Unit 2 Be Good Friends(期中知识清单)四年级英语上学期(北京版·新教材)

2025-09-29
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学段 小学
学科 英语
教材版本 小学英语北京版四年级上册
年级 四年级
章节 Unit Two Be Good Friends
类型 学案-知识清单
知识点 -
使用场景 同步教学-期中
学年 2025-2026
地区(省份) 全国
地区(市) -
地区(区县) -
文件格式 DOCX
文件大小 367 KB
发布时间 2025-09-29
更新时间 2025-09-29
作者 xkw-星轩
品牌系列 上好课·考点大串讲
审核时间 2025-09-29
下载链接 https://m.zxxk.com/soft/54160024.html
价格 3.00储值(1储值=1元)
来源 学科网

摘要:

该小学英语知识清单系统梳理了北京版四年级上册Unit2"Be good friends"的核心内容,涵盖现在进行时、情态动词can、打电话常用句型、一般现在时四大语法考点及主题写作训练,构建了从考点解析到专项练习再到综合应用的递进式学习支架。 清单以"考点拆解+对比表+场景应用"整合知识体系,如现在进行时分"一般/特殊疑问句对比表"明晰结构,情态动词can强调"后接动词原形"规则,一般现在时配"三单主语加s"记忆口诀,培养学生语言能力和思维品质。设计"易错点标注""写作四步模板"等实用工具,如写作指导提供"介绍朋友-日常活动-互助事例-心情总结"框架及参考句型,助力学生自主学习,教师可据此精准教学,提升课堂效率。

内容正文:

知识清单·北京版四年级上册 Unit2 Be good friends 知识梳理 知识点拨 【考点一】现在进行时 【考点二】情态动词can的使用 【考点三】打电话常用句型 【考点四】一般现在时 考点一:现在进行时 —What are you reading, Mike? —I'm reading a science book. 解析: (一)结构:现在进行时用来描述 “此时此刻正在做的动作”,结构是:be 动词(am/is/are) + 动词的 - ing 形式。 1. 问句中:“you(你)” 是第二人称,所以 be 动词用 are;“read(读)” 的 - ing 形式是 reading,所以问句是 What are you reading...?(你正在读什么?)。 2. 答句中:“I(我)” 是第一人称,所以 be 动词用 am;“read” 的 - ing 形式是 reading,所以答句是 I'm reading...(我正在读……)(“I'm” 是 “I am” 的缩写)。 (二)一般疑问句与特殊疑问句对比表 一般疑问句(Yes/No 回答) 特殊疑问句(具体信息回答) 核心功能 询问 “是否正在做某事”,用 “是 / 否” 回应 询问 “正在做什么、在哪里做、谁在做”,用具体内容回应 核心结构 1. 公式:Be 动词(am/is/are)+ 主语 + 动词 - ing + 其他? 2. 关键:把肯定句的 Be 动词提前 1. 公式:特殊疑问词 + Be 动词 + 主语 + doing + 其他? 2. 关键:特殊疑问词开头,加 “doing”(对动作提问时) Be 动词选择规则 按主语人称 / 数量选: - 主语 = I → am - 主语 = you / 复数 → are - 主语 = he/she/it/ 单数 → is 同左,Be 动词需匹配主语的人称 / 数量 常用疑问词 无(仅 Be 动词开头) 1. What(问 “做什么”,最常用) 2. Where(问 “在哪里做”) 3. Who(问 “谁在做”) 例句(原句→问句→回答) 例 1: 原句:I am cleaning the room. (我在打扫房间) 问句:Are you cleaning the room? (你在打扫房间吗?) 回答:Yes, I am. / No, I isn’t. 例 2: 原句:He is reading a storybook. (他在读故事书) 问句:Is he reading a storybook? (他在读故事书吗?) 回答:Yes, he is. / No, he isn’t. 例 1(What): 原句:She is drawing a cat.(她在画猫) 问句:What is she doing?(她在做什么?) 回答:She is drawing a cat. 例 2(Where): 原句:They are playing basketball in the park.(他们在公园打篮球) 问句:Where are they playing basketball?(他们在哪里打篮球?) 回答:In the park. 例 3(Who): 原句:Tom is watering flowers.(汤姆在浇花) 问句:Who is watering flowers?(谁在浇花?) 回答:Tom. 核心易错点 1. 主语是 “I” 时,问句要变 “you”,Be 动词 “am” 变 “are”(别错说 “Am you...?”) 2. 动词 - ing 形式不变(别变回原形) 1. 对动作提问必须加 “doing”(别错说 “What is she?”,要加 “What is she doing?”) 2. 回答不用 “是 / 否”,要给具体信息 (三)用法场景 当我们想知道别人现在正在做什么,或者要描述自己现在正在做的事,就用 “现在进行时”。比如: What are you doing? (你正在做什么?) I'm singing. (我正在唱歌。) 【大显身手】 一、单项选择题。 ( )1. Look! The children ______ games in the park. A. play B. are playing C. is playing ( )2. Tom ______ not watching TV now. He’s doing his homework. A. is B. do C. are ( )3.— ______ you drawing a cat? — Yes, I am. A. Are B. Do C. Is ( )4. My dad ______ dinner in the kitchen now. A. is cooking B. cooks C. cook ( )5.— Are you reading a storybook? — ______ A. Yes, I am. B. I’m not. C. Yes, I do. 考点二:情态动词can的使用 1. —Can I read it with you? —Sure, we can read it together. 2. I can’t remember the poem. 解析:“can” 表示 “能、会、可以”,核心用法是 “后接动词原形”。 (一)句子 1:—Can I read it with you? —Sure, we can read it together. 1. 句子类型:can 引导的一般疑问句(提问请求)+ 肯定回应 2. 结构拆解(重点) 句子部分 具体内容 语法解析 问句(请求) Can I read...? - Can:情态动词,开头引导疑问句,表 “请求许可”(问 “我可以做某事吗?”) - I:主语(第一人称) - read:动词原形(can 后必须接动词原形,不能说 “reads”“reading”) 答句(肯定) we can read... - can:情态动词,表 “能、可以”(回应 “我们能一起做”) - we:主语(复数) - read:动词原形(同样遵循 “can + 动词原形” 规则) 3. 用法场景:用于向别人 “请求一起做某事” 比如想和同学一起看书、一起玩游戏,都可以用 “Can I + 动词原形 + with you?”,答句用 “Sure/Yes, we can + 动词原形 + together.”(“together” 表示 “一起”,贴合场景)。 (二)句子 2:I can’t remember the poem. 1. 句子类型:can 的否定句(表 “不能做某事”) 2. 结构拆解(重点) 句子部分 具体内容 语法解析 主语 I 第一人称,说明 “谁” 不能做某事 情态动词否定式 can’t - “can’t” 是 “can not” 的缩写,表 “不能、不会” - 否定规则:直接在 can 后加 “not”,不用加 “don’t/doesn’t” 动词 remember 动词原形(can’t 后同样必须接动词原形,不能说 “remembers”“remembering”) 宾语 the poem “the poem”(那首诗),说明 “不能做的具体事情” 3. 用法场景:用于表达 “自己没有能力做某事” 比如记不住单词、不会游泳,都可以说 “I can’t + 动词原形...”,例如:“I can’t swim.”(我不会游泳)、“I can’t spell this word.”(我不会拼这个单词)。 (三)总结:情态动词 “can” 的 3 个核心规则(必记) 1.后接动词原形:无论肯定、否定、疑问,can/can’t 后面都必须用动词原形(如 read、remember,不能变形式)。 2.否定式简单:直接在 can 后加 not,缩写为 can’t(不用 “don’t can”)。 3.疑问句开头:请求许可或问能力时,用 “Can + 主语 + 动词原形...?”(如 “Can you help me?”“Can he sing?”)。 【大显身手】 1、 单项选择 ( )1. — ______ I read the book with you? — Sure! We can read it together. A. Am B. Is C. Can ( )2.I ______ remember the new words. They are too hard for me. A. can’t B. aren’t C. don’t ( )3.Tom ______ play football with us after school. He likes football very much. A. can B. likes C. is ( )4.— Can we read the poem together in class? — ______ A. Sure, we can. B. No, we aren’t. C. Yes, we do. ( )5.— ______ you help me find my pencil? I can’t find it. — Yes, I can. A. Do B. Can C. Are 考点三:打电话常用句型 —Hello, Auntie. This is Guoguo. May I speak to Lingling? —Sorry, Guoguo. Lingling is sleeping. 解析:这段对话是小学阶段确认他人身份的典型口语交际场景,核心围绕 “远指身份确认” 的一般疑问句及自然回应展开。 (1) 第一句核心知识点 1.电话用语的固定表达 This is Guoguo.(我是果果。) 解析:打电话时,不能说 “I am Guoguo.”,必须用 “This is + 自己的名字” 表示 “我是……”这是英语电话沟通的固定习惯(类似中文 “喂,我是果果”)。 2. 核心知识点 :情态动词 may 表 “请求许可” May I speak to Lingling?(我可以和玲玲通话吗?) 部分 内容 语法说明 情态动词 May 表 “请求许可”,意为 “可以”,语气比 “can” 更礼貌(适合对长辈 / 陌生人请求) 主语 I 第一人称,指 “请求的人(果果)” 动词原形 speak “may” 后必须接动词原形,“speak to sb” 是固定短语,意为 “和某人通话” 宾语 Lingling 指 “想要通话的人(玲玲)” 用法场景:想请求对方允许自己做某事(如借东西、通话、提问),都能用 “May I + 动词原形...? ”,比如: May I borrow your pen?(我可以借你的钢笔吗?) May I ask a question?(我可以提一个问题吗?) (二)第二句核心知识点:现在进行时表 “此时此刻的动作” Lingling is sleeping.(玲玲正在睡觉。) 部分 内容 语法说明 主语 Lingling 第三人称单数(单个名字),所以 be 动词用 “is” be 动词 is 匹配主语 “Lingling”(单数),不能用 “am”(配 I)或 “are”(配复数 /you) 动词 - ing sleeping “sleep”(睡觉)变 - ing 形式时,直接加 “ing”(规则变化),表 “正在睡觉” 的动作 语境作用:用现在进行时说明 “玲玲现在正在睡觉”,所以不能接电话,解释了 “无法通话的原因”,比如: My mom is cooking now.(我妈妈现在正在做饭。) The cat is playing with a ball.(小猫正在玩球。) (三)总结:必记重点 电话用语:介绍自己用 “This is + 名字”,不用 “I am...”。 May I...?:礼貌请求许可,后接动词原形(如 May I come in? 我可以进来吗?)。 现在进行时:表 “现在正在做的事”,单数主语(如 Lingling/he/she)配 “is + 动词 - ing”。 【大显身手】 ( )1. — Hello, this is Tom. ______ I speak to Lucy? — Hold on, please. A. Am B. May C. Do ( )2.When making a phone call, you should say “______” to introduce yourself. A. I am Lily B. My name is Lily C. This is Lily ( )3.— Is your brother ______ now? I want to talk to him. — No, he’s free. Come here, please. A. study B. studying C. studies ( )4.— May I use your ruler for a minute? — ______ A. Sure,Here you are. B. No, I don’t. C. Yes, I am. ( )5.Lingling ______ to her friend on the phone. She’s doing her homework now. A. isn’t talk B. isn’t talking C. doesn’t talk 考点四:一般现在时 He always shares good things with me. (一)一一般现在时用来表示 “经常性、习惯性的动作”,句中 “always(总是)” 是典型标志词,提示动作反复发生。当主语是 “第三人称单数”(如 he/she/it/ 单个名字,这里主语是 “He”)时,谓语动词要发生变化,这是重点!always表示 “总是”,属于频度副词,必须放在实义动词(这里是 share)前面,不能说 “shares always”。 (二)用法场景: 用来描述 “某个人经常和自己分享物品、快乐等”,比如同学总是分享文具、朋友总是分享有趣的事,都可以用这个句式,只需替换 “good things” 即可,例如: He always shares toys with me.(他总是和我分享玩具。) She always shares stories with me.(她总是和我分享故事。) 【易错点】 1.主语是 “第三人称单数”(he/she/it/Tom 等)时,动词一定要加 “s”,别漏写!(比如不能说 “He always share...”) 2.“with” 后面接人称时,要用宾格(me/you/him/her/them),不能用主格(I/you/he/she/they)。 3.“always” 要放在实义动词前面,比如 “He always plays basketball.”(正确),不能说 “He plays always basketball.”(错误)。 【记忆口诀】 “三单主语要记牢,he/she/it 跟着跑;动词末尾加个 s”,“always 位置别放错,实义动词前站好”,“share sth with sb 记,with 后宾格不能少”。 【大显身手】 ( )1. He always ______ good books with his classmates. A. share B. shares C. sharing ( )2.She ______ helps her mom clean the room after school. A. always B. always is C. is always ( )3.My brother likes to ______ his snacks ______ his best friend. A. share; with B. share; to C. share; for ( )4.Lily often ______ her toys with ______ after class. A. share; she B. shares; her C. shares; I ( )5.Tom ______ gives his drawing ______ me every weekend. A. often; I B. often; me C. often gives; my 写作指引 一、写作。 Write a short passage about your good friend. It should fit the unit theme "be good friends", include 5-6 sentences, and talk about your daily time with your friend or how you help each other. (一)写作指导 1.第一步:确定 “你的好朋友是谁”:先简单说出好朋友的名字,作为短文开头,让读者知道你写的是谁。 2.第二步:写 “你们每天一起做的事”:选一件简单的日常活动(比如一起上学、一起玩),用 “every day” 体现经常做的事。 3.第三步:写 “你们互相帮助或分享的小事”:举一个具体的小例子(比如帮记单词、分享书、借文具),体现 “good friends” 的互助 / 分享。 4.第四步:写 “和朋友在一起的心情” 或 “对好朋友的感受”:用简单的句子表达开心的心情,或总结 “好朋友要互相帮助”,收尾短文。 (2) 参考句型: 1.介绍好朋友:My good friend is ______. (例:My good friend is Lucy.) 2.日常一起做的事:We ______ together every day. (例:We walk to school together every day. / We play games together every day.) 3.互助或分享的小事:When I ______, my friend helps me. (例:When I can’t find my pencil, my friend helps me.) I share ______ with my friend too. (例:I share my snacks with my friend too.) 4.心情或总结:We are happy when we ______. (例:We are happy when we play together.) Good friends ______, and I love my good friend. (例:Good friends help each other, and I love my good friend.) (二)范文: My Good Friend My good friend is Tom. We go to school together every day. When I can’t remember a word, Tom helps me. I share my storybooks with him too. We are happy when we play together. Good friends help each other, and I love my good friend. 综合训练 一、单项选择题。 ( )1. My friend Tom always ______ his toys with me. A. share B. shares C. sharing ( )2.—Hello, ______ I speak to Lingling? —Sorry, she’s not here. A. may B. am C. do ( )3.When I can’t find my pen, my friend ______ me. A. help B. helping C. helps ( )4.We often go to school ______ together every morning. A. with B. / C. for ( )5.—Can you help me with my English? —______ A. Yes, I can. B. No, I don’t. C. Yes, I am. 二、根据括号内提示或上下文,补全单词或用所给词的正确形式填空。 1. Lucy is my good ______ (朋友). We play together every day. 2.My brother often ______ (help) my mom clean the room. 3.Let’s read the story ______ (一起). It’s very interesting. 4.—May I ______ (call) you this evening? —Sure! 5.He always ______ (share) his snacks with his deskmate. 三、从方框中选择合适的单词,补全句子(每词限用一次)。 (help share good together call) 1. My sister is a ______ friend. She always helps me. 2.We often do our homework ______ after school. 3.Can you ______ me carry this heavy bag? 4.I want to ______ my new book with you. It’s about animals. 5. Let’s ______ Lingling. She wants to play with us. 四、将 A 栏的问句与 B 栏的答句用线连起来。 A 栏 B 栏 1. May I speak to Guoguo? 2.What do you do with your good friend? 3.Does your brother share his toys with you? 4.Can you help me remember this poem? 5.Is she your new friend? A. Yes, he does. He’s very kind B. Sorry, you can call later. C. Yes, she is. Her name is Lily. D. Sure! Let’s read it together. E. We often play games and share snacks. 五、按要求改写句子。 1. He shares his storybooks with me.(改为否定句) 2. I can help you with your math.(改为一般疑问句) 3. Lingling is drawing a picture for her friend.(改为一般疑问句) 4. We play basketball together every weekend.(对划线部分提问) 5. This is my good friend.(改为复数句) 六、补全对话。 A. This is Guoguo speaking. B. Do you want to share it with me? C. Sure! Let’s meet at the park at 4 o’clock. D. Hello, is Lingling in? E. I have a new science book. Guoguo: Hello! ______ Lingling’s mom: Hello! Hold on, please. Lingling: Hello? Guoguo: Hi, Lingling! ______ Lingling: Hi, Guoguo! What’s up? Guoguo: ______ It’s about space. ______ Lingling: Yes! I love space books. Guoguo: ______ Lingling: Great! See you then. 七、【新情境·生活运用】情境判断与纠错。 1. My friend always help me with my homework. ( ) 改正:____________________________________ 2. When you make a phone call, you can say “I am Tom speaking.” ( ) 改正:____________________________________ 3. We can share our happiness with good friends. ( ) 改正:____________________________________ 4. He can reading a storybook to his little sister. ( ) 改正:____________________________________ 5.My good friend and I often play together. We are happy. ( ) 改正:____________________________________ 八、【新趋势·思维探究】根据例句,仿写句子(注意结合生活实际)。 1. 例句:He always shares his toys with me. 仿写:___________________________________ 2.例句:When I can’t find my pencil, my friend helps me. 仿写:___________________________________ 3.例句:We often go to the library together. 仿写:___________________________________ 4.例句:I can help my friend clean his desk. 仿写:___________________________________ 5.例句:My good friend and I are happy every day. 仿写:___________________________________ 参考答案 考点一: 一、1.B 2.A 3.A 4.A 5.A 考点二: 一、1.C 2.A 3.A 4.A 5.B 考点三: 一、1.B 2.C 3.B 4.A 5.B 考点四: 一、1.B 2.A 3.A 4.B 5.B 【综合训练】 一、单项选择题。 1.B 2.A 3.C 4.B 5.A 二、根据括号内提示或上下文,补全单词或用所给词的正确形式填空。 1. friend 2.helps 3. together 4.call 5. shares 三、从方框中选择合适的单词,补全句子(每词限用一次)。 1.good 2.together 3.help 4.share 5.call 四、将 A 栏的问句与 B 栏的答句用线连起来。 1-B 2-E 3-A 4-D 5-C 五、按要求改写句子。 1. He doesn’t share his storybooks with me. 2. Can you help me with my math? 3. Is Lingling drawing a picture for her friend? 4. What do you do together every weekend? 5. These are our good friends. 六、补全对话。 1.D 2. A 3. E 4. B 5. C 七、【新情境·生活运用】情境判断与纠错。 1. ×;My friend always helps me with my homework. 2. ×;When you make a phone call, you can say “This is Tom speaking.” 3. √ 4. ×;He can read a storybook to his little sister. 5. √ 八、【新趋势·思维探究】根据例句,仿写句子(注意结合生活实际)。 1. She always shares her snacks with me. 2.When I can’t spell a word, my friend helps me. 3.We often eat lunch together at school. 4.I can help my friend carry his schoolbag. 5.My good friend and I are happy when we play games. 学科网(北京)股份有限公司 $

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Unit 2 Be Good Friends(期中知识清单)四年级英语上学期(北京版·新教材)
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Unit 2 Be Good Friends(期中知识清单)四年级英语上学期(北京版·新教材)
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Unit 2 Be Good Friends(期中知识清单)四年级英语上学期(北京版·新教材)
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