英语人教版八年级下册初中英语现在完成时的讲解.ppt

1.They have already seen the film.2.I have learned English for ten years.3.He has lived in London since ten years ago.4.Has your sister finished her homework yet?5.They have just finished the work.6.He has already left here.7.Have you written to your parents yet?The present perfect tense华兴中学初中部 初二三班 唐 琳现在完成时的主要用法现在完成时的主要用法现在完成时的时间状语现在完成时的时间状语短暂性动词与时间段的关系短暂性动词与时间段的关系have been 与与have gone 比较比较现在完成时的构成现在完成时的构成现在完成时现在完成时的构成现在完成时的构成:肯定句：肯定句：have/has+done否定句：否定句：have/has+not+done 一般疑问句：一般疑问句：Have/Has+主语主语+done?现在完成时的主要用法现在完成时的主要用法:用法一：用法一：表示过去发生的某一动作对现在造成的影响或结表示过去发生的某一动作对现在造成的影响或结果果.I have already read this book.我已我已经读过这经读过这本本书书了。（知道了。（知道书书中的内容）中的内容）I have washed my clothes already.我已我已经经洗了衣服。（衣服洗干洗了衣服。（衣服洗干净净了）了）I have just finished my homework.我我刚刚做完我的家庭作做完我的家庭作业业。（作。（作业业没有了）没有了）用法二：用法二：表示过去表示过去某个时间开始的动作一直持续到现在某个时间开始的动作一直持续到现在并且还有可能持续下去。并且还有可能持续下去。for+for+时间段时间段 since+since+时间点时间点/句子句子I have learnt English I have learnt English for more than ten years.for more than ten years.我已经学了我已经学了10多年的英语。多年的英语。(从从10年前开始年前开始,持续到现在还在学持续到现在还在学)She has swum since half an hour ago.她她已经游泳了半个小时已经游泳了半个小时。(半个小时前已经开始游泳半个小时前已经开始游泳,到现在还在游到现在还在游)现在完成时的时间状语现在完成时的时间状语:下一页现在完成时常与副词already,yet,never,just，ever 等连用。1.already 意为意为“已经已经”，通常，通常用于肯定句用于肯定句，可放在助动词之后，可放在助动词之后，过去分词之前，也可放在句末。过去分词之前，也可放在句末。2.yet 在疑问句中意为在疑问句中意为“已经已经”，在否定句中意为，在否定句中意为“还（没）还（没）”，放在句末。，放在句末。3.never 意为意为“从来没有从来没有”常与常与before连用，多放在助动词与过连用，多放在助动词与过去分词之间。去分词之间。4.Just 意为意为“刚刚刚刚”，表示行为刚刚过去，常放在助动词与过，表示行为刚刚过去，常放在助动词与过去分词之间。去分词之间。5.ever 意为意为“曾经曾经”，用于疑问和否定句中，常放在助动词与，用于疑问和否定句中，常放在助动词与过去分词之间。过去分词之间。for+时间段 since+时间点/从句so far“到目前为止”用用 for和和 since填空填空:_ _ _ a long time_ a long time._since5oclock._since5oclock._ 2017._fivehoursago._ 2017._fivehoursago._ _ _ _ 20 minutes._ 20 minutes._two weeks._two weeks._ _ _ he came to China._ he came to China._ last month._ last month._ _ several years._ several years._ three days ago._ three days ago.forsinceforforforsincesincesincesincesince注):对for或since引导的时间状语提问 必须用how long,决不能用when.I have lived here for 10 years.How long have you lived here?She has stood here since 2 hour ago.How long has she stood here?Exercises1.I _(have)lunch already.2.Has the train_(arrive),yet?3.Tome _ never_(be to)China.4.The twin _just _(see)my father.5.The twins _(see)my father just now.have hadarrivedhasbeen tohasseensaw动动 词词 填填 空：空：1._ you _(clean)the room?1._ you _(clean)the room?Yes,we _ Yes,we _(do)that(do)that alreadyalready.When _ you _(do)it?When _ you _(do)it?We _(do)it We _(do)it an hour agoan hour ago.2._ he _(see)this film 2._ he _(see)this film yetyet?Yes.?Yes.When _ he _(see)it?When _ he _(see)it?He _ it He _ it last weeklast week.3.How many times _you_(be)there?3.How many times _you_(be)there?Havecleanedhave donediddodidHasseendidseesawhavebeen下一页4.I _(read)the novel twice.Its interesting.5.She _(go)to Pairs,hasnt she?Yes.How _ she _(go)there?She _(go)there by air.6.So far,many countries _(develop)their software programs.7.Mr Chen _(give)up smoking last year.8.Mr Chen _(give)up smoking since last year.have readhas gonedidgowenthave developedgavehas given下一页1.你曾经吃过鱼和薯条吗？你曾经吃过鱼和薯条吗？2.我刚刚丢了我的语文书。我刚刚丢了我的语文书。3.我以前从来没去过那个公园。我以前从来没去过那个公园。4.他已经吃过午饭了。他已经吃过午饭了。5.你已经看过这部电影了吗？你已经看过这部电影了吗？_you ever _ fish and french frise?I _ just _my Chinese book.I _ _ _ _ that park.He _ _ _lunch._ you _ this movie _?Have eatenhave losthave never been tohas already hadHave seen yet1.我自从上星期看过这部电影。我自从上星期看过这部电影。2.自从自从1992年他住在这里。年他住在这里。3.这本字典我已买了三年了。这本字典我已买了三年了。4.我的爷爷死了我的爷爷死了10年了。年了。I _ _this movie _ last week.He _ _ here _ 1992.I _ _ this dictionary _ three years.My grandpa _ _ _ _ 10 years.have seen sincehas lived sincehave had forhas been dead for短暂性动词与延续动词间的转换leave-come/go(to)-arrive(at/in)-get(to)-reach-buy-borrow-finish-join-start/begin-die-close-open-return-marry-become-be away(from)be(in/at)be(in/at)be(in/at)be(in/at)havekeepbe overbe inbe onbe deadbe closedbe openbe backbe married be1.我已买了这支钢笔。I_ _ the pen.这支钢笔我已买了两年了。I_ _ the pen _ two years.2.他的祖母已经去世了。His grandma _ _.他的祖母已去世10年了。His grandma_ _ _ _ 10 years.3.我已从图书馆借了这本书。I_ _ the book from the library.这本书我已借了两周了。I_ _ the book _ 2 weeks.have boughthave had forhas diedhave been dead forhave borrowedhave kept forPlease point out any mistakes and correct1.I have got to Paris for one week.2.My brother has joined the army for five years.3.I have left Shanghai for 3 days.4.I have borrowed the dictionary since 3 days ago.5.The film has begun for 10 minutes.6.The concert has finished for half an hour.7.His dog has died for two years.8.She has married for six years.been inbeen inbeen away keptbeen on been over been dead been married have been 与have gone 的用法比较 have been to 意思是意思是“到过，去过到过，去过”，表，表示示曾经到过某处曾经到过某处，但现在人不在那儿。，但现在人不在那儿。have gone to 意思是意思是“去了去了”，表示，表示已已经去了经去了某地，现在人可能在去的途中或某地，现在人可能在去的途中或已在那儿了。已在那儿了。have been in 意思是意思是“呆在某处一段时呆在某处一段时间了间了”上一页下一页主菜单用用Have been to,have gone to,have been in 填空填空1.1.Mike and his parents _ the north Mike and his parents _ the north for half a year.for half a year.2.2.Mum is not at home now.she _ the Mum is not at home now.she _ the shop.shop.3.3._ you ever _ to kunming?Never._ you ever _ to kunming?Never.4.4.Where _ you _ these days?Where _ you _ these days?5.5.Has Jim arrived yet?Has Jim arrived yet?Yes,he _ here for several days.Yes,he _ here for several days.6.6.Where is Peter?I dont know where he Where is Peter?I dont know where he _._.7.7.Hi Jim!Where _ you _?Hi Jim!Where _ you _?Li Lei is looking for you.Li Lei is looking for you.have been inhas gone tohave beenHave beenhas been has gonehave been下一页上一页主菜单