人教新目标 (Go for it) 版八年级下册Section A示范课ppt课件

这是一份人教新目标 (Go for it) 版八年级下册Section A示范课ppt课件，共29页。PPT课件主要包含了for+一段时间，Grammar，现在完成时三，练一练，since，for，has been，have kept，have had，bought等内容，欢迎下载使用。

Key wrds & phrases: hmetwnKey sentences:1. She has been ill since Mnday.2. I have never been t the water park befre.3. Hw lng has his sn wned the train and railway set?T learn the present perfect tense with “since” & “fr” and cntinuatin and nn-cntinuatin verbs.
Presentatin
Grammar Fcus
Find adverbials f time beginning with fr and since.
since+过去的时间点
用什么疑问词来询问拥有某物品的时间？
询问拥有时间的疑问词用hw lng。
现在完成时的特殊疑问句结构是什么？
疑问词（不作主语）+have/has+主语+过去分词+其他成分?
一、含since 或 fr 的现在完成时某些动词的现在完成时可表示过去某一时间开始并一直持续到现在的动作或状态，常与“fr + 时间段”、“ since＋过去的时间点或从句”或“since + 时间段＋ag”连用。He has wrked here fr ver twenty years.He has learned abut 5,000 English wrds since he went t cllege.She’s been at this schl since five years ag.
【拓展延伸】含 fr 和含 since 的现在完成时的句子有时可互相转换。我从13年前开始就住在这里。I’ve lived here since 13 years ag.= I’ve lived here fr 13 years.= It has been 13 years since I began t live here.
视频源文件在文件夹中，在文件夹中打开播放。
Vide: The differences between fr and since
选择fr或since填空。1. I have been here ________ five mnths ag.2. He has been a sldier _____ abut tw mnths.3. Great changes have taken place ________ yu left.4. His grandpa has been dead _____ ten years.5. I have studied English _______ I was 12 years ld.6. It is tw years ________ I became a pstgraduate student.
二、现在完成时中的谓语动词在现在完成时中，与“fr + 时间段”、“since + 过去的时间点或从句”或“since＋时间段＋ag”连用的动词必须为延续性动词。常见的延续性动词有 have，live，teach，learn，wrk，study ，knw 等；常见的非延续性动词（词组）有 cme，g，leave，start，die，finish，becme，jin，buy，get married 等。
他入团两年了。( × ) He has jined the League fr tw years.( √ ) He has been a League member fr tw years.这块手表我买了两年了。( × ) I have bught this watch fr tw years.( √ ) I have had this watch fr tw years.
【拓展延伸】部分非延续性动词（词组）和与之对应的延续性动词（词组）的表达。
Becky (has been, has becme) a dctr fr ten years. She likes her jb very much.2) We are late. The mvie (has started, has been n) fr ten minutes.3) Ken, yu shuld return the bk t the library. Yu ______________ (have brrwed, have kept) it fr mre than tw weeks.4) I (have bught, have had) this bike since I was ten, s I want t buy a new ne.
Rewrite the sentences using fr r since.
1. Jim is in Japan. He arrived there three days ag.____________________________________________2. They are very hungry. Their last meal was ten hurs ag.____________________________________________3. I have a camera. I bught it in 2009.____________________________________________
They have nt eaten fr ten hurs.
I have had a camera since 2009.
Jim has been in Japan fr three days.
4. I knw Anna. I first met her three years ag.________________________________________________5. Linda is ill. She became ill n Mnday.________________________________________________
I have knwn Anna fr three years.
Linda has been ill since Mnday.
Fill in the blanks with the crrect frms f the wrds in brackets.
I _______________ (never be) t the water park befre. I want t _______ (g) next mnth befre the weather gets t cld. They ________________ (never wn) any pets, but they ___________________ (always want) t have a dg. We ____________ (have) a pian since last Nvember. We ________________ (buy) it frm the Li family when they mved t the US last year.
have never been
have never wned
have always wanted
Cathy and Amy __________________ (nt be) back t their hmetwn fr tw years. They ___________ (miss) their hmetwn a lt and hpe t visit the place next year.This museum _____________ (be) here fr ver 20 years. It ______ (be) ne f the ldest buildings in this small twn.
have nt/haven’t been
Fill in the questins and ask tw students. Then cmplete the chart.
1. D yu have a(n) __________? Hw lng have yu had it?2. D yu wn a(n) __________? Hw lng have yu wned it?
Language pints
have been in + 地点名词
Jim has been in Japan fr three days.
have been in + 地点名词，常与时间段连用，表示“待在某地（多长时间）”。当 have been in 后面接地点副词时，省略 in。— Hw lng have yu been in China?— I have been here since six years ag.
1.As an exchange student, Alan ____ Wuhan fr ne and a half years. A. has been t B. has been in C. has gne t D. ges t2.Betty ____ hard since last term. That’s why her exam results are s gd! A. has wrked B. will wrkC. wrked D. was wrking
3.— Yu have a nice car. — Thank yu. I ______ it fr less than ne mnth. A. bught B. have bught C. had D. have had4.— I’m srry fr being late. — Never mind. The meeting ______ fr nly 5 minutes. This way, please. A. has begun B. has ended C. has been n D. has been ver
5.— I ______ Ann with her Chinese ver years, but she can’t speak it at all. — Never mind. She is t yung.A. have helped B. help C. helping D. helped 6.— I’m srry, Lucy. I ______ yur cmputer fr such a lng time. — Never mind.A. have brrwedB. have lent C. have kept D. have returned
7.My brther ______ this bk fr tw days.A. has bught B. has kept C. has brrwed D. has lent 8.It ______ ten years since he left the army.A. is B. has C. will D. were
1.Paul has had the kite fr tw years. (改为一般疑问句)_________Paul ___________the kite fr tw years?2.The cat died three days ag. (改为同义句)The cat __________ __________ __________ fr three has eaten this kind f chicken befre. (改为否定句)Tm _________ ___________ this kind f chicken befre.
4.I have been here fr three years. (对画线部分提问) _________ __________have yu been here?5.I bught the radi tw days ag. (改为同义句)I________ ___________ the radi fr tw days.
Preview the new wrds and phrases in Sectin B(1a-1d).D the exercises in students’ bk.