2025人教版八年级英语下册Unit 4 Section A单词词汇课件

(共20张PPT)
Unit 4 Why don’t you talk to your parents
Section A
R·八年级下册
v. 允许；准许
讲解
allow sb. to do sth. 允许某人做某事
allow (doing) sth. 允许（做）某事
be allowed to do sth. 被允许做某事
He allowed me to put off my plan.
We don’t allow wasting food.
The students in our class are not allowed to play online games.
例句
adj. 有毛病；错误的
There’s something wrong with my new computer.
Your answer is wrong. Mine is right.
互为反义词
例句
v. 猜测；估计
其后可接名词、代词或从句。
Try to guess the meaning of this new word.
(1)“I guess＋宾语从句. ”句型在变否定句时，要否定主句，即“否定前移”。
(2)I guess so. 我想是的。
I guess not. 我想不是。
讲解
例句
拓展
n. 协议；交易
(1) 可数名词：协议；交易
make/do a deal (with…) （与……）达成协议
Tom made a deal with his mother on chores.
(2)动词：对付；对待
deal with 应对；处理
Some students don’t know how to deal with worries.
讲解
短语
例句
讲解
短语
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n. 关系；联系；交往
常用复数形式。
Relations between the two girls get better.
The two companies have business relations.
relation的相关词：
relate
v. 联系
relative
adj. 相关联的
relation
n. 关系；联系
讲解
例句
拓展
v. 争吵；争论
argue with sb. 与某人争吵/争论
argue about/over sth.
就某事争吵/争论
argue with sb. about/over sth.
就某事与某人争吵/争论
argument 名词 争吵；争论
have an argument with sb.
与某人争吵/争论
短语
拓展
n. 云；云朵
其形容词形式为 cloudy，意为“多云的”。
There are many dark clouds in the sky, and the wind is blowing strongly.
讲解
例句
adj. 年纪较长的
辨析
elder 与 older
elder 只可指人，意为“年纪
较长的”，用来比较年龄大小，
尤指兄弟姐妹的长幼关系，只能作定语。
older 指人，意为“年龄较大的”，是
old 的比较级，可作定语或表语。
指物，意为“较旧的”，可作定语或表语。
串记
My elder brother is two years older than I. His bike is older than mine.
adv. 代替；反而；却
在句中作状语，修饰整个句子，常位于句末，也可位于句首。
John is tired, so let me do it instead.
He didn’t take a trip. Instead, he worked as a volunteer.
讲解
例句
pron. 任何；每一
(1)任何；每一
You can wear whatever you like.
(2)无论什么，相当于no matter what，引导让步状语从句。
Whatever you do, don’t give up.＝No matter what you do, don’t give up.
讲解
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讲解
例句
adj. 焦虑的；担忧的
be nervous about… 对……感到担忧
Lucy looked nervous, and I could see her hands shaking.
I’m nervous about the talent show tonight.
短语
例句
v.主动提出；自愿给予
offer to do sth. 主动提出做某事
The kids offered to do the dishes.
offer 与 provide
两者均可作及物动词，意为“提供”。其区别如下：
offer多指“主动提出；自愿给予”
offer sb. sth.＝offer sth. to sb. 给某人提供某物
provide多指为做好准备而“供给；提供”
provide sb. with sth.＝provide sth. for sb. 为某人提供某物
短语
例句
辨析
adj. 正确的；恰当的
一般在句中作定语或表语。
Some people have trouble finding proper jobs.
It’s not proper to depend on our parents too much.
properly 副词：正确地；恰当地
Paul promised to solve the problem properly.
讲解
例句
拓展
例句
second num. 第二
adv. 第二；其次
常与 firstly, thirdly, lastly 等表示顺序的副词一起使用，用于列举事实或理由等。
Firstly, you should believe yourself. Secondly, you should learn to be independent.
讲解
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v. 交流；沟通
communicate with sb. 和某人交流/沟通
We should communicate with our parents in a proper way.
communication 名词：交流；沟通
WeChat makes communication much easier.
短语
例句
拓展
例句
v. 解释；说明
其后可接名词、代词或从句。
explain sth. (to sb.)
（向某人）解释某事
Could you explain the rules of the game to everyone
explanation名词：解释；说明
His explanation made it easier for us to understand.
讲解
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adj. 清楚易懂的；晴朗的
(1)清楚易懂的 其副词形式是clearly，意为“清楚地；明
白地”。
Is this explanation clear enough
(2)晴朗的
On clear days you can see the top of the mountain.
(3)透明的；清澈的
The river used to be clear.
Have a rest, so you can have a clear mind.
(4)（头脑）清醒的
讲解
v. 抄袭；模仿；复制；复印
(1)及物动词：抄袭；模仿
We shouldn’t copy others’ answers.
(2)动词：复制；复印
Please help me copy this book.
(3)可数名词：一本（份、册）；副本
This book sold 20,000 copies.
讲解
v. 归还；回来；返回
(1)及物动词：归还。相当于 give… back。
Must I return the book to you now
return sth. to sb. 把某物归还给某人
(2)不及物动词：回来；返回。相当于 come/get back。
return to＋地点名词 回到某地
He will return to Hong Kong in a few days.
讲解
短语
例句
讲解
短语
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