(共20张PPT)
Unit 8
Section A(1a - 2d)
It must belong to Carla
1. 驾照
2. 扎耳洞
3. 理发；剪发
4. 陪伴在某人旁边
5. 给某人一个拥抱
6. 把某人抬起来
7. 后悔做某事
8. 为社区做义工
9. 远离
10. 成功应付他们自己的生活
11. 对某人严格要求
12. 不反对某事
13. 严肃/认真对待
14. 保持关机状态
15. 被放在首位
16. 最终成为
17. 被教育去做某事
18. 回嘴；顶嘴
19. 跑过田野
20. 妨碍
driver's license
get one's ear pierced
get one's hair cut
stay by one's side
give sb a hug
lift sb. up
regret doing
do social work for community
keep away from
manage one's own life
be strict with sb.
have nothing against
be serious about
keep mobile phones off
be put first
end up as
be educated to do
talk back
run through the field
get in the way
1a
Look at the picture. Write the things you see in the correct columns in the chart.
Interaction
Clothing Fun things Kitchen things
hat volleyball plate
T-shirt
jacket
baseball cap
toy truck
book
(Harry Potter)
magazines (rabbits)
CD
(Michael Jackson)
cup
Listen and match each person with a thing and a reason.
1b
Person Thing Reason
Jane’s little brother volleyball J.K. Rowling is her favorite writer.
Mary
toy truck
She loves volleyball.
Carla
magazine
He was the only little kid at the picnic.
Deng Wen book She always listens to pop music.
Grace CD He loves rabbits.
Interaction & Extension
Research and conclusion
Whose magazine is this It’s his.
Whose is this volleyball It’s Tom’s
That book must belong to Mary.
That book must be Mary’s.
询问物品的主人时，常用“Whose + _______ + 一般疑问句”或：“______+一般疑问句”的结构。
Whose
名词
belong to 意为“____”，它一般不用于进行时态和被动语态。后常跟名词或代词宾语，表示“某物属于某人” 。它可以和“____________________”。
be + sb’s/名词性物主代词
属于
那本书一定属于玛丽。
那本书一定是玛丽的。
2a
Things in the schoolbag
1.T-shirt
2.
3.
hair band
tennis balls
Bob and Anna found a schoolbag at the park. Listen and write down the things in the schoolbag.
Interaction & Extension
2b
must
can’t
could
might
must
Listen again. Fill in the blanks.
1. The person _____ go to our school.
2. The person ____ be a boy.
3. It _____ be Mei’s hair band.
4. The hair band _____ belong to
Linda.
5. It _____ be Linda’s schoolbag.
Interaction & Extension
Research
You must be very tired after a long journey.
This book must be Linda’s. Her name is on the cover.
Look at the clouds. It might rain later.
This hair band could be Carla’s. She has long hair.
That man can’t be Mr. Black. He has gone to Britain.
Use “must” to show that you are sure something is probably true.
Use “might/could” to show that you think something is possibly true.
Use “can’t” to show that you are almost sure something is not true.
情态动词 用法 例句
must 表示很有把握的推测，意为“一定”，只用于肯定句。 The room is dark. He must be sleeping.
could
might 表示不太有把握的推测，意为“可能”。
I’m not sure.
/I haven’t decided The pen could / might be Joe’s. I saw it on his desk just now.
can’t 表示很有把握的否定推测，意为“不可能”。 The girl here can’t be Helen. Helen has gone to Beijing.
It must be Carla's.
It can't be Carla's.
一定是/不可能是......
Must I clean the classroom
Yes, you must.
No, you needn't. / No, you don't have to.
必须......
You mustn't smoke here.
一定不要......
《课本》P 4a
Feedback
1. A: Where’s Jean
B: I’m not sure. She ________ (is/ might be/ must be) in the laboratory.
2. A: Everyone is going to the pool after school.
B: Really It _______ (must be / can’t be /could be ) hot outdoors.
3. A: That’s the phone.
B: Hmm. I wonder who it _______ (must be / could be / should be).
4. A: I wonder if there are Jim’s glasses.
B: They _______ (can’t be / might be / could be) his. He doesn’t wear glasses.
5. A: I hear water running in the bathroom.
B: It ________________ (could be / must be / can’t be) Carla. She was thinking of taking a shower.
4a
Choose the best way to complete each sentence using the words in brackets.
might be
must be
could be
can’t be
could be/ must be
Listen to the conversation and answer the questions.
2d
1. What’s wrong with Linda
2. What’s in her schoolbag
3. Where did Linda go after the concert
Linda
She can’t find her schoolbag.
Her books, her pink hair band and some tennis balls.
She went to a picnic after the concert.
Research & Interaction
Research
合作探究
I attended a concert yesterday so it might still be in the music hall.
join / take part in /attend
Discuss the differences with your partner.
take part in 指参加 _____, 着重说明主语参加该项活动并在活动中发挥作用。
take an active part in 积极参加……
活动
attend vt. 指参加________________________; 去上课, 上学, 听报告等。
会议, 婚礼, 葬礼, 典礼
join指加入某个____________等, 成为其中一员, 如“ 参军, 入党, 入团 ”。
join sb. 和某人一道做某事
join in 多指参加小规模的_____如 “游戏, 比赛”, 口语中常用。
党派, 团体组织
活动
Conclusion
I think somebody must have picked it up
must have done 表示对过去已发生的事情进行的肯定推测, 意思是“过去一定做过了”。
e.g. He’s playing outside.
He must have finished his homework.
我想一定有人捡到它了。
Why didn’t you _____ yesterday’s meeting
A. join B. take part in C. attend D. join in
2. My grandfather _____ the Party in 1956.
A. join B. take part in C. attend D. join in
3. We will have a party this Sunday. Will you ____ us
A. join B. take part in C. attend D. join in
4. --_____ bookcase is this
-- It must be ______.
A. Who’s; Tom’s B. Whose; Tom’s C. Whose; Tom
反馈练习Feedback
Section A (I)
1. Key sentence Patterns
Whose magazine is this It’s his.
Whose is this volleyball It’s Tom’s
That book must belong to Mary.
That book must be Mary’s.
2. 表示推测的几种用法：
must 一定
might/could 可能
can’t 不可能
Homework
1. Recite the conversation in 2d.
2. Finish the exercises in the workbook on P - .
