(共27张PPT)
Understanding ideas
—Grammar
Learning Objectives
Vocabulary
Share and Check
Grammar
Homework
Key Points
通过观察情态动词的例句,总结情态动词must、may、can表推测的含义和用法。
在单句和对话情境中正确运用情态动词表推测。
运用所学,两人一组讨论身边哪些人需要帮助,他们为什么需要帮助以及帮助人们的办法。
核心词汇:
don’t worry, give...a hand, lost, flu, share...with...,
mention, directly, solution, a bottle of, exam, dialogue,
get through, find it a challenge to..., perhaps I can...
核心语法:
情态动词:must, may, can(表示猜测、推断)。
bottle
/ b tl/
n. 瓶子
I bought a bottle of milk this morning.
今天早上我买了一瓶牛奶。
exam
/ ɡ z m/
n. (名词) 考试
She is preparing for the final exam.
她正在准备期末考试。
dialogue
/ da l ɡ/
n. (名词) 对话
The two friends had a warm dialogue about their holiday.
这两位朋友就假期进行了一场温馨的对话。
flu
/flu /
n.流行性感冒,流感
He stayed at home because he had the flu.
他因为得了流感而待在家里。
Retell Lean’s story
Share and check
Excuse me, may I have a purple crayon, please 打扰一下,请问我可以拿一支紫色蜡笔吗?
Sorry, but I can’t find one.抱歉,我无法找到。
Crayons may carry viruses and spread diseases.蜡笔可能携带病毒并传播疾病。
They can only be used once.它们只能被使用一次。
Then they must be thrown away.然后它们必须被扔掉。
It can be boring to wait for X-rays and treatments.等待X光和治疗可能会很无聊。
There must be something for me to do.一定有什么事情是我可以做的。
It might sound impossible.这也许听起来不可能。
Check in groups
Share and check
Excuse me, may I have a purple crayon, please
Sorry, but I can’t find one.
Crayons may carry viruses and spread diseases.
They can only be used once.
Then they must be thrown away.
It can be boring to wait for X-rays and treatments.
There must be something for me to do.
It might sound impossible.
将8个核心句子归入以下两类。要求在每个句子旁,用关键词(如“请求”、“必须”、“可能”等)简要标注你的判断理由。
A类(表达现实行动与规则):
如请求、能力、许可、义务、规定等。
B类(表达内心推测与猜测):
如可能、也许、肯定等。
Excuse me, may I have a purple crayon, please
Sorry, but I can’t find one.
Crayons may carry viruses and spread diseases.
They can only be used once.
Then they must be thrown away.
It can be boring to wait for X-rays and treatments.
There must be something for me to do.
It might sound impossible.
Share results and reasons in groups.
Discuss differences and reach agreement.
Complete a group summary.
A类(表达现实行动与规则):
如请求、能力、许可、义务、规定等。
B类(表达内心推测与猜测):
如可能、也许、肯定等。
A类(表达现实行动与规则)
1. Excuse me, may I have a purple crayon, please
可以——礼貌请求
2. Sorry, but I can’t find one.
不能,无法——能力
4. They can only be used once.
可以——规定
5. Then they must be thrown away.
必须——义务/规定
B类(表达内心推测与猜测)
3. Crayons may carry viruses and spread diseases.
可能——对风险的推测
6. It can be boring to wait for X-rays and treatments.
可能会——对等待体验的感受推测
7. There must be something for me to do.
一定、肯定——表示非常有把握的推测
8. It might sound impossible.
也许——对听者感受的推测
你可以分析、总结
情态动词may, can, must
表示推测或猜测的用法吗?
may/might: 有可能
(较不确定)
can: 可能
(指理论或一般情况下的可能性)
must: 一定,肯定
(根据证据做出的强烈推测)
can’t: 不可能
(用于否定性推测,语气非常肯定)
B类(表达内心推测与猜测)
3. Crayons may carry viruses and spread diseases.
可能——对风险的推测
6. It can be boring to wait for X-rays and treatments.
可能会——对等待体验的感受推测
7. There must be something for me to do.
一定、肯定——表示非常有把握的推测
8. It might sound impossible.
也许——对听者感受的推测
① 我的答案
② 我找到的关键线索
③ 为什么线索指向这个答案
Discuss in pairs
Check the answer
must
may
can/may
很有把握的推测
可能会下雨,但并不确定, may 表示可能性推测
用 can 表示允许(能力或允许的用法,不是推测)
Tips:
看语境,找线索;
强证据用must,不确定用may;
表允许或能力,can是好朋友。
What problems do they meet
What kind of help do they need
Talk about the pictures.
Tips:
看语境,找线索;
强证据用must,不确定用may;
表允许或能力,can是好朋友。
我的答案是:______(明确说出所选情态动词)
我找到的关键线索是:______(指出对话中的具体词语、图片信息或逻辑关系)
为什么线索指向这个答案:______(解释线索与情态动词功能之间的匹配关系)
must
may
can
can’t
can
Act out the dialogues
in pairs
Do you think it needs a lot of effort to help people around us Why or why not
What can you learn from Leah’s story and these dialogues
Discuss in groups
Apply the grammar
Task: 校广播站“暖心频道”现面向全校征集“校园助人小剧场”剧本及录音。请两人一组,自行设计或从四幅图片中任选一个校园情景,创作并表演一段对话,内容需围绕“发现困难、提供帮助”展开。
Example
对话任务评价表
应该从哪些方面去评价这段对话呢?
我们刚学完这个单元,哪些核心词汇、语法和句型必须用上才算学以致用?
怎样的现场展示更有效、更打动人?
Time to create
Time to act out
1.必做Compulsory:
阅读下面的小故事,在每个空格处填入情态动词can、must 或 may,以完成合理的逻辑推测。
2. 选做Optional:
完善课上的对话创编,编写一个更完整的英文短剧剧本。
Thank you!