人教版八下-Unit 10 I 've had this bike for three years.-Section A Grammar focus 4a—4c-ppt课件-(含教案+素材)-市级优课-(编号：e0006).zip

1、自研 自探 合作 探究 展示展示 提升提升 归纳 总结 A:Doyouhavea(n)_? B:Yes,Ido. A:Howlonghaveyouhadit? B:Ivehaditfor/since GrammarFocus Howlonghaveyouhadthatbikeoverthere? Ivehaditforthreeyears. Howlonghashissonownedthetrainandrailwayset? Hesowneditsincehisfourthbirthday. Haveyoueverplayedfootball? Yes,IdidwhenIwaslittle,

2、butIhaventplayedfora whilenow. 课堂小结课堂小结 现在完成时用法（二）现在完成时用法（二） 表示从过去已经开始持续到现在的动作或 状态，可以和表示“从过去某一时刻延续到 现在的一段时间状语”连用，如“for + 时间 段”、“since + 过去时间点”、“since + 一段 时间 + ago”、“since + 过去时的从句”。且 for与since引导的时间状语可以相互转换。 since,for的用法的用法 : since:自自.以来以来 1)since+时间点时间点 Hehasstayedheresince5oclock. 2)since+时间段时间段+a

3、go Hehasstayedheresince5hoursago. 3)since+从句从句(句子要用一般过去时态）句子要用一般过去时态） ShehastaughtEnglishsincehecamehere. for:(长达）长达）for+时间段时间段 Hehaskeptthebookfor2weeks. since一段时间一段时间agofor时间时间段段; sincetwoweeksago=fortwoweeks; Ihavekeptthelibrarybookforaweek. =Ihavekeptthelibrarybooksinceaweekago. 在现在完成时态中，在现在完成时态

4、中，for与与since引导的时间引导的时间 状语可以相互转换。状语可以相互转换。 Itis+间间 段段+since+一般一般间 去去间 的句子的句子. 1.他的爷爷已经去世2年了。 2.Nick参军三年了。 3.他离开深圳好长时间了。 4.这本书我已借了4个月了。 Itis2yearssincehisgrandpadied. Itis3yearssinceNickjoinedthearmy. ItisalongtimesinceheleftShenzhen. Itis4monthssinceIborrowedthebook. howlong VShowsoon How long 多久, 多长

5、(时间)。对时间段提问, 如: for+ 时间段；since+过去的时间点。 e.g. -How long have you worked in Beijing? -For five years. How soon多久以后。对“in+时间段提问, 常用于一般 将来时”, 其答语常用“in+时间段”。 e.g. -How soon will Jack come back? -In a week. How often 多久一次, 对频率提问, 其答语为: once (twice/)+时间段, always, usually 等。 e.g. -How often do you exercise? -

6、Once a day. How far 多远，对距离提问，其答语是表距离的内 容。 e.g. -How far is it from here to your school? -Three kilometers. howoften VS howfar 课堂小结课堂小结 现在完成时用法（二）现在完成时用法（二） 注意注意：动词：动词使用使用 延续性动词延续性动词 常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变 第一类第一类：短暂动词：短暂动词be+adj. diefinish open/close fallill/asleep marrysb/getmarriedto 第二

7、类第二类：短暂动词：短暂动词be+介词介词. start/begin leave join bedead beawayfrom bein/beamemberof beopen/closed beon beover beill/asleep bemarriedto 第三类第三类：短暂动词：短暂动词另一个动词另一个动词 buy borrow become puton come arrive keep have be wear be be 4a Rewritethesentencesusingfor orsince. 1.JimisinJapan.Hearrivedtherethreedaysago

8、. 2.Theyareveryhungry.Theirlastmealwasten hoursago. Theyhaventeatenforten hours/sincetenhoursago. JimhasbeeninJapanforthreeyears. 随堂训练随堂训练 3.Ihaveacamera.Iboughtitin2009. 4.IknowAnna.Ifirstmetherthreeyears ago. 5.Lindaisill.ShebecameillonMonday. Ihavehadacamerasince2009. IhaveknownAnnforthreeyears/

9、sincethreeyearsago. LindahasbeenillsinceMonday. 4b Fillintheblankswiththecorrect formsoftheverbsinbrackets. 1.I_(neverbe)tothewaterpark before.Iwantto_(go)nextmonthbeforethe weathergetstoocold. 2.They_(neverown)anypets,but they_ (alwayswant)tohaveadog. haveneverbeen go haveneverowned havealwayswante

10、d 3.We_(have)apianosincelast November.We_(buy)itfromtheLi familywhentheymovedtotheUSlastyear. 4.CathyandAmy_(notbe)backto theirhometownfortwoyears.They_(miss) theirhometownalotandhopetovisittheplace nextyear. havehad bought haventbeen miss 3.We_(have)apianosincelast November.We_(buy)itfromtheLi fami

11、lywhentheymovedtotheUSlastyear. 4.CathyandAmy_(notbe)backto theirhometownfortwoyears.They_(miss) theirhometownalotandhopetovisittheplace nextyear. havehad bought haventbeen miss 5.Thismuseum_(be)hereforover20 years.It_(be)oneoftheoldestbuildingsin thissmalltown. hasbeen is Fillinthequestionsandasktw

12、o students.Thencompletethechart. 1.Doyouhavea(an)_?Howlonghave youhadit? 2.Doyouowna(an)_?Howlonghave youownedit? 4b 1.ReadGrammarFocusfivetimes. 2.FinishtheExercise. Homework 5. Look at my _(卧室）.It is very big. 二.单项选择。 （ ）1. Have you ever been to an amusement park? No, _. A. I have B. I am not C. I

13、 havent D. I hasnt （ ）2. Ive never been to a water park. _ A. Me, too B. Me, neither. C. Me also. D. Me both. （ ）3. Has the train _ yet? A.got to B.reached C.arrived D.arrived at （ ）4.The teacher asked _. A.whats your name B.what was your name C.what your name is D.what your name was （ ）5.Do you min

14、d if I stay here a little longer? _. A.No, you cant B.Yes, you may C.Certainly not D.Yes, not at all （ ）6.How long has his brother _ the book? A.kept B.bought C.lent D.borrowed （ ）7.Ive never seen such a fine picture _. A.ago B.before C.yet D.later （ ）8.Has the foreigner been to many interesting pla

15、ces in Beijing? Yes, but he has not _been to many other parts of China. A.already B.still C.yet D.never 三. 同义句转换。 1. This factory opened 20 years ago. This factory for 20 years. 2.He joined the league in 2002. He a since . 3.He came out 2 years ago. He for . 四.按要求改写句子。 一根据句意及汉语提示写出单词 1.How long have

16、 you _(拥有）this lovely pet? 2.I want to buy two _(围巾）for my two sisters. 3.Her skirt is made of silk. It feels _(柔软的）. 4. Jone and his grandpa both enjoy playing _(棋类游戏）. 1. I have had this bike for five years. (改为一般疑问句) _ you _ this bike for five years. 2. We no longer want to stay here. ( 同义句转换) We

17、 _ want to stay here _ _. 3. The Greens have lived in Shanghai for over ten years. ( 对划线部分提问) _ _ _ the Greens lived in Shanghai. 4. Wangwang, a lovely dog, died a week ago. (同义句转换) Wangwang, a lovely dog, _ _ _ for a week. 五.阅读理解。 Last Sunday I saw the worst storm. It came suddenly and went on for

18、more than three hours. After lunch, I went into my room to have a rest. The air was hot, and everything was quiet. The strong wind started blowing into my room suddenly. Pieces of paper on my desk flew high into the air and some flew out of the open window. As I ran out to catch them, big drops of r

19、ain began to fall. When I came back into the house, it was raining harder and harder. I tried very hard to close the window. Then I heard a loud crashing sound from the back of the house. I ran out of my room to find out what it was- a big tree fell down and broke the top of the back room. ( )1. The

20、 storm happened_. A. in the morning B. in the afternoon C. while I was in the back room D. while I was in the garden ( )2. Before the storm came, the weather was_. A. cold B. cool C. hot D. warm ( )3. The storm went on for_. A. over three hours B. three hours C. less than three hours D. two hours (

21、)4. The wind blew some of the paper_. A. all over the floor B. out of the door C. into the back room D. out of the open window ( )5. The top of the back room was broken because of_. A. the hot air B. the crashing sound C. the rain D. the falling tree Unit10 Ive had this bike for three years Section

22、A(Grammar Focus4d) Teaching Aims 1. Knowledge Aims (1) . Students can use the key structures: How long have you had that bike over there? 那边的那辆自行车你买了多长时间了？ Ive had it for three years. 我买了三年了。 How long has his son owned the train and railway set? 他的儿子拥有这套轨道火车多长时间 了？ Hes owned it since his fourth birt

23、hday. 自他四岁生日起，他就拥有了它。 Have you ever played football? 你曾经踢过足球吗？ Yes, I did when I was little, but I havent played for a while now. (2) The distinction between simple past tense and present perfect tens e. 2. Ability Aims (1) Learn and master how to talk about possessions and things around you by usin

24、g the language chunks. (2) Students can make a distinction between simple past tense and present perfect tense. (3) Students can make a distinction between since and for. 3. Moral Aims Educate students to treasure every moment that we have. Teaching Key Points (1) Learn and master how to talk about

25、possessions and things around you by using the language chunks. (2) Students can make a distinction between since and for. Teaching Difficult Points (1)The distinction between simple past tense and present perfect tense. (2) Students can make a distinction between since and for Teaching Methods The

26、activity teaching method, the cooperative learning method, and the task-based language teaching method. Teaching Aids PPT. Teaching Procedures Step 1 Warming-up 1. Enjoy an English song. 2.Show some pictures to the students and get them to ask and answer like this: A: How long have you had this bike

27、? B: Ive had it for two years. Step 2 Grammar Focus 1.Show the students some pictures of flea market and ask them to ask and answer in pairs likethis: How long have you had this book? For a week./Since a week ago. Have you ever played basktall? Yes, I did yesterday afternoon. 2. The students read th

28、e grammar and fill in the blanks: 1) How long _ you had that bike over there? Ive had it _ three years. 2 ) How long_ his son owned the train and railway set? Hes owned it _ his fourth birthday. 3) _ you ever played football? Yes, I did when I was little, but I_ played for a whil e now. 3. Explain t

29、he distinction between since and for. for 与 since 都能与现在完成时连用，但区别较大： for 后须接“时间段” He has studied English for five years. 他学英语 5 年了。 since 后须接“时间点” He has studied English since 1999. 他从 1999 年开始学英语 二者可以转换 for + 一段时间 = since + 一段时间 + ago He has been here for five weeks. = He has been here since five we

30、eks ago. 他到这儿已经有五个星期了 二者引出的时间状语往往用 how long 提问。 I have had this book for two weeks. How long have you had this book? I have had this book since two weeks ago. How long have you had this book? 4. Explain the distinction between simple past tense and present perfect tense. 一般过去时表示在过去某个时间发生的动词或存在的状态，也表

31、示过去经常或反复发生 的动作。 e.g. He came here yesterday. 现在完成时表示过去的动作（或状态）对现在产生的影响和结果 e.g. He has broken his bottle. 构成不同 Tom went to London last year. Lily has been to London twice. 一般过去时的谓语动词用过去式， 现在完成时的谓语用“助动词 have /has +过去分词” 用法不同: 现在完成时是表示过去的动作与现在的联系，主要说明的是现在的情况和状 态；而一般过去时则强调动作发生在过去某一时间，与现在不发生 联系. I had su

32、pper an hour ago我一小时前吃的晚饭。 （表示过去的动作） I have just had supper我刚刚吃过晚饭。 （强调对现在的影响我不饿） He was a teacher then他那时是个教师。 （表示过去的状态） He has been a teacher since then他从那时起一直当教师。 （他现在还是教师） 一般过去时常与表示过去的具体时间状语连用，现在完成时常与表示一段时间的时间状 语连用，或无时间状语。 一般过去时的时间状语： yesterday, once , last week, . ago, in 1980, in October, just now 等具体的时间状语。 Blackboard Design Unit10 Ive had this bike for three years Since and for How long and how soon