Unit 4 In the classroom（期末知识清单）三年级英语上学期（人教大同版·新教材）

该小学英语知识清单系统梳理了三年级上册Unit4 In the classroom单元内容，涵盖教室物品询问与描述、There be句型、教室指令表达、单复数变化及介词in/on/under用法五大核心考点，构建了从基础句型解析到情境应用训练的递进式学习支架。 清单采用分考点模块化设计，每个考点通过“核心句型-解析-例句-大显身手”四步呈现知识体系，如There be句型明确单复数结构并配判断改错题，强化语言能力。写作指引提供“梳理思路-拆解结构-核心句型”三步法，综合训练融入跨学科美术活动，培养思维品质与学习能力。参考答案详细规范，学生可自主检测，教师能据此优化教学，提升课堂效率。

知识清单·大同版三年级上册 Unit4 In the classroom 知识梳理 知识点拨 【考点一】询问与描述教室物品的句型 【考点二】“There be”句型的用法 【考点三】教室指令的表达 【考点四】教室物品单复数变化 【考点五】介词“in/on/under”的用法 考点一：询问与描述教室物品的句型 1.  核心句型： —What's in the classroom?（教室里有什么？）— There is/are + 物品.（有……） · 解析：这是询问和描述场所内物品的基础句型，“There be”表示“存在有”，后接具体物品。 · 例句：—What's in the classroom?—There is a blackboard and two fans. 2. 拓展句型：描述他人拥有某物——He/She has + 物品. - This is the reading room.（这是阅览室。） - 解析：用于介绍具体的教室或功能室，“this is”后接场所名称。 · 例句：This is the computer room.（这是电脑室。） 【大显身手】 一、单项选择题。 一、单项选择题。 （ ）1. —What's ____ the classroom?—There are some desks. A. on B. in C. under （ ）2. —This is ____ reading room.—It's big! A. a B. an C. the （ ）3. —What are these?—____ are chairs. A. It B. They C. This （ ）4. There ____ a computer on the desk. A. is B. are C. am （ ）5. —____ is the fan?—It's on the wall. A. What B. Where C. How 考点二：“There be”句型的用法 —There is a computer.有一台电脑。 —There are two fans.有两台风扇。 （单数）句型结构：单数物品：There is a/an + 物品. —解析：“a”用于辅音音素开头的单词前（如 a desk），“an”用于元音音素开头的单词前（如 an eraser）。 · 例句：There is a window in the classroom.（教室里有一扇窗户。） （单数）句型结构：There are + 物品（复数）. —解析：物品名称需用复数形式（一般在词尾加“s”，如 chair→chairs）。 · 例句：There are three lights.（有三盏灯。） 【大显身手】 一、判断并改错（对打“√”，错打“×”，并在横线上写出正确句子） 1. There are a blackboard.（ ）_________ 2. There is two doors.（ ）_________ 3. There is a fan.（ ）_________ 4. There are an apple on the desk.（ ）_________ 5. What's in classroom?（ ）_________ 考点三：：教室指令的表达 1. 核心指令： —祈使句（肯定）：Open/Close + 物品, please.（请打开/关上……） · 例句：Open the door, please.（请打开门。） —祈使句（肯定）：Turn on/off + 物品, please.（请打开/关掉……） · 例句：Turn on the fan, please.（请打开风扇。） —祈使句（否定）：Do not + 动词原形, please.（请不要……） · 例句：Do not talk, please.（请不要说话。） —常用指令：Stand up, please.（请站起来。）/ Sit down, please.（请坐下。） 【大显身手】 一、根据提示补全句子 1. ____（Open/Close）the window, please. It's cold. 2. ____（Turn on/Turn off）the light, please. It's dark. 3. Do not ____（eat/talk）in class, please. 4. Stand ____（up/down）, please. 5. ____（Clean/Open）the blackboard, please. 二、根据下面的描述选择合适的图片。 A. B. C. D. E. ( )1.Please open the window. ( )2.Do not talk in the class. ( )3.Sit down,please! ( )4.Don’t eat in class. ( )5.Please turn off the light. 考点四：教室物品单复数变化 —规则：大部分可数名词变复数时，在词尾加“s”。 · 例：desk→desks（书桌）、chair→chairs（椅子）、fan→fans（风扇）、light→lights（灯） 特殊：foot→feet（脚），本单元暂不涉及，作为拓展了解。 【大显身手】 一、写出下列单词的复数形式 1. blackboard → ______ 2. chair → ______ 3. computer → ______ 4. door → ______ 5. window → ______ 6.foot→ ______ 二、选择题。 （ ）1.There are two_________in front of the classroom. A. chair B. chairs C. a chair （ ）2.Look,there is a ______and two _______in my schoolbag. A. Chinese book;notebooks B. maths books;notebooks C. English book;notebooks （ ）3.—What's in the classroom? —We have a _______,an_________and five_________. A. blackboard;orange teacher’s desk;pictures B. big fan; blue teacher’s desk;pictures C. blackboard;brown teacher’s desk;fans （ ）4.【新考点·传统文化】Sanwei Shuwu is_________ in Zhejiang province.In the past times, we call it Sishu as classroom. A. a old classroom B. an old classroom C. old classrooms （ ）5.We need a_______and some _______for the sports meeet. A. desk;chairs B. desks;chairs C. a chair;a desk 考点五：介词“in/on/under”的用法 — There are many fans in the classroom.教室里有很多风扇。 —There is a computer in the classroom.教室里有一台电脑。 · 方位介词： in：在……里面 —例句：The book is in the desk.（书在书桌里面。） on：在……上面 —例句：The pen is on the desk.（笔在书桌上面。） under：在……下面 —例句：The ball is under the chair.（球在椅子下面。） 【大显身手】 一、选择正确的介词填空（in/on/under）。 1. The fan is ____ the ceiling（天花板）. 2. The bag is ____ the desk. 3. The ruler is ____ the pencil case. 4. The dog is ____ the chair. 5. What's ____ the classroom? 二、翻译句子。 1.There are two desks in the classroom.________________________________ 2.What’s in your schoolbag?________________________________ 写作指引 一、写作。 请根据自己的实际情况，介绍自己的教室。 要求：1. 句子通顺，思路清晰有条理。2. 不少于5句话。3. 字迹工整，没有单词拼写错误。 （一）写作指导（分 3 步，可直接套用） 第一步：梳理写作思路（先想 “3 个关键信息”） 关键部分 句型结构（举例） 1. 介绍教室 This is my classroom. It's big and clean. 2. 描述教室物品 There is/are... in the classroom. 3. 表达对教室的喜爱 I like my classroom very much. 第二步：拆解写作结构（分 “开头 - 中间 - 结尾”，每部分写 1-2 句） 第三步：必用核心句型（标注单元来源，确保扣题） 写作时优先用这些前单元学过的句型，既符合要求又不易出错： 1. 介绍教室：This is my classroom. 2. 描述物品：There is a... / There are some... 3. 指令拓展：We should keep quiet in the classroom. （二）范文： 范文： My classroom is big and bright. There is a blackboard on the wall. There are twenty desks and twenty chairs for us. There is a computer on the teacher's desk. We can read books in the reading room next to our classroom. I like my classroom very much. 综合训练 一、情景选择题。 （ ）1. 当你想知道教室里有什么，你会说：__________ A. What's in the classroom? B. What's in your schoolbag? C. Where is the classroom? （ ）2. 当老师让你打开窗户，会说：__________ A. Close the window, please. B. Open the window, please. C. Turn on the window, please. （ ）3. 你想告诉同学“风扇在天花板上”，应该说：__________ A. The fan is on the ceiling. B. The fan is under the ceiling. C. The fan is in the ceiling. （ ）4. 当你想提醒同学“不要在课堂上吃东西”，正确的表达是：__________ A. Do not eat in class, please. B. Do not talk in class, please. C. Eat in class, please. （ ）5. 你想知道“电脑在哪里”，应该问：__________ A. What is the computer? B. Where is the computer? C. How is the computer? 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. There ______（be）a blackboard in the classroom. 2. How many ______（desk）are there in your class? 3. ______（open）the door, please. It's hot. 4. The book is ______（on）the desk. 5. Do not ______（run）in the classroom. 三、从方框中选择合适的单词，补全句子（有两项是多余的）。 in on under open close turn on turn off 1. What is ______ your desk? 2. ______ the light, please. It's bright now. 3. The ball is ______ the chair. 4. ______ the book, please. Let's read. 5. There is a fan ______ the wall. 四、将A栏的问句与B栏的答句用线连起来。 A栏 B栏 1. What's in the classroom? A. It's on the wall. 2. Where is the blackboard? B. There are some chairs. 3. How many lights are there? C. Open the window, please. 4. What should we do? D. There are four. 5. Do you like your classroom? E. Yes, I do. 五、按要求改写句子。 1. There is a fan in the classroom.（对划线部分提问） _______________________________________________ 2. This is a desk.（改为复数句） _______________________________________________ 3. There are three doors.（对划线部分提问） _______________________________________________ 4. Open the door.（改为否定句） _______________________________________________ 5. What's in your classroom?（根据实际情况回答问题） _________________________________________________  六、给下面句子排序，使其生成一个完整的对话，第一个答案已给。 A. There are some desks and chairs. B. Hi, Tom! Look at our new classroom. C. Really? Let's go and see! D. Wow, it's big! What's in it? E. And there is a big blackboard. （ B ）→（ ）→（ ）→（ ）→（ ） 7、 【新情境·生活运用】情境判断与纠错. 1. There are a computer.（ ） 改正：____________________________________ 2. Open the fan, please.（ ） 改正：____________________________________ 3. The book is under the desk.（ ） 改正：____________________________________ 4. Do not open the door, please. It's cold.（ ） 改正：____________________________________ 5. What's on the classroom?（ ） 改正：____________________________________ 八、【新考法·表文转换】连词成句：从下面表格中选择合适的单词组成句子，写在横线上（单词可重复使用） in on under have There are desk chair blackboard close There is fan door 拼句1：____________________________________ 拼句2：____________________________________ 拼句3：____________________________________ 拼句4：____________________________________ 拼句5：____________________________________ 九、【跨学科·美术】结合自己的实际情况，画一画你的教室，并根据图画用5句话介绍教室里的物品。 _______________________________________ _______________________________________ _______________________________________ 参考答案 考点一： 一、1. B 2. C 3. B 4. A 5. B 考点二： 一、1. ×；There is a blackboard. 2. ×；There are two doors. 3. √ 4. ×；There is an apple on the desk. 5. ×；What's in the classroom? 考点三： 一、1. Close 2. Turn on 3. eat 4. up 5. Clean 二、1.B 2.C 3.D 4.E 5.A 考点四： 一、1. blackboards 2. chairs 3. computers 4. doors 5. windows 二、1.B 2.A 3.A 4. B 5.A 考点五： 一、1. on 2. under 3. in 4. under 5. in 二、1.教室里有两把椅子。 2.你的书包里有什么？ 【综合训练】 一、情景选择题 1. A 2. B 3. A 4. A 5. B 二、补全单词或用所给词的正确形式填空 1. is 2. desks 3. Open 4. on 5. run 三、选择单词补全句子 1. in 2. Turn off 3. under 4. Open 5. on 四、问句与答句连线 1-B 2-A 3-D 4-C 5-E 五、改写句子 1. What's in the classroom? 2. These are desks. 3. How many doors are there? 4. Do not open the door. 5. （示例）There is a blackboard and some fans in my classroom.（根据实际情况回答即可） 六、句子排序 （B）→（C）→（D）→（A）→（E） 七、【新情境·生活运用】情境判断与纠错 1. ×；There is a computer. 2. ×；Turn on the fan, please. 3. √ 4. √ 5. ×；What's in the classroom? 八、【新考法·表文转换】连词成句 1. There is a desk in the classroom. 2. The chair is under the desk. 3. Open the door, please. 4. There are some fans on the wall. 5. The blackboard is on the wall.（答案不唯一，符合语法和单元主题即可） 九、【跨学科·美术】思维探究 （图片略）This is my classroom. It's big. There is a blackboard on the wall. There are ten desks and ten chairs. I like my classroom very much.（根据自己的图画和实际物品描述，符合5句话要求即可） 学科网（北京）股份有限公司 $