Unit 8 Let's Communicate!知识点总结(单词 短语 句子 语法)(全新完整版)—2025秋新人教版英语八年级上册

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Unit 8 Let's Communicate!知识点总结(单词 短语 句子 语法)(全新完整版)—2025秋新人教版英语八年级上册

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【2022新课标】
2025秋新人教版初中英语八上
Unit 8 Let's Communicate!
知识点总结
(单词+短语+句子+语法)
(全新完整版)
重点单词
核心交际词汇
1. message / mes d / n. 消息
2. express / k spres/ v. 表达
3. communicate /k mju n ke t/ v. 交流
4. conversation / k nv se n/ n. 对话
5. discuss /d sk s/ v. 讨论
6. reply /r pla / v.&n. 回复
7. explain / k sple n/ v. 解释
8. mention / men n/ v. 提到
9. pronounce /pr na ns/ v. 发音
10. translate /tr nz le t/ v. 翻译
沟通方式与工具
11. email / i me l/ n. 电子邮件
12. text /tekst/ n.&v. 短信;发短信
13. chat /t t/ v.&n. 聊天
14. letter / let (r)/ n. 信件
15. phone call / f n k l/ n. 电话
16. social media / s l mi di / n. 社交媒体
17. app / p/ n. 应用软件
18. video call / v di k l/ n. 视频通话
19. post /p st/ v.&n. 发布;帖子
20. emoji / m d i/ n. 表情符号
情感与态度表达
21. polite /p la t/ adj. 礼貌的
22. rude /ru d/ adj. 粗鲁的
23. friendly / frendli/ adj. 友好的
24. patient / pe nt/ adj. 耐心的
25. angry / ɡri/ adj. 生气的
26. excited / k sa t d/ adj. 兴奋的
27. confused /k n fju zd/ adj. 困惑的
28. shy / a / adj. 害羞的
29. honest / n st/ adj. 诚实的
30. serious / s ri s/ adj. 严肃的
常见动词短语
31. ask for /ɑ sk f (r)/ 请求
32. talk about /t k ba t/ 谈论
33. listen to / l sn tu / 倾听
34. write down /ra t da n/ 写下
35. find out /fa nd a t/ 查明
36. point out /p nt a t/ 指出
37. agree with / ɡri w / 同意
38. disagree with / d s ɡri w / 不同意
39. look up /l k p/ 查阅(词典)
40. hang up /h p/ 挂断(电话)
名词与抽象概念
41. language / l ɡw d / n. 语言
42. culture / k lt (r)/ n. 文化
43. meaning / mi n / n. 意义
44. pronunciation /pr n nsi e n/ n. 发音
45. grammar / ɡr m (r)/ n. 语法
46. mistake /m ste k/ n. 错误
47. advice / d va s/ n. 建议
48. problem / pr bl m/ n. 问题
49. solution /s lu n/ n. 解决方法
50. habit / h b t/ n. 习惯
补充实用词汇
51. silent / sa l nt/ adj. 沉默的
52. noisy / n zi/ adj. 吵闹的
53. foreign / f r n/ adj. 外国的
54. local / l kl/ adj. 本地的
55. formal / f ml/ adj. 正式的
56. informal / n f ml/ adj. 非正式的
57. correct /k rekt/ adj.&v. 正确的;纠正
58. clear /kl (r)/ adj. 清晰的
59. difficult / d f k lt/ adj. 困难的
60. simple / s mpl/ adj. 简单的
二、主要短语
基础交际短语
1. have a conversation 进行对话
2. make a phone call 打电话
3. send a message 发信息
4. leave a message 留言
5. reply to... 回复…
6. talk face to face 面对面交谈
7. keep in touch 保持联系
8. break the ice 打破沉默
9. get the message 理解信息
10. miss the point 没抓住重点
表达观点与态度
11. agree with sb. 同意某人
12. disagree with sb. 不同意某人
13. give one’s opinion 表达某人的观点
14. change one’s mind 改变主意
15. take sth. seriously 认真对待某事
16. make a suggestion 提建议
17. ask for advice 寻求建议
18. give advice on... 就…给出建议
19. speak one’s mind 直言不讳
20. keep silent 保持沉默
沟通问题与解决
21. misunderstand each other 互相误解
22. clear up a misunderstanding 消除误会
23. have trouble (in) doing sth. 做某事有困难
24. make a mistake 犯错误
25. correct a mistake 纠正错误
26. explain sth. to sb. 向某人解释某事
27. translate...into... 把…翻译成…
28. look up a word 查单词
29. pronounce the word correctly 正确发音
30. improve communication skills 提升沟通技巧
数字与社交媒体相关
31. log in/out 登录/退出
32. scroll through... 浏览(社交媒体)
33. post a comment 发表评论
34. share sth. online 在线分享某物
35. reply to a comment 回复评论
36. block sb. 拉黑某人
37. go viral 走红网络
38. send an emoji 发送表情符号
39. use social media wisely 明智使用社交媒体
40. be addicted to... 沉迷于…
41. turn off notifications 关闭通知
三、重点句子句型
发起与维持对话
1. Do you have a minute
(你有空吗?)
2. Could we talk about...
(我们能谈谈…吗?)
Could we talk about the school project
3. What’s on your mind
(你在想什么?)
4. Let me explain...
(让我解释一下…)
Let me explain how this app works.
5. Can you repeat that, please
(你能重复一遍吗?)
表达观点与态度
6. In my opinion,...
(我认为…)
In my opinion, face-to-face talk is better.
7. I agree/disagree because...
(我同意/不同意,因为…)
8. That’s a good point, but...
(你说得有道理,但是…)
9. I’m not sure about that.
(我不太确定。)
10. To be honest,...
(老实说…)
To be honest, your message was unclear.
请求与建议
11. Could you give me some advice on...
(你能给我一些关于…的建议吗?)
12. Why don’t we...
(我们为什么不…?)
Why don’t we chat online instead
13. How about...
(…怎么样?)
How about sending an email
14. Would you mind...
(你介意…吗?)
Would you mind speaking slowly
15. You’d better...
(你最好…)
You’d better check your grammar.
澄清与确认
16. What do you mean by...
(你说的…是什么意思?)
17. Are you saying that...
(你是说…吗?)
Are you saying that I misunderstood you
18. Let me make sure I understand.
(让我确认一下我的理解。)
19. So, you mean...
(所以,你的意思是…?)
20. Could you give an example
(你能举个例子吗?)
解决问题与误解
21. I’m sorry, I didn’t catch that.
(抱歉,我没听清。)
22. There seems to be a misunderstanding.
(似乎有误会。)
23. Let’s clear this up.
(我们来澄清一下。)
24. Maybe we should...
(也许我们应该…)
Maybe we should talk in person.
25. It’s my fault.
(是我的错。)
数字沟通用语
26. I’ll text you later.
(我稍后发信息给你。)
27. Did you get my message
(你收到我的消息了吗?)
28. I’ll send you the link.
(我会把链接发给你。)
29. Don’t forget to reply!
(别忘了回复!)
30. The Wi-Fi is too slow.
(Wi-Fi太慢了。)
礼貌与情感表达
31. I really appreciate your help.
(非常感谢你的帮助。)
32. Sorry to bother you.
(抱歉打扰你。)
33. That makes me feel...
(这让我感到…)
Your words made me feel happy.
34. I’m worried about...
(我担心…)
I’m worried about our communication.
35. Let’s stay calm.
(我们保持冷静。)
其它重点句型
36. It’s + adj. + to communicate...
(做…交流是…的)
It’s important to communicate clearly.
37. We should avoid + V-ing...
(我们应该避免…)
We should avoid using rude words.
38. Would you like + N/to do...
(你想要…吗?)
Would you like to join the chat
39. I find it + adj. + to...
(我发现做…是…的)
I find it hard to express myself.
40. By + V-ing, we can...
(通过…,我们能…)
By listening carefully, we can understand better.
41. If you..., you will...
(如果你…,你就会…)
If you practice more, you will improve.
四、语法点
本单元语法是if条件状语从句,另外总结下句子种类、句子成分和简单句的5种基本句型。
If引导的条件状语从句
一)基本概念
if条件状语从句 表示"如果...就...",用来描述某种条件下可能发生的结果。
结构: `If + 条件句(从句), 主句(结果)`
位置: 从句可放在主句前(用逗号隔开)或主句后(无需逗号)。
- If it rains, we will stay at home.
- We will stay at home if it rains.
二)三种主要类型(有拓展)
根据条件与结果的真实性程度,分为三类:
1. 第一类条件句(真实条件句)
特点: 条件可能实现,结果很可能发生。
时态:
- 从句(条件): 一般现在时
- 主句(结果): 一般将来时(will/can/may/shall + 动词原形)
例句:
- If you study hard, you will pass the exam.
- If he calls me, I will tell him the truth.
- We can go hiking if the weather is nice.
注意事项:
- 主句可用 祈使句 或 情态动词 代替将来时:
If you feel tired, take a rest.
If you see Tom, you must tell him.
2. 第二类条件句(虚拟条件句)
特点: 条件与现在事实相反,实现可能性较小。
时态:
- 从句(条件): 一般过去时(be动词用were)
- 主句(结果): would/could/might + 动词原形
例句:
- If I were you, I would apologize. (事实:我不是你)
- If he had time, he would help us. (事实:他现在没时间)
- She could travel if she had money. (事实:她没钱)
注意: 初中阶段通常只要求理解,重点掌握第一类。
3. 第三类条件句(过去虚拟条件句)
特点: 条件与过去事实相反,表示遗憾或责备。
时态:
- 从句(条件): 过去完成时(had + 过去分词)
- 主句(结果): would/could/might + have + 过去分词
例句:
- If you had listened to me, you wouldn’t have failed. (事实:你当时没听)
- She might have caught the train if she had left earlier.
(注:第三类为高中内容,初中了解即可)
三)易错点与特殊用法
1. 时态错误
If it will rain, we will cancel the trip. (从句不能用将来时)
If it rains, we will cancel the trip.
2. 主将从现的扩展
- 主句可用情态动词或祈使句:
If you see him, tell him to call me.
If you feel sick, you should see a doctor.
3. unless = if not
Unless you hurry, you’ll be late. = If you don’t hurry, you’ll be late.
4. "if" 与 "when" 的区别
- if 表示不确定的条件(可能发生也可能不发生)。
- when 表示确定会发生的情况。
If it rains tomorrow, we’ll stay home. (可能下雨)
When spring comes, flowers will bloom. (春天一定会来)
句子种类(按功能划分):
1. 陈述句
功能:陈述事实或观点
结构:主语在前,句末用句号
例句:
Positive: They are playing football.
Negative: She doesn't eat meat.
2. 疑问句
分类及结构:
类型 结构 例句
一般疑问句 Be/助动词+主+... Is this your bag
特殊疑问句 疑问词+一般疑问句 Where do you live
选择疑问句 ...or... Do you want tea or coffee
反义疑问句 陈述句+简短问句 It's cold, isn't it
3. 祈使句
功能:发出指令或请求
结构:
肯定:动词原形 + 其他 (Open the door.)
否定:Don't + 动词原形 (Don't be late.)
委婉:Please + 动词原形 (Please sit down.)
4. 感叹句
功能:表达强烈感情
结构:
What + (a/an) + 形容词 + 名词!
What a beautiful day!
How + 形容词/副词 + 主谓!
How fast he runs!
句子成分:
一)核心成分
1. 主语
- 定义:句子的主体,动作的执行者或状态的承担者
- 构成:
- 名词/代词:The dog barks. / She is happy.
- 动名词:Swimming is healthy.
- 不定式:To learn English is important.
- 从句:What he said is true.
2. 谓语
- 定义:说明主语的动作或状态
- 类型:
- 实义动词:She teaches math.
- 系动词 + 表语:He is a doctor.
- 情态动词 + 动词原形:You should listen carefully.
3. 宾语
- 定义:动作的承受者
- 分类:
- 直接宾语:I bought a book.
- 间接宾语:She gave me a gift.
- 介词宾语:Talk to your teacher.
4. 表语
- 定义:位于系动词后,说明主语的性质或状态
- 常见系动词:be, become, seem, feel, look
- 构成:
- 名词:He is a student.
- 形容词:The soup smells delicious.
- 介词短语:The keys are on the table.
二)修饰成分
1. 定语
- 定义:修饰名词或代词
- 位置:
- 前置:a red apple
- 后置:the girl in blue
- 常见形式:
- 形容词:interesting story
- 介词短语:the cover of the book
2. 状语
- 定义:修饰动词/形容词/副词或整个句子
- 类型:
类别 例句
时间 She left early.
地点 We met at the park.
方式 He speaks slowly.
原因 Because of rain, we stayed home.
3. 补语
- 定义:补充说明主语或宾语
- 分类:
- 主语补足语:He was elected monitor.
- 宾语补足语:We call her Lily.
简单句的五种基本句型:
英语中的所有句子都是由下面这五种基本句型扩展或组合而成的。
掌握这五种句型是理解英语句子结构的基础。
1. 主语 + 谓语(S + V)
特点:谓语动词为 不及物动词(Intransitive Verb),不需要宾语。
例句:
Birds fly. (鸟飞。)
The baby cried. (婴儿哭了。)
The sun rises. (太阳升起。)
注意:此类动词通常表示 动作或状态,如:run, sleep, laugh, die, happen 等。
2. 主语 + 谓语 + 宾语(S + V + O)
特点:谓语动词为 及物动词(Transitive Verb),必须接宾语。
例句:
She loves music. (她喜欢音乐。)
Tom kicked the ball. (汤姆踢了球。)
We study English. (我们学习英语。)
常见及物动词:eat, write, buy, watch, read 等。
3. 主语 + 谓语 + 间接宾语 + 直接宾语(S + V + IO + DO)
特点:动词后接 两个宾语,一个指人(间接宾语),一个指物(直接宾语)。
例句:
He gave me a book. (他给了我一本书。)
She told us a story. (她给我们讲了一个故事。)
My mom bought me a new dress. (妈妈给我买了一条新裙子。)
可接双宾语的动词:give, send, show, teach, tell, buy, bring 等。
转换结构:
He gave a book to me.
She told a story to us.
4. 主语 + 谓语 + 宾语 + 宾语补足语(S + V + O + OC)
特点:宾语后接 补足语(Object Complement),说明宾语的状态或动作。
例句:
They elected him president. (他们选他当总统。)
We call her Lily. (我们叫她莉莉。)
The news made me happy. (这个消息让我高兴。)
常见补足语类型:
名词(president, Lily)
形容词(happy, sad)
不定式(I want you to go.)
现在分词(I saw him running.)
常见动词:make, call, name, elect, consider, find, keep 等。
5. 主语 + 系动词 + 表语(S + V + P)
特点:谓语为 系动词(Linking Verb),后接表语(主语补足语)。
例句:
She is a teacher. (她是一名老师。)
The cake smells delicious. (蛋糕闻起来很香。)
He became angry. (他生气了。)
常见系动词:
be 动词(am, is, are, was, were)
感官动词(look, sound, smell, taste, feel)
变化类动词(become, get, turn, grow)
状态类动词(seem, appear, remain)
表语构成:
名词(a teacher)
形容词(delicious, angry)
介词短语(in the room)
不定式(My dream is to travel.)
最后,总结下:
句型 结构 例句
1 S + V The sun rises.
2 S + V + O She reads books.
3 S + V + IO + DO He gave me a gift.
4 S + V + O + OC We call him Jack.
5 S + V + P The flower is beautiful.
6、易错点提醒:
1)区分及物动词和不及物动词
不及物动词不能直接加宾语( She laughed me. → She laughed.)
及物动词必须加宾语( He bought. → He bought a car.)
2)双宾语 vs 宾语+宾补
双宾语:两个独立成分(He gave me a pen.)
宾补:补充说明宾语(We made him captain.)
3)系动词后接形容词
The soup tastes deliciously. (副词错误)
The soup tastes delicious. (形容词正确)
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