这份导图以 “人教版PEP小学英语四年级上册” 的核心内容为蓝本，因为它是中国大陆最主流的教材之一，覆盖了该年级的核心知识点，您可以根据孩子使用的具体教材,进行微调。

小学四年级英语思维导图
（图片来源网络，侵删）

小学四年级英语核心知识体系思维导图

这张导图旨在帮助孩子将零散的知识点串联成一个有机的整体，形成“知识网络”,而不是孤立地背诵单词和句型。

中心主题：My English World (我的英语世界)

第一分支：单元主题

四年级上册通常有6个核心单元,每个单元都有一个主题。

  • Unit 1: My Classroom (我的教室)

    • 核心词汇: classroom, window, door, picture, blackboard, light, fan, computer, wall, floor
    • 核心句型:
      • 询问位置: Where is ...? It's in/on/under/near the ...
      • 回答: It's in/on/under/near the ...
      • 指令: Let's clean the classroom. Good idea!
      • 描述: We have a new classroom.

  • Unit 2: My Schoolbag (我的书包)

    小学四年级英语思维导图
    （图片来源网络，侵删）
    • 核心词汇: schoolbag, English book, math book, Chinese book, storybook, notebook, candy, toy, key
    • 核心句型:
      • 询问物品: What's in your schoolbag? An English book and a math book.
      • 询问数量: How many ... do you have? I have ... (注意: many + 复数名词)
      • 回答: I have ... (注意: a/an + 单数名词)

  • Unit 3: My Friends (我的朋友们)

    • 核心词汇: friend, long hair, short hair, strong, thin, quiet, friendly, funny
    • 核心句型:
      • 描述外貌: He/She has ... (long hair / a big nose).
      • 描述性格: He/She is ... (friendly / funny).
      • 询问是谁: Who's he/she? He/She is ...
      • 介绍朋友: This is my friend. His/Her name is ...

  • Unit 4: My Home (我的家)

    • 核心词汇: home, room, study, kitchen, bedroom, bathroom, living room, phone, bed, sofa, table, fridge
    • 核心句型:
      • 询问地点: Where are ...? They're in the ...
      • 回答: They're in the ...
      • 介绍房间: This is my home. You can see a ... in my bedroom.
      • 指令: Go to the living room. Watch TV.

  • Unit 5: What Would You Like? (你想要什么？)

    • 核心词汇: rice, fish, beef, soup, noodles, vegetable, juice, bread, milk, egg, water
    • 核心句型:
      • 点餐: What would you like (to eat/drink)? I'd like some ...
      • 询问需求: Can I have some ...? Sure. Here you are.
      • 提供帮助: Help yourself!

  • Unit 6: Meet My Family! (见见我的家人！)

    小学四年级英语思维导图
    （图片来源网络，侵删）
    • 核心词汇: family, parents, brother, sister, grandfather (grandpa), grandmother (grandma), uncle, aunt, baby, cousin, doctor, farmer, driver, nurse
    • 核心句型:
      • 介绍家人: This is my family. These are my parents.
      • 询问职业: What's your ...'s job? He/She is a ...
      • 回答: He/She is a ...

第二分支：核心语法

这是四年级英语的骨架,是理解和运用语言的基础。

  • 名词

    • 可数名词: 有单复数之分。
      • 规则变化: book -> books, cat -> cats (一般+s)
      • 特殊变化: bus -> buses, box -> boxes (s, x, ch, sh结尾+es); baby -> babies (辅音+y结尾，变y为i+es); child -> children (不规则)
    • 不可数名词: 没有复数形式，不能直接用 a/an 或 many 修饰，如: water, rice, juice, milk

  • 代词

    • 主格代词: I, you, he, she, it, we, they (作主语)
      • 例: He is my friend.
    • 物主代词: 表示“我的、你的、他的...”
      • 形容词性物主代词: my, your, his, her, its, our, their (后面必须跟名词)
        • 例: This is my book.
      • 名词性物主代词: mine, yours, his, hers, ours, theirs (后面不跟名词，单独使用)
        • 例: This book is mine.

  • 动词

    • Be动词: am, is, are
      • 口诀: 我用am，你用are,is跟着他她它。
      • 例: I am a boy. He is my teacher. They are friends.
    • 情态动词: can (能，可以)
      • 例: I can swim. She can sing.
    • 实义动词: like (喜欢), have (有), go (去), clean (打扫)等。

  • 介词

    • 方位介词: in (在...里面), on (在...上面), under (在...下面), near (在...旁边)
      • 例: The cat is on the desk. The ball is under the chair.

  • 句型结构

    • 陈述句: 主语 + 谓语 + 其他.
      • 例: I have a new schoolbag.
    • 一般疑问句: Be动词/情态动词 + 主语 + ...?
      • 例: Is she in the study? Can you see the bird?
    • 特殊疑问句: 疑问词 + 一般疑问句?
      • 例: Where is my pen? What's in your desk? How many books do you have?

第三分支：核心词汇

按主题分类,方便孩子联想记忆。

  • 人物

    • 家庭成员: family, father (dad), mother (mom), parents, brother, sister, grandfather (grandpa), grandmother (grandma), uncle, aunt, cousin
    • 职业: teacher, student, doctor, nurse, driver, farmer, cook
    • 朋友: friend, boy, girl

  • 地点

    • 学校: school, classroom, library, playground
    • 家: home, room, study, kitchen, bedroom, bathroom, living room

  • 物品

    • 教室用品: desk, chair, window, door, blackboard, light, fan, computer, picture
    • 学习用品: schoolbag, English book, math book, Chinese book, storybook, notebook, pencil, pen, ruler
    • 食物饮料: rice, fish, beef, soup, noodles, vegetable, juice, bread, milk, egg, water, candy, cake
    • 其他物品: key, toy, phone, table, sofa, bed, fridge

  • 形容词

    • 描述外貌: long hair, short hair, big eyes, small nose, strong, thin
    • 描述性格: quiet, friendly, funny, good, nice

第四分支：核心句型

按功能分类,让孩子知道在什么场景下说什么话。

  • 打招呼与告别

    • Hello! / Hi! / Good morning! / Good afternoon!
    • Goodbye! / See you! / Bye-bye!

  • 询问与介绍

    • 询问姓名: What's your name? My name is ...
    • 询问是谁: Who's he/she? He/She is ...
    • 介绍他人: This is ... He/She is my friend.
    • 询问物品: What's this/that? It's a/an ... What are these/those? They're ...
    • 询问数量: How many ... do you have? I have ...
    • 询问位置: Where is ...? It's in/on/under/near ... Where are ...? They're in ...

  • 表达喜好与需求

    • 表达喜好: I like ... / I don't like ...
    • 点餐/索要: What would you like? I'd like some ... Can I have some ...? Sure. Here you are.

  • 描述事物

    • 描述外貌: He/She has ... (long hair).
    • 描述职业: He/She is a ... (teacher).
    • 描述位置: The book is on the desk.

  • 提出建议与指令

    • 建议: Let's ... (Let's clean the classroom.)
    • 指令/请求: Open the door, please. Clean the window. Go to the study.

如何使用这份思维导图？

  1. 打印出来：将这张导图打印出来，贴在孩子书桌前或课本的扉页上,随时可以看。
  2. 课堂笔记：孩子可以在学习每个单元时，把老师补充的新单词、新句型,用不同颜色的笔填到对应的分支里。
  3. 复习工具：考前复习时，让孩子看着导图，自己回忆每个分支下的内容,这比单纯地翻书更高效。
  4. 口语练习：家长可以指着导图的某个分支（如 "My Friends"），和孩子进行角色扮演,用里面的句型进行对话。
  5. 创作延伸：鼓励孩子在每个分支下添加自己的东西，"My Favourite Food" (我最喜欢的食物)，或者画上相应的图画,让导图变得更个性化。

希望这份详细的思维导图能帮助您的孩子在四年级英语的学习中，建立起清晰的知识框架,爱上英语！