay true to yourself / you don’t have to care about them.(although 引导让步状语从句,表示 “虽然…… 但是……”,主句不能同时用 but) 4. I will spend more time with my family and friends / I will do more things I enjoy so that I’ll be happier. (so that 引导目的状语从句,表示 “为了 / 以便……”,说明前面动作的目的。表达 “我要多陪家人朋友 / 做喜欢的事,为了让自己更开心”) 24 单项选择 1.He ______ speak English very well when he was a child. A.can B.could C.may D.might 2.She is gifted in languages. She learns Spanish by ________. A.himself B.herself C.yourself D.myself 3.—Mum, let me give you a hand with the cooking! —Honey, be careful with the knife. Don’t hurt ________ while cutting. A.you B.your C.yourself 4.In the journey of self-improvement, we should be proud of ________ for every step forward. A.ourselves B.themselves C.yourselves 5.Jack is gifted in languages. He learns Spanish by ________. A.himself B.ourselves C.yourselves D.myself 拓展练一练 25 6.He got up early ________ he could catch the first bus to school. A.although B.until C.so that D.as 7.________ the task was very difficult, they finished it on time. A.Until B.So that C.Although D.As soon as 8.— Where is Linda? — I’m not sure. She ________ in the school library. A.could be B.must be C.can’t be D.will be 9.—What’s the date for the graduation ceremony? —It _____ be on June 25th. But I’m not sure. A.could B.couldn’t C.must D.mustn’t 10.There is ________ in my bag, so I don’t think it was stolen. It ________ have been put somewhere in my room, but I’m not sure. A.nothing valuable ;must B.something valuable; need C.nothing valuable; could D.something valuable; can 拓展练一练 26 11.Boys, you should be independent and look after ________ when you’re alone at home. A.you B.yours C.yourselves 12.The little girl can finish her homework ________. She doesn’t need any help. A.on her own B.with others C.by herself D.for herself 13.After attending the fun workshop, we made a horse lantern by __________. A.myself B.ourselves C.itself D.themselves 14.My little sister is only 5, but she can wash ________ clothes by ________. A.her; herself B.herself; her C.her; her 15.After reading the guidebook carefully, we can make the paper-cutting _______. A.myself B.yourselves C.themselves D.Ourselves 16.They saved money ________ they could buy a new house next year. A.when B.until C.so that D.if 27 17.________ it was strange to eat with hands in India, I tried my best to follow the local custom. A.Although B.Because C.If D.So 18.She continues to read every night, ________ she is very busy with her homework. A.though B.because C.if D.unless 19.________ it was raining heavily, the football match went on as planned. A.If B.Because C.Unless D.Although 20.--My book. The House of Hades, is missing. Who have taken it? --Sorry, I have no idea. A.need B.must C.should D.could 21.—Mom, I got a box from the Yuantong Express(快递) ,what’s in it? —I’m not sure. I bought so many things on line this week, it _____ be your shoes. A.should B.must C.could D.need 28 THE END 人教版初中英语 语法专项 29 $

资源预览图

Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)
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Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)
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Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)
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Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)
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Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)
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Unit 3 Growing up 单元语法:表让步时间目的的连词、反身代词2、could的多场景用法(精讲)2025-2026学年八年级英语下册(新教材人教版)
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