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(共26张PPT)
Unit 8 It must belong to Carla.
Section B 3a-Self Check
Function: Use modal verbs to make inferences.
Writing: Learn to write about mysteries
using the target language.
Learning objects (学习目标)
Topic: Talk about mysteries and belongings.
1. run after _______________
2. point out _______________
3. the position of... _______________
4. 一段时间 _______________
5. 同时；一起 _______________
追逐；追赶
a period of time
指出
……的位置
at the same time
phrases
Revision
1. The book ______ be Mike’s, because ________
_______________________.
must
his name on the cover
it has
Mike
Look and guess
2. The glasses ___________ be Daisy’s, because
________________________.
could/might
she always wears glasses
Daisy
3. The suit ________ be John’s, because
_____________.
can’t
he is very fat
John
4. They ________ be twins (双胞胎), because
_________________.
must
they look the same
could
might
can’t
We can make inferences by using...
Modal Verbs (情态动词)
100%
probably true
must
20%~80%
possibly true
0%
almost not true
must>could>might>can’t
Read the beginning of a story. Who or what do you think took the lunch basket Discuss in a group and note your ideas in the box.
3a
The children pulled the boat up from the water and started to look around the island.
“Bring the picnic basket up here, under this tree, ” said Ann. “We must keep it cool ”
Lucy and Lily took the basket from the boat and put it under the tree. Lucy heard a noise, so she asked, “Does anybody live here ”
声音；噪音
“No! We’re alone here. ”said Jim. “ Isn’t that great ”
“Don’t worry!” said Kate. “We’re safe. Don’t be afraid. Let’s go for a walk.”
The children walked around, talking, and laughed happily.
When they came back for lunch, Bruce cried, “Oh dear! The picnic basket is missing!”
Who or what took the lunch basket
Why do you think so
It must be someone who took…
Because there must live humans on the island.
Inferences
reasons
It might be an alien who took…
Because a UFO was reported to be seen in the sky …
Maybe it’s an animal…
Look at the footprints…
Use your ideas to finish the story. Use the following expressions to help you.
3b
“There must be …on the island.”
“It must/ could be …”
“Maybe it’s a ...”
话
题
概
述
本单元的话题是“神秘事件”，谈论如何推测、分析并判断，要求学生能正确使用might, may, could，can, must, can’t等情态动词进行推测并写出合理的推测理由。写作中要注意连词的使用。
本节课的写作形式为续写，题材选自一则故事， 要求学生在理解故事的基础上对情节进行合理的推测。续写的内容要涉及到推断的经过和结果，并给故事一个完整的结尾。注意人物对话形式和情节合理的衔接。
一阶段：审题立意
体裁：记叙文
人称：第三人称
时态：一般过去时
要点: 1. 推断的经过
2. 推断的结果
对话形式: 直接引语
点明主题
推断的经过
推断的结果
Background information about the mystery
Different people’s opinions
(Inferences+ Reasons)
End up with the truth
(Details +Result)
二阶段：谋篇布局
Tips for the writing part.
1. 巧用推测情态动词 (mustn’t, can’t, might, could…)
“There must be …on the island.” said A. “And…”
“It must/ could be …” said B. “Because…”
“Maybe it’s a ...” said C. “Look at…”
2. 巧用推动故事发展的词汇 (and, because, look at…
The second part
3. 直接引语
发挥联想，创设情节，将最有可能的推测细节用文字进行描写，将真相还原。
The third part
The children walked around the island and looked for…
“There must be someone living on this island, ” said Lily. “And he took our picnic basket away.”
“It might be an alien. Somebody saw a UFO in the sky a few days ago,” said Jim.
“Look at the footprints in the sand. They look like some animal’s footprints. Maybe it’s a rabbit or a wolf , ” said Ann.
Sample
The children walked around the island and looked for the basket. They didn’t stop walking until they went to a big tree. On the top of the tree, there stood some monkeys, jumping and laughing. One of the monkeys was holding the lunch basket in the air.
1 Fill in the blanks with must, might or can’t.
1. That bright light ______ be a UFO — there’s no
such thing!
2. I’m still waiting for the bus, so I ______ be a bit
late for the party.
3. That sweater _______ be Carla’s. She’s the only
one who wears such colorful clothes.
can’t
might
must
Self check
先行词
who在此处引导定语从句，修饰先行词the only one，who在从句中作主语。当先行词为人时，定语从句可用关系代词who或that引导，who或that在从句中作主语或宾语，作宾语时，也可以用whom代替who。
4. Tony _______ want to go to the concert. He likes
music, but I’m not sure if he likes rock music.
5. The person you saw at the supermarket ______
be Susan. I just talked to her on the phone, and
she’s at work right now.
might
can’t
be sure是表示肯定的意思，表不确定时为be not sure, be/make sure在祈使句中表示“确保、肯定”。
Name Likes Dislikes
Jessica take photos run
Todd play the piano eat sweet food
Mike play tennis watch movies
Annie read cook
2 Look at the chart and write sentences for the
things below.
DVD It can’t be Mike’s. He doesn’t like to
watch movies.
2. bowl of ice-cream
__________________________________________
3. camera
__________________________________________
It can’t be Todd’s. He doesn’t like to eat sweet food.
It must be Jessica’s. She likes to take photos.
4. cookbook
________________________________________
5. tennis ball
________________________________________
6. running shoes
_________________________________________
It can’t be Annie’s. She doesn’t like to cook.
It must belong to Mike. He likes to play tennis.
It can’t belong to Jessica. She doesn’t like to run.
Summary
Topic: How to write an article about a strange
happening
Type: Narration(记叙文)
Structure: the background of the happening→
the process of the inference →
the result of the inference
Person: the third person
Tense: simple past tense
本节英语课讨论的话题是“Mysteries”，你的生活中发生过什么神秘的事情吗？请你根据下面的提示写一篇英语短文，给同学们讲述这件事。
Homework

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