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

Unit 6Unit 6DetectivesDetectivesLesson 17Lesson 17A Detective Story A Detective Story Objectives:Be able to read!1Be able to listen!2Be able to communicate!3Be able to understand!4Warm-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?ExampleDetective Winters will ask where Daniel Lister has been for the last 13 years.Warm-up Share a detective story with us!FunctionFunction Part!Part!请求请求ask sb to do sth 要求某人做某事要求某人做某事tell sb to do sth告告诉诉某人做某事某人做某事order sb to do sth命令某人做某事命令某人做某事request sb to do sth请请求某人做事求某人做事request（请请求）求）+that从句（从句要用从句（从句要用should do，should 也可以省略，只用原形也可以省略，只用原形do）command（命令）（命令）+that从句（从句要用从句（从句要用should do，should 也可以省略，只用原形也可以省略，只用原形do）请求请求1.请请求：求：Could you please+do sth.Could you+do sth.Would you please+do sth.Would you+do sth.肯定回答：肯定回答：Sure./Of course./Noproblem./Id love to.否定回答：否定回答：Sorry./Id love to but I 请求请求例：例：1)Could you please clean our yard?你能打你能打扫扫一下我一下我们们的院子的院子吗吗?2)Could you turn to page 34?请请翻到翻到34页页好好吗吗?3)Would you please turn on the light?请请打开灯好打开灯好吗吗?4)Would you close the door?请请关上关上门门好好吗吗?请求请求2.委婉地提出被允委婉地提出被允许许做某事：做某事：Could I please+do sth.Could I+do sth.肯定回答：肯定回答：Sure./Of course./No problem.否定回答：否定回答：Sorry.请求请求例：例：1)Could I please borrow your car?我可以借你的我可以借你的车吗车吗?2）Could I buy some drinks and snacks?我可以我可以买买一些一些饮饮料和小吃料和小吃吗吗?请求请求表示客气和委婉的表示客气和委婉的请请求的句型求的句型1.would you mind+doing?你介意你介意吗吗？请请你你可以可以吗吗？需注意：？需注意：mind+doing（为动为动名名词词）。）。动动名名词词的的否定式由否定式由“not+动动名名词词”构成。即构成。即would you mind not doing?请请不要不要好好吗吗？请求请求例如：例如：Would you mind moving your bike?请请把你把你单单车车挪挪动动一下好不好？一下好不好？-Would you mind cleaning your room?你介意打你介意打扫扫一下房一下房间吗间吗？-I am sorry.Ill clean it in a minute.对对不起，我不起，我马马上就去做。上就去做。-Would you mind not wearing the old jeans?不穿旧的牛仔不穿旧的牛仔裤裤好好吗吗？请求请求2.would的常用句型：的常用句型：would作作为为情情态动词态动词，主要用于第二人称，主要用于第二人称的疑的疑问问句中，表示句中，表示询问对询问对方的意愿或者方的意愿或者向向对对方提出方提出请请求，求，时间时间指指现现在或者将来在或者将来would语语气要比气要比will更加婉更加婉转转和客气。和客气。常用的句型除常用的句型除“would you mind doing.？”之外，之外，还还有：有：请求请求1.would you please?请请可以可以吗吗？2.would you like?需要需要吗吗？3.would you like to?你愿意你愿意吗吗？4.could you please do something?请请你做你做某事可以某事可以吗吗？5.what about doing?怎么怎么样样？6.shall we do?我我们们做做吧？吧？7.youd better do.你最好做你最好做。8.lets do.让让我我们们做做。请求请求3.回答回答dowould you mind?等提出等提出问题时问题时，表示允，表示允许许要要说说no或或not at all等等；如果介意要做肯定回答；如果介意要做肯定回答yes.或或Im sorry,but i do.等。等。例如：例如：-Do you mind if i ask you aquestion?我可以我可以问问你的一个你的一个问题吗问题吗？-No，please do.可以，可以，请问请问吧。吧。请求请求4.could表示礼貌表示礼貌请请求的用法：求的用法：could是是can的的过过去式，但在去式，但在语语气上要更加气上要更加委婉、更加客气。正式的委婉、更加客气。正式的场场合下，合下，为为了了表示礼貌，常表示礼貌，常说说“could i please?”“我我可以可以吗吗？”肯定回答多用肯定回答多用sure./certainly./yes,you can.，否定回答多用，否定回答多用Im afraid not./no,you cant.请求请求-Could i have a talk with Mr.smith,please?-Certainly.-我可以与我可以与Mr.smith谈话吗谈话吗？-当然可以。当然可以。-Could i take the seat?我能坐我能坐这这座位座位吗吗？-Im afraid not.恐怕不能。恐怕不能。选择题选择题1.Would you mind _ the litters,please?a.droping b.drop c.dropping d.to drop【答案与解析】【答案与解析】c.mind+doing 形式，形式，drop的现在分词是的现在分词是dropping。选择题选择题2.Would you like _ to my house for dinner?ing e c.to come d.dont come【答案与解析】【答案与解析】c.would you like to do sth.后接不定式。后接不定式。选择题选择题3.The TV is too loud.could you please _?a.turn it down b.turn down itc.turning it downd.turning down it【答案与解析】【答案与解析】a.could you please后接动后接动词原形，词原形，turn down 是动词是动词+副词形式的短副词形式的短语，代词放中间。语，代词放中间。选择题选择题4.-Would you mind turning down TV?-_.a.No,i dont b.Sorry,i cantc.Sorry,Ill do it right away.d.I like it.【答案与解析】【答案与解析】c.“你介意把电视声音调你介意把电视声音调低些吗？低些吗？”“真抱歉，我马上就去。真抱歉，我马上就去。”a,b的回答都太不礼貌了。的回答都太不礼貌了。d选项也非常不合选项也非常不合适。适。选择题选择题5-Would you mind helping me?-_.a.Yes,I wouldbNo,I wouldntcYes,no problem dNot at all【答案与解析】【答案与解析】d.表示允许要说表示允许要说no或或not at all等；如果介意要做肯定回答等；如果介意要做肯定回答yes.或或yes,Im sorry,but I do.等。等。选择题选择题6could you_any noise?its time for rest.aplease making bnot please makingcplease not makedplease not to make【答案与解析】【答案与解析】c.could i please?意为意为“我可以我可以吗？吗？”否定形式是在否定形式是在please前加前加not。SpeakingSpeaking Part!Part!Speaking Part！Pair-workWork with your partner.Take turns asking each other to do these things.Speaking Part！explain todays maths homeworklend you his/her dictionaryshoe you where the bus stop istell you the timeLets do it!请课后认真复习本单元语法内容，并朗诵课文对话！