初中英语人教新目标 (Go for it) 版八年级下册Section A集体备课课件ppt

这是一份初中英语人教新目标 (Go for it) 版八年级下册Section A集体备课课件ppt，文件包含Unit10SectionAGrammarFocus-4cpptx、Unit10SectionAGrammarFocus-4c教案doc等2份课件配套教学资源，其中PPT共19页， 欢迎下载使用。
Grammar Fcus
Presentatin
一. 过去发生的动作对现在造成的影响或结果。 和already, never, ever, just, befre, yet等状语连用。 强调动作的完成，不强调动作的持续。
二. 过去已经开始，持续到现在的动作或状态，常与fr 或since引起的一段时间状语连用。
I have just had my breakfast.Have yu ever been t Japan?I have just finished my hmewrk.
I have lived here fr three years.
I have lived here since 2004.
Since he was a child, he has lived in England.
I have lived here since three years ag.
Present Perfect Tense
1. 现在完成时的特殊疑问句是什么？2. fr后面接什么？3. since后面接什么？
疑问词 + have/has + 主语 + 过去分词 + 其他？
1. Jim is in Japan. He arrived there three days ag.2. They are very hungry. Their last meal was ten hurs ag.
Rewrite the sentences using fr r since.
Jim has been in Japan fr three days.
They have nt eaten fr ten hurs.
3. I have a camera. I bught it in 2009.4. I knw Anna. I first met her three years ag.5. Linda is ill. She became ill n Mnday.
I have had a camera since 2009.
I have knwn Anna fr three years/since three years ag.
Linda has been ill since Mnday.
(1) fr+表示一段时间的短语(2) since+表示过去时间点的词语 since+表示过去时间的时间状语从句 since+一段时间+ag
表示动作从过去一直持续到现在。
eg. (1) I have been a teacher ______ a year. (2) He has been at this schl _______ 1992. (3) We have learned 1,000 English wrds _____ we came t this schl. (4) The film has been n _____ tw hurs ____.
观察以下几个句子，现在完成时中的动词有什么共同特点？1. Hw lng has he brrwed the bk? × Hw lng has he kept the bk? ∨2. Tny has bught the cmputer fr ne year. × Tny has had the cmputer fr ne year. ∨3. Hw lng has Mary left? × Hw lng has Mary been away? ∨  
带有fr, since的现在完成时的句子和hw lng引导的疑问句表示延续性动作和状态时应使用延续性动词。
延续性动词，是能够延续的动词，表示经验、经历，可以和fr+时间段，since+时间点/时间段agsince+一般过去式的句子连用。 e.g. I have knwn him since then. (表经历)例如：learn, wrk, stand, lie, knw, walk, keep, have, sleep, live, stay, sing, read, wait非延续性动词也称为终止性动词、瞬间性动词,表示行为的结果, 不能与表示一段时间的状语连用。 e.g. He has finished the wrk. (表结果)例如：pen, clse, g, leave, cme, brrw, lend, buy
1. 转换为相应的延续性动词，用于现在完成时。
非延续性动词和延续性动词之间的转换
have kept have been nhave a cld have knwn have slept have hadhave wrn
brrw begin catch a cld get t knw get t sleep buy put n
2. 转化为“be + 形容词/副词/介词/名词”
have been n have been ut have been clsed have been pen have been (in)have been dead have been away have been verhave been asleep have been in/be a member f have been have been friendshave been + 相应的介词短语
begin / startg utclsepen get t/arrive/reachdieleavefinishfall sleepjinbecmemake friendscme/g
Fill in the blanks with the crrect frms f the verbs in brackets.
I _______________ (never be) t the water park befre. I want t _____ (g) next mnth befre the weather gets t cld.2. They __________________ (never wn) any pets, but they __________________ (always want) t have a dg.
have never been
have never wned
have always wanted
3. We _________ (have) a pian since last Nvember. We _______ (buy) it frm the Li family when they mved t the US last year.
4. 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.5. This museum _________ (be) here fr ver 20 years. It _____ (be) ne f the ldest buildings in this small twn.　　
haven’t been
1. The class was ver ten minutes ag.(同义句转化) The class _______________ fr ten minutes.2. His grandpa died in 2004. (同义句转化) His grandpa ___________________fr 10 exhibitin has been n fr three days. (同义句转化) The exhibitin __________________ three days parents gt married 25 years ag.(同义句转化) My parents __________________ fr 25 years.5. I bught the MP3 last week. (同义句转化) I __________ the MP3 fr a week.6. Kitty jined the Reading Club last year. (同义句转化) Kitty _____________________ the Reading Club since last year.
has been ver
has been dead
started / began
have been married
has been a member f
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?
1. 现在完成时的特殊疑问句的结构： 疑问词 + have/has + 主语 + 过去分词 + 其他成分。 询问多长时间的疑问词用hw lng。2. fr后接一段时间，指某个动作或 情况到现在为止已持续了多久。3. since后接一个时间名词或时间状语从 句；表示“自……以来”，指某个动作 或情况从过去某一点时间一直持续到 现在。
1. 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.5. She _______ this bk fr nearly three weeks. A. has brrwed B. has lent C. has bught D. has kept 6. Ten years has passed ____ the CCTV event Peple Wh Mved China tk place in 2002. A. when B. while C. befre D. since