内容正文:
《Unit 6 Sunshine for all-Grammar》教学设计
科目
英语
年级
八年级下册
课时安排
1课时
核心素养目标
语言能力:掌握动词不定式作目的状语、宾语补足语及“疑问词+不定式”的基本结构,能在公益主题语境中准确运用其进行表达、改写和仿写。文化意识:结合单元“关爱他人、奉献爱心”主题,理解中外公益行为中语言表达的共性,培养尊重差异、乐于助人的品格。思维品质:通过观察、分析、归纳语法规则,提升逻辑推理和知识迁移能力,能灵活运用语法知识解决实际表达问题。学习能力:养成自主探究、合作交流的学习习惯,学会梳理语法规律,提升自主学习和错题反思能力,为后续语法学习奠定基础。
教学重难点
重点:动词不定式作目的状语(to do表目的,in order to do的用法)、作宾语补足语(接to与不接to的动词辨析)及“疑问词+不定式”结构的构成和基本用法,能在语境中正确运用这三类结构完成句式转换和简单表达。难点:辨析接不定式作宾补时“to的省略”(如make/let/have等动词)与“to的保留”(如ask/tell/want等动词),掌握被动语态中省略to的不定式还原规则;灵活区分不定式作目的状语与其他状语的用法,避免句式混淆。
教学过程——主要思路
(一)热身导入:情境激趣,衔接旧知
1. 主题情境唤醒:展示残疾人参与公益活动、志愿者帮扶他人的图片和短视频(贴合Unit 6 “Sunshine for all”主题),提问学生:“What do the volunteers do to help the disabled people? What should we do to show our kindness?” 引导学生用简单的英语句子回答,教师板书学生回答中出现的不定式结构,如“to help the blind”“to donate money”“to learn sign language”。
2. 旧知回顾衔接:带领学生回顾不定式的基本含义(“去做某事”),结合七年级所学的“want to do sth.”“hope to do sth.”等结构,提问:“Do you remember these sentences? What’s the function of ‘to do’ here?” 引导学生初步感知不定式在句中可作宾语,进而过渡到本节课重点——不定式的其他用法(目的状语、宾补、疑问词+不定式)。
设计意图:以单元主题情境为切入点,既能激发学生的学习兴趣,又能自然衔接单元核心话题,让语法学习脱离孤立的规则记忆,贴合语境。通过回顾旧知,帮助学生建立知识关联,降低新知学习的难度,同时通过板书铺垫本节课重点结构,为后续探究做好准备,落实“语言能力”中基础表达和知识衔接的目标,渗透“文化意识”中关爱他人的理念。
(二)新知探究一:动词不定式作目的状语
1. 语境感知,发现规律
呈现一组贴合公益主题的例句,引导学生分组观察、讨论,找出不定式的用法规律:
① We need to raise money to help the homeless children.(我们需要筹款去帮助无家可归的孩子。)
② She learns sign language in order to communicate with the deaf.(她学习手语是为了和失聪的人交流。)
③ He gets up early to catch the bus to the volunteer center.(他早起是为了赶上去志愿者中心的公交车。)
提问引导探究:“What’s the purpose of ‘to help’ in sentence ①? Can we use ‘in order to’ instead of ‘to’ here? What’s the difference between ‘to do’ and ‘in order to do’?” 学生分组讨论后,教师总结:不定式“to do”和“in order to do”均可作目的状语,表示“为了做某事”,其中“in order to do”语气更强,可置于句首或句中,“to do”多置于句末;否定形式为“not to do”“in order not to do”。
补充例句强化感知:① In order not to make the disabled people feel lonely, we often visit them.(为了不让残疾人感到孤独,我们经常去看望他们。)② They came here not to travel, but to help.(他们来这里不是为了旅游,而是为了帮忙。)
2. 即时练习,巩固应用
设计分层练习,贴合学生学情,让不同层次学生都能参与:
基础题:用括号内动词的适当形式填空(侧重“to do”作目的状语)。
① Many students join the volunteer club ______ (help) others.(to help)
② We should plant more trees ______ (make) our city beautiful.(to make)
提高题:将下列句子改写为含“in order to”的句子(侧重两种结构的转换)。
① She works hard to pass the exam and become a volunteer. → She works hard in order to pass the exam and become a volunteer.
② He saved money to buy books for the poor children. → He saved money in order to buy books for the poor children.
拓展题:用“to do”或“in order to do”完成句子(结合公益主题,侧重语境运用)。
① I want to join the charity organization ______ ________________.(示例:to donate my books to the children in poor areas)
② ________________ in order to ________________.(示例:We organize a charity sale in order to raise money for the disabled)
练习完成后,采用“学生互评+教师点评”的方式,重点纠正否定形式的错误(如“in order not to do”误写为“not in order to do”)和句式位置错误,强调目的状语的核心是“说明动作的目的”。
设计意图:遵循“感知—探究—总结—应用”的认知规律,通过主题例句让学生自主发现语法规则,培养学生的逻辑思维能力(思维品质)。分层练习的设计贴合八年级学生的学情,基础题侧重规则记忆,提高题侧重结构转换,拓展题侧重语境运用,既能巩固新知,又能让学生将语法知识与单元主题结合,落实“语言能力”中句式运用的目标,同时进一步渗透“关爱他人、奉献爱心”的文化意识,培养学生的学习能力(自主练习与互评反思)。
(三)新知探究二:动词不定式作宾语补足语
1. 分类探究,辨析差异
结合单元主题,呈现两组不同的例句,引导学生分组探究不定式作宾补时“to的有无”规律:
第一组(接to的动词):
① The teacher asks us to help the new student.(老师让我们帮助这位新同学。)
② We expect them to join the volunteer activity.(我们期待他们加入志愿者活动。)
③ My parents encourage me to donate my old clothes.(我的父母鼓励我捐赠旧衣服。)
第二组(省略to的动词):
① Let us help the blind cross the road.(让我们帮助盲人过马路。)
② The volunteer makes the disabled children feel happy.(志愿者让残疾儿童感到快乐。)
③ I saw her help the old man carry the bag.(我看到她帮助老人拎包。)
提问引导辨析:“What’s the difference between the two groups of sentences? Which verbs need ‘to’ after them? Which verbs don’t need ‘to’?” 学生讨论后,教师总结:
(1) 接to的动词(常见):ask, tell, want, expect, encourage, advise, require等,结构为“动词+宾语+to do sth.”,表示“让/期待/鼓励某人做某事”。
(2) 省略to的动词(常见):let, make, have, see, watch, hear, feel等,结构为“动词+宾语+do sth.”,表示“让/看到/听到某人做某事”。
重点强调难点:当省略to的动词用于被动语态时,省略的to要还原。举例说明:
主动语态:The volunteer makes the children feel happy. → 被动语态:The children are made to feel happy by the volunteer.
主动语态:I saw her help the old man. → 被动语态:She was seen to help the old man by me.
2. 情境互动,深化理解
组织“志愿者指令”互动活动:教师扮演志愿者负责人,学生扮演志愿者,教师用含不定式作宾补的句子发布指令,学生根据指令完成动作并复述句子,强化对两种结构的记忆和运用。
示例:
Teacher: Ask your partner to collect the old books.(学生A对学生B说:I ask you to collect the old books. 学生B回应:OK, I will collect the old books.)
Teacher: Let your partner help the disabled student with his homework.(学生A对学生B说:Let me help you with your homework. 学生B回应:Thank you.)
Teacher: Make your partner feel warm with your smile.(学生A对学生B微笑并说:I make you feel warm with my smile. 学生B回应:I feel warm.)
活动结束后,随机抽取学生造句,教师针对性点评,重点纠正被动语态中“to的还原”错误和动词搭配错误(如误说“let sb. to do sth.”)。
3. 错题辨析,突破难点
呈现学生易错题,引导学生分组辨析、改正,加深对难点的理解:
① 错误:The teacher makes us to finish the homework on time. → 正确:The teacher makes us finish the homework on time.(解析:make后接宾补时省略to)
② 错误:We are made finish the work early. → 正确:We are made to finish the work early.(解析:被动语态中还原to)
③ 错误:I heard her to sing a song in the next room. → 正确:I heard her sing a song in the next room.(解析:hear后接宾补时省略to)
④ 错误:My mother advises me not do that. → 正确:My mother advises me not to do that.(解析:advise后接to do,否定形式为not to do)
设计意图:采用“分类探究”的方式,让学生自主辨析“to的有无”规律,培养学生的逻辑思维和探究能力(思维品质)。“志愿者指令”互动活动贴合单元主题,让语法学习变得生动有趣,同时锻炼学生的口语表达能力(语言能力),让学生在实践中运用语法知识。错题辨析环节直击难点,帮助学生梳理易错点,避免重复犯错,培养学生的学习能力(错题反思),同时结合公益主题的例句和活动,进一步渗透“乐于助人”的文化意识,实现“语法学习+德育渗透”的结合。
(四)新知探究三:“疑问词+不定式”结构
1. 语境导入,感知结构
结合志愿者活动中的实际问题,呈现例句,引导学生感知“疑问词+不定式”结构:
① The volunteer doesn’t know what to do to help the blind.(志愿者不知道做什么来帮助盲人。)
② Can you tell me how to donate money to the charity?(你能告诉我如何给慈善机构捐款吗?)
③ They are discussing where to hold the charity sale.(他们正在讨论在哪里举办慈善义卖。)
提问引导探究:“What’s the meaning of ‘what to do’ in sentence ①? Can we change it into a宾语从句? What疑问词 can we use before ‘to do’?” 学生讨论后,教师总结:
(1) 结构构成:疑问词(what, how, where, when, who, which)+ 不定式(to do),可在句中作宾语、主语或宾语补足语,相当于一个宾语从句(简化形式)。
(2) 举例转换:① I don’t know what to do. = I don’t know what I should do. ② She told me how to learn English. = She told me how I should learn English.
(3) 注意事项:疑问词后接不定式时,不定式需为及物动词(若为不及物动词,需补充介词),如“where to go”(go为不及物动词,无需补充介词)、“what to talk about”(talk为不及物动词,需补充介词about)。
2. 自主探究,拓展应用
让学生结合单元主题,分组完成“疑问词+不定式”与宾语从句的转换练习,每组分配不同的疑问词,完成后小组展示成果:
① 小组1(what):We don’t know what to donate. → We don’t know what we should donate.
② 小组2(how):He taught us how to help the deaf. → He taught us how we should help the deaf.
③ 小组3(where):They are thinking about where to hold the volunteer activity. → They are thinking about where they should hold the volunteer activity.
④ 小组4(when):Can you tell me when to start the charity show? → Can you tell me when we should start the charity show?
展示结束后,教师补充拓展:“疑问词+不定式”作主语时,常用it作形式主语,如“It’s important to know how to help others.”(知道如何帮助他人是重要的。),结合单元主题强化语境运用。
3. 主题写作,综合运用
设计简短的主题写作练习,让学生运用“疑问词+不定式”结构完成一个小片段(3-5句话),主题为“My Plan to Help Others”,要求至少包含2个“疑问词+不定式”结构。
示例:My Plan to Help Others
I want to help the homeless children, but I don’t know what to do first. My teacher tells me how to collect old clothes and books for them. I also want to ask my friends when to go to the children’s home together. I think it’s meaningful to know how to show our kindness to others.
学生完成后,抽取部分片段进行展示和点评,重点关注“疑问词+不定式”结构的正确性和语境贴合度,鼓励学生大胆表达,同时纠正介词补充错误(如误写“what to talk”)。
设计意图:从“语境感知”到“结构转换”,再到“主题写作”,遵循循序渐进的认知规律,让学生逐步掌握“疑问词+不定式”结构的用法,培养学生的知识迁移能力(思维品质)。小组探究活动培养学生的合作交流能力(学习能力),主题写作练习则将语法知识与写作结合,提升学生的语言综合运用能力(语言能力),同时紧扣单元“帮助他人”的主题,让学生在写作中深化对“关爱他人、奉献爱心”的理解,落实文化意识的培养目标。
(五)综合巩固:分层练习,全面提升
结合本节课所学的三类不定式用法,设计分层综合练习,兼顾不同层次学生的需求,全面巩固新知,同时将语法知识与单元主题深度结合,实现“学用结合”。
1. 基础层(全员必做):语法填空(侧重规则记忆和基础运用)
用括号内动词的适当形式填空,或根据句意填入适当的疑问词+不定式结构。
① We need to work hard ______ (improve) our English so that we can help more foreign volunteers.(to improve)
② My father often tells me ______ (not be) afraid to help the disabled.(not to be)
③ Let’s ______ (organize) a charity sale to raise money for the poor.(organize)
④ The children are made ______ (finish) their homework before going out to play.(to finish)
⑤ She doesn’t know ______ (how/what) to help the blind cross the road.(how)
⑥ Can you show me ______ (where/when) to buy the charity tickets?(where)
2. 提高层(选做):句式转换(侧重结构辨析和灵活运用)
① He joined the volunteer club to help others.(改为含in order to的句子)→ He joined the volunteer club in order to help others.
② The teacher makes us read English every morning.(改为被动语态)→ We are made to read English every morning by the teacher.
③ I don’t know what I should do to help the homeless.(改为含疑问词+不定式的句子)→ I don’t know what to do to help the homeless.
④ She advises me to donate my old books to the children in poor areas.(改为否定句)→ She advises me not to donate my old books to the children in poor areas.
3. 拓展层(选做):主题表达(侧重语境综合运用和德育渗透)
结合“Sunshine for all”主题,完成一篇80词左右的短文,要求包含本节课所学的三类不定式结构(目的状语、宾补、疑问词+不定式),题目为“We Should Help Others”。
提示词汇:volunteer, help, disabled, donate, in order to, ask...to..., how to...
练习完成后,采用“自主检查—同桌互查—教师抽查”的方式进行批改和点评,重点关注基础层练习的正确率,确保全员掌握核心规则;对提高层和拓展层练习,重点点评学生的句式运用灵活性和语境贴合度,鼓励学生创新表达,同时引导学生思考“如何用英语表达自己的爱心行动”,进一步渗透关爱他人的理念。
设计意图:分层综合练习的设计贴合八年级学生的学情差异,基础层侧重巩固核心规则,确保全员达标;提高层侧重结构辨析和灵活转换,提升学生的语言运用能力;拓展层侧重主题表达,实现语法知识与写作、德育的深度融合。多种批改方式结合,既能培养学生的自主学习和合作学习能力(学习能力),又能让教师及时了解学生的掌握情况,针对性进行查漏补缺,全面落实语言能力、思维品质、文化意识和学习能力的四维核心素养目标。
(六)课堂小结:梳理回顾,深化提升
1. 学生自主梳理:让学生以小组为单位,回顾本节课所学的三类不定式用法,用思维导图的形式(可在笔记本上简单绘制)梳理核心规则,每组派代表发言,分享小组的梳理成果。
2. 教师补充完善:教师结合学生的发言,用板书梳理本节课的核心知识点,重点强调易错点:
(1) 不定式作目的状语:to do / in order to do(否定:not to do / in order not to do),表“为了做某事”;
(2) 不定式作宾补:接to(ask/tell/want等)vs 省略to(let/make/see等),被动语态还原to;
(3) 疑问词+不定式:what/how/where等+to do,相当于宾语从句,不及物动词需补充介词。
3. 主题升华引导:教师总结:“Today we learn three uses of the infinitive. We can use them to talk about our actions to help others. Remember: small kindness can bring great warmth. Let’s use what we have learned to express our love and help those in need.” 引导学生将语法知识与公益行动结合,深化对单元主题的理解。
设计意图:让学生自主梳理知识点,培养学生的归纳总结能力和自主学习能力(学习能力),小组分享则锻炼学生的口语表达和合作交流能力。教师补充完善重点和易错点,帮助学生构建系统的知识体系,避免知识混淆。主题升华环节将语法学习与单元主题、德育教育结合,让学生在掌握知识的同时,树立“乐于助人”的意识,落实文化意识和情感态度的培养目标。
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