Unit6 Crossing Cultures.Section B(2a-2d) 导学案2025-2026学年人教版八年级英语下册

Unit6 Crossing Cultures.Section B(2a-2d) 导学案

一、学习目标

1. 掌握以un-/in-/im-为前缀的形容词否定形式，归纳否定前缀规则。
2. 区分-ed/-ing形容词的用法差异，能在语境中正确使用。
3. 能完成词汇填空、对话选词和语篇练习，掌握跨文化礼仪话题词汇的语境搭配。
4. 能在跨文化礼仪语境中得体运用词汇，提升语言表达的准确性。

二、课前预习

1. 词汇&短语预习（英汉互译）

英文单词/短语	中文释义
formal	____________
polite	____________
proper	____________
patient	____________
confused / confusing	____________
excited / exciting	____________
embarrassed / embarrassing	____________
manner	____________
challenge	____________

2. 背景预热

你知道哪些礼仪相关的形容词？写3个：

① ____________ ② ____________ ③ ____________

三、课堂学习任务

任务1：否定前缀大挑战（2a）

用un-或in-/im-写出下列形容词的否定形式，并分类：

safe ______        formal ______     proper ______   possible ______

friendly ______ direct ______      tidy ______         healthy ______

perfect ______  important ______ common ______ correct ______

•       un-：____________________________________________________

•       in-/im-：____________________________________________________

任务2：形容词形式填空（2b）

用括号内单词的正确形式完成句子：

1. Saying “hi” is an ______ way to greet others. (formal)
2. It is ______ to point at people in many countries. (polite)
3. The host is certainly ______ when you enjoy yourself at their party. (happy)
4. People usually dress in formal clothes when visiting some public places such as concert halls. It is ______ to wear shorts, short skirts, or jeans there. (proper)
5. In some cultures, it is OK to be late sometimes. People are ______ even if their meetings don’t start on time. (patient)

任务3：形容词用法辨析（2c）

圈出正确的单词，完成对话：

1. A: Did you understand the rules? I found them confused / confusing.

B: I was confused / confusing at first too, but Mr Thompson explained them to me.

2. A: Isn’t it excited / exciting that James will marry Jennifer next month?

B: Yes! I’m so excited / exciting, and I can’t wait to congratulate them.

3. A: Sally was a little embarrassed / embarrassing just now. She wished her friend happy birthday on the wrong date.

B: Oh no! That can be embarrassed / embarrassing.

思考：-ed和-ing形容词的用法区别是什么？