内容正文:
Unit 8 Section B (2a~2c) 教案
—— Vocabulary in Use(人教版八年级上册 2026-2027学年)
课题
Unit 8 Section B (2a~2c)
学科
英语
年级
八年级上册
教材版本
人教版(2024)
课时
1课时
课型
词汇运用课
教学方法
任务型教学法、词汇情境教学法、合作学习法
教学用具
多媒体课件、教材、黑板
学情分析
学生已掌握本单元核心词汇和基本短语,但对构词法(后缀派生)的系统性认识不足,在不同语境中灵活运用短语和派生词的能力有待提高。本课通过2a后缀派生、2b短语填空、2c词汇运用+句子排序三个活动,帮助学生系统掌握名词后缀构词规律,提升词汇运用能力。
教学目标
学生能掌握后缀派生法(-ly, -tion, -ing, -ment等),通过加后缀构成新词;学生能运用本单元短语完成选词填空和句子补全;学生能区分不同后缀的含义和用法
教学重难点
重点:后缀派生法(-er/-or/-th/-ment/-ship/-ion构成名词);核心词汇6个(social/medium/social media/trust/keep away from/misunderstanding);2a~2c词汇运用练习 难点:后缀-ly的双重功能(副词/形容词);misunderstanding的前缀+后缀双重派生;keep...away from结构;social media的语法特性
一、教学过程
Step 1 Warm-up(Let's play 后缀游戏)(3~5 min)
【教师活动】T: Good morning, class! Before we start today's lesson, let's play a quick game. I'll say some words, and you tell me the suffixes (后缀) of these words. Ready?
【学生活动】Ss: Students listen carefully and identify the suffixes of the words: teacher (-er), visitor (-or), growth (-th), development (-ment), action (-ion), friendship (-ship), attention (-ion).
游戏词汇:teacher, visitor, growth, development, action, friendship, attention
游戏目的:激活学生已有词汇知识,引出本课主题——名词后缀派生法
Let's play 后缀游戏
【知识点】热身导入:通过后缀识别游戏激活学生已有词汇知识,自然引出本课主题——名词后缀派生法
【过渡语】同学们已经认识了一些常见后缀,今天我们就来系统学习这些名词后缀的构词规律。
Step 2 Presentation(后缀系统学习)(8~10 min)
【教师活动】T: Now let's look at these suffixes. They can all turn words into nouns. But they have different meanings. Let's learn them one by one.
名词后缀汇总表:
后缀
词性
意义
例子
-er
n.
从事该动词所表示动作的人
teacher, worker, listener
-or
n.
从事该动词所表示动作的人
director, visitor, actor
-th
n.
表示状态、性质或程度
growth, length, truth
-ment
n.
表示进行某一动作的过程或结果
development, excitement, argument
-ship
n.
表示两个人或事物之间的关系
friendship, relationship
-ion
n.
表示动词所描述的状态或过程
attention, action, communication
后缀表格
【知识点】后缀派生法:六个名词后缀(-er/-or/-th/-ment/-ship/-ion)各有不同语义功能,-er/-or表'人',-th表'状态/性质',-ment表'过程/结果',-ship表'关系',-ion表'状态/过程'
【教师活动】T: Now let's compare -er and -or. Both mean 'a person who does something'. But when do we use -er and when do we use -or? Can you find any patterns?
【学生活动】Ss: Students discuss in pairs and try to find patterns. Some may notice that -er is more common, while -or is often used with words ending in t or c.
【教师活动】T: Great observation! Generally, -er is more common and can be added to most verbs. -or is often used with verbs that end in -t, -ct, -ss, etc. But there are many exceptions, so the best way is to remember them through practice.
Brainstorm: 小组合作列举更多派生词
【教师活动】T: Now work in groups. Try to think of more words with these suffixes and tell their meanings. Let's see which group can list the most words.
【学生活动】Ss: Students work in groups, brainstorm more words with each suffix, and share with the class.
拓展词汇示例:
· -er: speaker, worker, singer, writer, player, teacher, listener
· -or: actor, director, visitor, inventor, editor
· -th: growth, truth, length, width, depth, strength
· -ment: development, argument, agreement, excitement, movement
· -ship: friendship, relationship, leadership, membership
· -ion: attention, action, communication, information, education
Brainstorm 活动
【过渡语】掌握了后缀规律后,让我们用这些知识来完成2a的练习。
Step 3 Practice 1(2a 后缀派生练习)(8~10 min)
2a Complete the sentences with the correct forms of the words in brackets.
【教师活动】T: Now let's do 2a. First, read each sentence carefully. Think about what part of speech we need for each blank. Then add the right suffix to the word in brackets.
【学生活动】Ss: Students read the sentences, analyze the context, determine the required part of speech, and fill in the blanks with correct word forms.
【教师活动】T: Let's check the answers together. For number 1, what answer did you get? Why did you choose -ship?
【学生活动】Ss: Students share their answers and explain their reasoning.
【教师活动】T: Excellent! 'Friendship' means the relationship between friends. The word 'keep a...' tells us we need a noun that represents a relationship.
解题三步法:
Step 1 通读句子,分析语义逻辑,明确空格处需要的词性和含义
Step 2 结合后缀规则选择合适的后缀
Step 3 填入后检查:意思是否合理?语法是否正确?
2a 解题策略
【第1题】To keep a __________ (friend), you need to make time for each other.
答案:friendship(-ship,表示关系)
【第2题】If you want to solve the __________ (argue), perhaps you should talk.
答案:argument(-ment,表示动作过程或结果)
【第3题】If you don't know what to say, I think the best way is to tell the _______ (true).
答案:truth(-th,表示状态或性质)
【第4题】They always welcome the _________ (visit) in a kind, friendly way.
答案:visitors(-or,表示从事动作的人)
【第5题】While giving a speech, you should watch the _________ (listen) carefully.
答案:listeners(-er,表示从事动作的人)
2a 练习题
2a 答案
【知识点】2a后缀派生练习:通过五道填空题巩固-er/-or/-th/-ment/-ship五个名词后缀的用法,解题关键为先判断空格处所需词性再选后缀
【过渡语】后缀派生练习完成后,让我们来复习本单元的核心短语,完成2b短语填空。
Step 4 Practice 2(2b 短语填空)(8~10 min)
2b Complete the sentences with the phrases in the box.
【教师活动】T: Now let's do 2b. First, let's review the phrases in the box. What do they mean? Then read each sentence and choose the right phrase to fill in the blank. Pay attention to person, tense and grammar.
【学生活动】Ss: Students first review the meanings of the five phrases, then read each sentence, analyze the context, choose the right phrase, and make grammatical changes if needed.
【教师活动】T: Before we start, let's quickly review each phrase. Can someone tell me what 'show ... around' means? And can you use it in a sentence?
【学生活动】Ss: Students volunteer to explain each phrase and give example sentences.
【教师活动】T: Perfect! Now let's look at sentence 3. The phrase 'right away' means 'immediately'. Why does it fit here? What does the sentence mean?
短语回顾:
· make up
· right away
· show ... around
· show ... interest
· worry about
2b 短语填空
【第1题】It was the first time for my cousin to visit Beijing, so I offered to ______ her ______.
答案:show ... around(带……参观)
【第2题】My brother and I often have fights, but we always ___________ soon after.
答案:make up(和好;和解)
【第3题】If you want to watch the drama, you should book the seats ____________.
答案:right away(立刻;马上)
【第4题】He ______ great ______ in music when he was a small child.
答案:showed ... interest(对……表现出兴趣)
【第5题】If you are sure about your choice, you don't have to __________ what other people will say.
答案:worry about(担心;担忧)
2b 答案
2b 汉译英练习
2b 汉译英答案
Translation practice: 汉译英
【教师活动】T: Now let's translate some Chinese sentences into English, using the phrases we just learned.
【学生活动】Ss: Students translate the sentences and check their answers.
翻译练习:
1. 昨天我带我的新同学参观了学校。→ I showed my new classmate(s) around our school yesterday.
2. 我和妹妹吵架后很快就和好了。→ My sister and I had a fight, but we made up soon after.
3. 他需要马上完成作业。→ He needs to finish his homework right away.
4. 丽丽对跳舞表现出浓厚的兴趣。→ Lily shows great interest in dancing.
5. 妈妈总是担心我的学习。→ Mom always worries about my studies.
【知识点】2b短语填空:五个核心短语(make up/right away/show...around/show...interest/worry about)的语境运用,需注意人称、时态和语态变化
【过渡语】短语练习完成后,让我们进入2c,在短文语境中综合运用词汇。
Step 5 Practice 3(2c 词汇运用 + 句子排序)(10~12 min)
2c Complete the sentences with the correct forms of the words in the box.
【教师活动】T: Now let's do the first part of 2c. Look at the five words in the box. What do they mean? Then complete the sentences with their correct forms.
【学生活动】Ss: Students review the word meanings, read the sentences, analyze the context, choose the right word, and make necessary form changes.
解题三步法:
Step 1 看词辨义:先熟悉给出的5个词汇,记住它们的意思
Step 2 语境匹配:逐句读句子,根据空格前后的意思选词
Step 3 语法检查:注意名词单复数、动词时态等——先看'意思对不对',再看'语法对不对'
2c 解题策略
词汇框:text / face to face / communication / relationship / argue
【第1题】Many people today communicate by ________ and social media instead of in person.
答案:texting(text → v-ing,作介词by的宾语)
【第2题】When we meet ___________ and talk, our body language helps others understand us better.
答案:face to face(面对面(副词短语))
【第3题】Also, it may be easier to build trust and develop stronger __________.
答案:relationships(relationship 用复数,表泛指)
【第4题】This can keep us away from misunderstandings and __________.
答案:arguments(argue → 名词复数,与misunderstandings并列)
【第5题】However, in-person ______________ is an important skill to learn.
答案:communication(动词communicate → 名词,作主语)
2c 词汇填空
Put the sentences in the correct order to make a short passage.
【教师活动】T: Now look at the five sentences. They form a short passage, but they are in the wrong order. Can you put them in the correct order? Pay attention to the logical words like 'however', 'this', 'also' — they can help you find the order!
【学生活动】Ss: Students work in pairs, analyze the logical relationships between sentences, and arrange them in the correct order.
【教师活动】T: Let's find the first sentence together. Which sentence do you think comes first? Why?
【学生活动】Ss: Students discuss and explain their reasoning. Most will identify the sentence about texting and social media as the first sentence because it introduces the topic.
【教师活动】T: Good job! The first sentence usually introduces the topic without referring to previous content. Now look for the last sentence. Which one is probably last?
排序技巧:抓逻辑词
· however(转折):通常引出不同观点或转折
· this(指代前文):通常不放在段首,指代前文提到的内容
· also(补充):表示追加信息,通常不在首句
句子排序技巧
2c 短文阅读
正确顺序:
1. Many people today communicate by texting and social media instead of in person.
2. However, in-person communication is an important skill to learn.
3. When we meet face to face and talk, our body language and voice help others better understand our meaning.
4. This can keep us away from misunderstandings and arguments.
5. Also, it may be easier to build trust and develop stronger relationships.
逻辑分析:
· 第1句:提出普遍现象(很多人用短信和社交媒体交流)
· 第2句:转折(however),引出面对面交流的重要性
· 第3句:解释为什么面对面交流更好(肢体语言和语音帮助理解)
· 第4句:说明结果(this 指代面对面交流,能避免误解和争吵)
· 第5句:补充说明(also),进一步讲面对面的好处(建立信任、发展关系)
【知识点】2c综合运用:词汇填空考察词性转换能力,句子排序考察语篇逻辑分析能力,通过逻辑词(however/this/also)快速把握语篇结构
Read the passage and discuss: Which form of communication works best? Why?
【教师活动】T: Now read the complete passage. According to the writer, which form of communication works best? Why? Do you agree with the writer?
【学生活动】Ss: Students read the passage, discuss the questions in groups, and share their opinions.
短文主旨:
· 作者观点:面对面交流(face-to-face communication)效果最好
· 原因1:肢体语言和语音帮助他人更好地理解我们的意思
· 原因2:可以避免误解和争吵
· 原因3:更容易建立信任、发展更牢固的关系
讨论活动
【知识点】讨论拓展:围绕面对面沟通的重要性展开讨论,学生结合个人经历表达观点,提升批判性思维和口语表达能力
【过渡语】通过一系列词汇练习,我们掌握了后缀派生法和核心短语。让我们进行重难点突破。
Step 6 重难点突破(5~8 min)
【重难点突破】后缀派生法
· 后缀分类:按词性归类(-ly→副词, -tion→名词, -ing→形容词, -ment→名词)
· 2a练习:给括号中单词加后缀完成句子
· 规则归纳:总结不同后缀的构词规律
· 拓展练习:给出更多词根,学生加后缀构成新词
· 易错辨析:-ly既可以是副词后缀(carefully)也可以是形容词后缀(friendly)
【重难点突破】keep...away from
· 语境呈现:Keep your personal information away from strangers.
· 结构分析:keep + 宾语 + away from + 名词
· 造句练习:用keep...away from描述网络安全建议
【重点强调】名词后缀记忆口诀
-er -or 表'人',teacher visitor记心间
-th 表'状态',growth truth 都常见
-ment 表'过程',development argument
-ship 表'关系',friendship relationship
-ion 表'状态',attention action communication
【判断技巧】词汇填空三步法
Step 1 看词辨义:先熟悉给出词汇的意思和词性
Step 2 语境匹配:逐句读题,根据空格前后意思选词
Step 3 语法检查:注意名词单复数、动词时态等——先看'意思对不对',再看'语法对不对'
【易错提示】常见错误提醒
-ly后缀混淆(将friendly误认为副词,实际是形容词);misunderstanding拼写错误(错误:misunderstanding → misunderstanding);keep away from中away from漏用(错误:keep him from → keep him away from);social media单复数(media是medium的复数,但social media通常作不可数名词)
【知识拓展】后缀派生语法规则
· 后缀-ly:构成副词(careful→carefully, serious→seriously)
· 后缀-tion/-sion:构成名词(communicate→communication, misunderstand→misunderstanding)
· 后缀-ing:构成形容词或名词(train→training, open→opening, close→closing)
· 后缀-ment:构成名词(argue→argument, agree→agreement)
· 前缀mis-:表示'错误地'(understand→misunderstand, lead→mislead)
【过渡语】最后,让我们总结今天所学的词汇知识,并布置课后作业。
Step 7 Summary & Homework(3~5 min)
【教师活动】T: Today we learned about noun suffixes and practiced using vocabulary in context. Let's summarize what we've learned.
【学生活动】Ss: Students summarize the key points of the lesson with the teacher's guidance.
课堂总结:
1. 名词后缀:-er/-or/-th/-ment/-ship/-ion 六大后缀及其语义功能
2. 核心短语:make up / right away / show ... around / show ... interest / worry about
3. 新单词:social, medium, trust, misunderstanding(共4个)
4. 短语:social media, keep away from(共2个)
5. 解题技巧:先判断词性,再结合语境选词,最后检查语法
6. 语篇技巧:利用逻辑词(however/this/also)分析句子排序
【知识点】课堂总结:六大名词后缀构词规律 + 五个核心短语 + 六个新词汇 + 词汇解题三步法 + 语篇逻辑分析技巧 + 课后作业(短语手册+短文写作)
Homework
1. 整理本单元的短语,制作短语手册
2. 结合2c关于面对面沟通的内容,写一篇80词左右的短文,介绍自己平时更倾向的沟通方式,需正确运用本单元的词汇和短语
课堂总结
二、板书设计
Unit 8 Section B (2a~2c) — Vocabulary in Use
名词后缀: 核心短语: 2c 短文逻辑:
-er 人 teacher make up ①现象→②转折(however)
-or 人 visitor right away →③解释→④结果(this)
-th 状态 truth show ... around →⑤补充(also)
-ment 过程 argument show ... interest
-ship 关系 friendship worry about
-ion 状态 communication
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