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(共20张PPT)
Unit4 My Favorite Subject
SectionA (3a-3d)
人教版 七年级上册
学习目标
语言能力
学习能力
思维品质
文化意识
能够掌握三个连词的含义与用法；可以区分不同连词表达的逻辑关系，并能在真实语境中正确运用连词连接句子。
养成观察句式、及时归纳、整理笔记、反复操练的良好英语学习习惯。
能依托课堂活动，锻炼独立分析与发散思维，从被动接收知识转变为主动归纳语法规律。
体会连词的作用，感受英语依靠词汇体现逻辑的语言特点；认识语法知识对准确表达、顺畅交流的重要价值。
教学重难点
重点
难点
掌握连词的语义与用法，分清并列连词与从属连词所表达的逻辑关系；学会总结语法规律，结合自身特点找到高效的语法学习方法。
引导学生自主观察归纳，培养独立思考、多角度分析问题的发散思维；帮助学生灵活区分三类连词，理解语法在日常交际中的重要意义。
01
Review
Look and share.
Chinese
Maths
English
Moral Education
and Law
History
Geography
Biology
Art
A: What’s your favoritesubjects
B: I like all subjects but my favourite subject is ______.
A: Why do you like this subject
B: Because it’s _____ and ______.
02
Presentation
Grammar Focus
3a Read the sentences. Find out when to use and, but, and
because. Then complete the statements with and, but, or because.
I have art and geography today.
English is important, and my English teacher is really nice.
Biology is difficult but important.
History is my favourite subject, but my sister doesn’t like it.
I like Chinese because it’s fun.
He doesn’t like maths because it’s boring to him.
What are the similarities and differences between these two sentences
3a Read the sentences. Find out when to use and, but, and
because. Then complete the statements with and, but, or because.
I have art and geography today.
English is important, and my English teacher is really nice.
similarities differences
句子中都有连词 and 连接 and 连接的是两个单词 art and geography
and 连接的是句子
3a Read the sentences. Find out when to use and, but, and
because. Then complete the statements with and, but, or because.
Biology is difficult but important.
History is my favourite subject, but my sister doesn’t like it.
similarities differences
句子中都有连词 but 连接 but 连接的是两个单词 difficult but important
but 连接的是句子
3a Read the sentences. Find out when to use and, but, and
because. Then complete the statements with and, but, or because.
I like Chinese because it’s fun.
He doesn’t like maths because it’s boring to him.
similarities
句子中都有连词 because连接
because 连接的都是句子
连词 and，but 与 because
连词 and，but 与 because
英语中，在词和词、短语和短语、句子和句子之间起连接作用的词叫连词。
1. and 意为 “和，并且；然后；那么”，表示并列关系、顺承关系或条件和结果的关系。
连接名词短语和句子，表并列关系
The girl has long hair and a big mouth.这个女孩长着长发和一张大嘴。
1. and 意为 “和，并且；然后；那么”，表示并列关系、顺承关系或条件和结果的关系。
连接动词短语，表顺承关系
He gets up and brushes his teeth every morning.他每天早上起床然后刷牙。
连接句子，表条件和结果关系
Read more books, and you can learn a lot.多读书，你就能学到很多知识。
注：and 连接并列主语时，谓语动词用复数形式。
Tom and Jack are good friends.汤姆和杰克是好朋友。
连词 and，but 与 because
2. but 意为 “但是”，表示转折关系，连接意义相反或相对的词或句子。
连接单词
The bag is cheap but beautiful.这个包很便宜但是很漂亮。
连接句子
The bike is old, but it works well.这辆自行车很旧，但是很好骑。
3. because 意为 “因为”，引导原因状语从句，表示原因。
because 引导的原因状语从句可用来回答 why 开头的疑问句。
—Why do you like English 你为什么喜欢英语？
—Because it is very useful.因为它非常有用。
because 引导的原因状语从句可在主句前也可在主句后；放在主句前时，要用逗号与主句隔开。
Because it rains today, we stay at home.= We stay at home because it rains today.因为今天下雨，所以我们待在家里。
because 和 so（所以）不能同时用在一个句子里，只能选用其中一个。
3a Read the sentences. Find out when to use and, but, and
because. Then complete the statements with and, but, or because.
1.We use " " to give a reason.
2.We use " " to give another idea.
3.We use " " to give two different ideas.
because
and
but
Practice
3b Match the two parts to make sentences.
1. I have a bicycle, A. and he often helps me with my English.
2. I like to learn about IT B. because I like travelling.
3. She likes to listen to music C. but I like my art teacher a lot.
4. He is good at English, D. and draw pictures.
5. My favourite subject is geography E. but I often walk to school.
6. I don’t like drawing, F. because it’s fun to learn to use
computers
Practice
3c Complete the passage with and, but, or because.
I love Thursday afternoons ___________ we have a fun class then. It’s biology class, ______ it’s exciting! Miss Baker is the teacher, _______ she works hard to make the class interesting. I’m not good at science, _______ I like the class very much. We learn about different plants _______ animals. Sometimes it’s difficult to remember all the information, ______ Miss Baker helps me. She’s my favourite teacher ___________ she makes everyone in the class feel special.
because
and
and
but
and
but
because
Practice
3d Do a survey in class using the questions below.
● Which is your favourite school day
● What subjects do you have that day
● What subjects on that day do you like and why
● Who likes the same subjects as you and why
Practice
3d Do a survey in class using the questions below.
My favourite school day is Thursday. I have Chinese, English, geography and music on Thursday. I like geography and music because geography helps me know the world and music makes me happy. I think Chinese is important, but it is a little difficult for me. Wang Hong likes geography as well, because she enjoys learning about different places. We often talk about our geography lessons after class.
选择题
1．I like the school library ________ we can read many interesting books there.
A．or B．but C．so D．because
2．She is not good at science, ________ she likes the class very much.
A．and B．but C．because D．or
3．Miss Baker is my favourite teacher ________ she makes everyone feel special.
A．and B．but C．because D．so
4．We learn about different plants ________ animals.
A．and B．but C．because D．so
Summary
Grammar Focus
英语中，在词和词、短语和短语、句子和句子之间起连接作用的词叫连词。
Homework
基础作业：
Review the keywords and sentence structures in today’s lesson.
提升作业：
两人一组编写对话，运用并列连词 and , but ,because 互相对方最喜欢的科目及喜欢的原因。
拓展作业：
用My favorite subject is ... ， because it’s ... and ... . 句型造5个句子。/ 让教学更有效 精品试卷 | 英语学科
一、用 and /but/because 填空
1. I like art, ______ it’s very relaxing.
2. Math is difficult ______ useful.
3. He likes P.E. ______ he doesn’t like geography.
4. I have music ______ history on Monday morning.
5. She doesn’t like history ______ it is boring for her.
6. The book is old, ______ it is very interesting.
二、单项选择
1. I want to read books ______ I go to the library.
A. but B. and C. because D. so
2. My brother likes English, ______ he can’t speak it well.
A. and B. but C. because D. so
3. — Why do you like geography
— ______ it helps me know the world.
A. And B. But C. Because D. So
4. Tom likes drawing ______ singing after school.
A. and B. but C. because D. or
5. He can’t go out, ______ it is raining outside.
A. so B. but C. and D. because
三、改错（划出错误，写出正确句子，注意 because 和 so）
1. Because I like music, so I listen to songs every day.
2. I like science but it is fun.
四、短文填空，选词：and /but/because
My favorite day is Friday. I love Friday ______ we have art class. Art is fun ______ our art teacher is great. I am not good at drawing, ______ I love art class very much. We draw many flowers ______ animals in class. Art is my favourite subject ______ it makes me happy.
五、句型运用（按要求写句子）
句型：My favorite subject is … , because it’s … and … .
仿照例子造句，完成 5 句。
例：My favorite subject is English, because it’s useful and interesting.
六、情景对话（补全对话，每空一词）
A: What’s your ______ subject
B: My favorite subject is history.
A: ______ do you like history
B: ______ it’s interesting. I can know many old stories.
A: I like history, ______ it is a little difficult for me.
B: Then let’s read history books ______ talk about it after class.
七上 Unit4 My Favorite Subject Section A (3a-3d)课堂练习参考答案：
一、用 and /but/because 填空
1. because 2. but 3. but 4. and 5. because 6. but
二、单项选择
1.B 2.B 3.C 4.A 5.D
三、改错
1. 去掉 Because 或者去掉 so；正确：I like music, so I listen to songs every day. / Because I like music, I listen to songs every day.
2. but→and；正确：I like science and it is fun.
四、短文填空
because；and；but；and；because
五、句型运用（参考示例，学生可以自由发挥）
1.My favorite subject is geography, because it’s fun and useful.
2.My favorite subject is Chinese, because it’s easy and interesting.
3.My favorite subject is P.E., because it’s relaxing and exciting.
4.My favorite subject is biology, because it’s fun and educational.
5.My favorite subject is music, because it’s nice and relaxing.
六、情景对话
favorite；Why；Because；but；and/ 让教学更有效 精品试卷 | 英语学科
一、教学目标
二、教学目标
语言能力
掌握连词 and、but、because 的含义与用法；能区分三者表达的逻辑关系，可在句子、短文中正确使用连词连接单词、短语与句子；能运用句型谈论最喜欢的学科并说明理由。
学习能力
学会观察例句、自主归纳语法规则，养成整理笔记、反复操练的英语学习习惯，提升阅读理解与口头表达能力。
思维品质
通过观察对比例句，自主总结语法规律；能辨析并列、转折、因果逻辑关系，锻炼独立分析与发散思维。
文化意识
体会英语用连词体现句子逻辑的语言特点，理解语法对于准确交际表达的作用，乐于用英语交流校园学习生活。
三、教学重难点
教学重点：掌握 and、but、because 语义和用法；分清并列、转折、因果逻辑；能在语篇中正确选用连词。
教学难点：灵活区分三个连词；because 不与 so 连用；学生自主观察归纳语法规则，在真实口语交际中熟练运用连词。
四、学情分析
七年级学生已经学习各类学科类名词，会使用Why… —Because…基础问答；但是对连词逻辑区分容易混淆，容易出现 because 和 so 连用的错误；喜欢课堂互动、小组活动，适合例句观察、合作探究的语法学习模式。
五、教学准备
多媒体 PPT、课堂练习单
六、教学过程（40 分钟）
Step1 Review 导入复习
展示学科单词：Chinese, Maths, English, History, Geography, Biology, Art
结对口头问答
A: What’s your favorite subject
B: I like all subjects but my favourite subject is ______.
A: Why do you like this subject
B: Because it’s _____ and ______.
邀请 2 3 组学生展示对话，引出本节课语法：连词 and, but, because。
Step2 Presentation
出示 3a 例句，学生阅读句子，小组讨论句子异同。
①and 例句
I have art and geography today.
English is important, and my English teacher is really nice.
小结：and 和、并且，表并列 / 顺承，可连接单词也可以连接句子。
②but 例句
Biology is difficult but important.
History is my favourite subject, but my sister doesn’t like it.
小结：but 但是，表转折，连接含义相反的词或句子。
③because 例句
I like Chinese because it’s fun.
He doesn’t like maths because it’s boring to him.
小结：because 因为，表原因，回答 why 提问； 注意：because 与 so 不能同时出现在同一个句子。
归纳填空核对：
We use because to give a reason.（给出原因）
We use and to give another idea.（补充并列信息）
We use but to give two different ideas.（表达转折）
Step3 Practice 分层操练（18 分钟）
3b 匹配句子（个人完成，核对答案）
表格
答案
1 E
2 F
3 D
4 A
5 B
6 C
3c 短文填空，用 and/but/because 填空，全班核对。
I love Thursday afternoons because we have a fun class then. It’s biology class, and it’s exciting! Miss Baker is the teacher, and she works hard to make the class interesting. I’m not good at science, but I like the class very much. We learn about different plants and animals. Sometimes it’s difficult to remember all the information, but Miss Baker helps me. She’s my favourite teacher because she makes everyone in the class feel special.
3d 课堂调查，小组活动 4 人一组，使用问题做采访调查：
Which is your favourite school day
What subjects do you have that day
What subjects on that day do you like and why
Who likes the same subjects as you and why
邀请小组代表口头汇报调查结果，尽量使用本节课三个连词。
课堂即时小测：4 道选择题，学生独立完成校对。
1．I like the school library D we can read many interesting books there.
A．or B．but C．so D．because
2．She is not good at science, B she likes the class very much.
A．and B．but C．because D．or
3．Miss Baker is my favourite teacher C she makes everyone feel special.
A．and B．but C．because D．so
4．We learn about different plants A animals.
A．and B．but C．because D．so
Step4 Summary 课堂小结
师生共同梳理：
and：并列、顺承；but：转折；because：原因
because 不能和 so 连用。
连词可以连接单词、短语、句子。
Step5 Homework 布置作业（3 分钟）
基础作业：复习本课重点单词、句型。
提升作业：两人一组编写对话，运用 and,but,because，互相询问最喜欢的学科及理由。
拓展作业：用句型My favorite subject is … , because it’s … and … .造 5 个句子。
七、板书设计
Unit4 My Favorite Subject
连词：
and 和，并且（并列、顺承）
but 但是（转折）
because 因为（原因，回答 why）
because 与 so 不能同句使用
句型：
What’s your favorite subject
Why do you like…
Because …

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