北师大版英语八年级下册 Unit 6 Lesson 17 A Detective Story Ⅱ 课件（30张PPT）

(共30张PPT)
Unit 6
Detectives
Lesson 17
A Detective Story Ⅱ
Objectives:
Be able to read!
1
Be able to listen!
2
Be able to communicate!
3
Be able to understand!
4
Warm-up
Discuss with your partner. What clues do you remember from the last lesson
Warm-up
What questions do you think Detective Winters will ask Daniel Lister
Example
Detective Winters will ask where Daniel Lister has been for the last 13 years.
Warm-up
Share a detective story with us!
Function Part!
请求
ask sb to do sth 要求某人做某事
tell sb to do sth告诉某人做某事
order sb to do sth命令某人做某事
request sb to do sth请求某人做事
request （请求）+that从句（从句要用should do，should 也可以省略，只用原形do）
command（命令）+that从句（从句要用should do，should 也可以省略，只用原形do）
请求
1.请求：
Could you please+do sth.
Could you+do sth.
Would you please+do sth.
Would you+do sth.
肯定回答：Sure./Of course./No
problem./I’d love to.
否定回答：Sorry./I’d love to but I…
请求
例：1)Could you please clean our yard
你能打扫一下我们的院子吗
2)Could you turn to page 34 请翻到34页好吗
3)Would you please turn on the light 请打开灯好吗
4)Would you close the door 请关上门好吗
请求
2.委婉地提出被允许做某事：
Could I please+do sth.
Could I+do sth.
肯定回答：Sure./Of course./No problem.
否定回答：Sorry.
请求
例：1)Could I please borrow your car 我可以借你的车吗
2）Could I buy some drinks and snacks 我可以买一些饮料和小吃吗
请求
表示客气和委婉的请求的句型
1. would you mind + doing … 你介意……吗？请你……可以吗？需注意：mind + doing（为动名词）。动名词的否定式由“not + 动名词”构成。即would you mind not doing… 请不要……好吗？
请求
例如：
Would you mind moving your bike 请把你单车挪动一下好不好？
---Would you mind cleaning your room
你介意打扫一下房间吗？
---I am sorry. I’ll clean it in a minute.
对不起，我马上就去做。
---Would you mind not wearing the old jeans 不穿旧的牛仔裤好吗？
　　
请求
2. would的常用句型：
would作为情态动词，主要用于第二人称
的疑问句中，表示询问对方的意愿或者
向对方提出请求，时间指现在或者将来
would
语气要比will更加婉转和客气。
常用的句型除“would you mind doing...
？”之外，还有：
　　
请求
1. would you please… 请……可以吗？
2. would you like… 需要……吗？
3. would you like to… 你愿意……吗？
4. could you please do something 请你做某事可以吗？
5. what about doing … ……怎么样？
6. shall we do … 我们做……吧？
7. you’d better do…. 你最好做……。
8. let’s do…. 让我们做……。
　　
请求
3. 回答do／would you mind… 等提出
问题时，表示允许要说no或not at all等
；如果介意要做肯定回答yes. 或I'm sorry, but i do.等。
例如：
--- Do you mind if i ask you a
question 我可以问你的一个问题吗？
--- No，please do. 可以，请问吧。
　　
请求
4. could表示礼貌请求的用法：
could是can的过去式，但在语气上要更加委婉、更加客气。正式的场合下，为了表示礼貌，常说“could i … please ”“我可以……吗？”肯定回答多用sure. / certainly. / yes, you can.，否定回答多用I'm afraid not. / no, you can’t.
　　
请求
--- Could i have a talk with Mr. smith, please
--- Certainly.
---我可以与Mr. smith谈话吗？
---当然可以。
--- Could i take the seat 我能坐这
座位吗？
--- I’m afraid not. 恐怕不能。
　　
Let's practice now!
选择题
1. Would you mind ______ the litters, please
a. droping 　　　b. drop　　　 c.dropping 　　　d. to drop
【答案与解析】c. mind +doing 形式，drop的现在分词是dropping。
选择题
2. Would you like ______ to my house for dinner .
a.coming　　　 b. come 　　　c.to come 　　　d. don't come
【答案与解析】c. would you like to do sth. 后接不定式。
选择题
3. The TV is too loud. could you please ______
a. turn it down 　　　　b. turn down it
c. turning it down　　　d. turning down it
【答案与解析】a . could you please后接动词原形，turn down 是动词+副词形式的短语，代词放中间。
选择题
4. ---Would you mind turning down TV
--- ________.
a. No, i don't　　　　　　 b. Sorry, i can't
c. Sorry, I'll do it right away. 　　d. I like it.
【答案与解析】c. “你介意把电视声音调低些吗？” “真抱歉，我马上就去。”a, b的回答都太不礼貌了。d选项也非常不合适。
选择题
5．--- Would you mind helping me
--- _________.
a. Yes, I would　　　　　b．No, I wouldn’t
c．Yes,no problem 　　d．Not at all
【答案与解析】d. 表示允许要说no或not at all等；如果介意要做肯定回答yes. 或yes, I’m sorry, but I do.等。
选择题
6．could you________any noise it’s time for rest.
a．please making 　b．not please making
c．please not make　d．please not to make
【答案与解析】c. could i … please 意为“我可以……吗？”否定形式是在please前加not。
Speaking Part!
Speaking Part！
Pair-work
Work with your partner. Take turns asking each other to do these things.
Speaking Part！
explain today's maths homework
lend you his/her dictionary
shoe you where the bus stop is
tell you the time
Let's do it!
请课后认真复习本单元语法内容，并朗诵课文对话！