1、Goodbye to you,my trusted friend.Weve known each other since we were nine or ten.Together weve climbed hills and trees.We had joy we had funWe had Seasons in the SunPart 1:DefinitionPart 1:DefinitionCONTENTPart 2:Part 2:StructureStructurePart 3:UsagePart 3:UsagePart 4:Exercise&SummaryPart 4:Exercise
2、&SummaryPART 01PART 01Definition of Present Perfect tense 定义1、表示动作从过去开始持续到现在，并有可能持续到将来。2、表示过去发生的动作或事情对现在的影响和产生的结果;它强调的是过去的动作同现在的联系。They have been away for two years.My dog Kiki has been with our family since I was 16.have just opened The door is not closed now.）PART 02PART 02Structure of Present Per
3、fect tense 结构 主语+have/has+V.pp.主语+have/has not+V.pp.have not=havent has not=hasntHave/Has 主语+V.pp.?Yes,主语 have/has.No,主语 havent/hasnt.肯定句否定句一般疑问句V.pp.=past participle 动词过去分词RegulargroupIrregularGroup 1ABCIrregular Group 2 ABBIrregular Group 3 AAAIrregular Group 3 ABA/AAB05Regular Group 规则动词变形 n4.双写字
4、母双写字母+ed stop-stopped drop-droppedn3.辅音字母+y ied study-studied cry-criedn1.直接+ed visit-visited work-worked 2.不发音字母e结尾，直接+d live-lived like-liked不规则变化原形过去式过去分词原形过去式过去分词AAA型ABC型hithithitdodiddoneputputputgowentgoneletletletflyflewflownreadreadreadwritewrotewrittencostcostcostABA型ABB型comecamecomebuyboug
5、htboughtbecomebecamebecomefindfoundfoundAAB型feelfeltfeltbeatbeatbeatenhavehadhadGroup 2 hate finish know Group 1 wait plan see Group 3 stop carry cost Group 4 hurry dance lostl 写出下列动词的过去分词写出下列动词的过去分词wonderfulPART 03PART 03Usage of Present Perfect tense 用法already已经(肯定句)yet已经（一疑句）还（否定句）ever曾经(一疑句)neve
6、r从来不just刚刚so far到目前为止I have already read Little Women.I havent read Little Women yet.Have you read Little Women yet?Have you ever read Little Women?I have never read Little Women.I have just finished reading Little Women.I have only planted 100 trees so far.I have read Robinson Crusoe twice.twice/其他
7、倍数两次、几次Adverbs of time 时间标志词PracticeTips：try to judge the types of each sentence like statement,negative or yes-no question?根据句意,用上一页的时间副词填空：1.I have _ finished my homework.2.He has not begun to work _.3.I have _ finished my lunch.4.Have you _ been to the park?No,_.5.Have you seen the movie _?6.She
8、has learned 3000 English words _.already/justyetjusteverneveryetso farfor&since 用法Step2.Understandingforsince“自以后；从以来”for+段时间 since+点时间 since+句子（一般过去时）.E.g.1)I have lived here for more than twenty years.我在这儿住了二十多年了。=I have lived here since twenty years ago.(通常可以与“since+过去的时间点”互换使用)E.g.1)I have lived
9、 here since I was born.我从出生起就住在这里。2)I have lived here since twenty years ago.我在这里住了二十多年了。since last Fridaysince two days agosince 2000Cindy hasnt called me since she wentto London.Attention:1.现在完成时中，如果有since/for出现，其主句的谓语动词通常是延续性动词。2.对since/for引导的状语提问要用how long.3.短暂性动词的否定形式可以和since/for搭配使用。PracticeAt
10、tention：try to notice the adverbs of time.1.Ms.Li has been in hospital _ last week.2.I have stayed at my aunts _ two weeks.3.Ive known her _ we were children.4.She has been away from Xian _ about ten years.5.Its about ten years _ she left the city.6.The old man has worked in this clinic _ 1980.7.I h
11、ave been here _ two oclock ago.sinceforsinceforsincesincesince延续性动词Durational Verbs&短暂性动词Momentary VerbsMomentaryVerbsDurational Verbs延续性动词表示能够延续的动作词，表示经过，经历。常与一段时间连用。短暂性动词也为瞬间动词，表示这种动作发生后就立刻结束。不能跟一段时间连。-Can I borrow your book?-Of course.You can borrow it for a month.keepLearn&Memorize延续性与短暂性动词是可以互换
12、的。转化为其他动词：buy have,borrow keep,become be等；转化为“be+形容词/副词/介词短语”：begin/start be on die be dead finish be over marry be married sleep be asleep return be back arrive be here leave/go be away close/open be closed/open,Attention:当句子中有段时间状语时，一定要把短暂性动词换成延续性动词。T or F?finish/end be overjoin be inopen be opene
13、dbuy haveleave awayborrow keepstart/begin be on marry be marrybe openbe marriedbe awayarrive/come/go to die become a borrow be borrowedLeave/move buy openjoin be joiningstart/begin finish/endcatch a cold get up marry be marry get out close wake up be wakedgo to sleepbecome interested in be in be dea
14、dhavebe away/be out be abe openbe onbe overhave a coldbe upbe outbe closedbe asleep/sleepbe interested inT or F?keepbe in/a member ofbe awakebe marriedhave gone to/have been to/have been in 区别For example:Eddie has been to South Hill many times.It is very nice and he wants to go there again.Attention
15、:has been to+地点表示表示某人曾去过某地某人曾去过某地（现已回来现已回来），），后面常跟次数或者后面常跟次数或者ever等词。等词。have gone to/have been to/have been in 区别Paddington has been to London.Hello,everyone!My name is Paddington Bear.Attention:has been in+地点表示某人一直在某地，常跟段时间状语连用表示某人一直在某地，常跟段时间状语连用。(如果地点是如果地点是here、there省略省略in)Paddington has been in L
16、ondon for a week.have gone to/have been to/have been in 区别Paddington has gone to London.Attention:has gone to+地点表示某人在去某地途中或到了表示某人在去某地途中或到了某地某地(现在还现在还没有回来没有回来)Hello,London!have gone to/have been to/have been in 区别1.-Where is Tom？-He _ England.A.has gone to B.has been to 2.A number of tourists _ Xian
17、many times because it is such a beautiful city.A.have been to B.has been to C.have gone to D.has gone to3.Kate _(be)in Shanghai since 2000.has beenPractice现在完成时&一般过去时PresentPast TensePresent Perfect Tense;而一般过去时，则只讲述发生在过去的动作和事情与现在没有关系。现在完成时和一般过去时都是说过去的事情We _ each other when we were young.Examples(kn
18、ow)have knownknew Examples (see)havesawseenHave -_ you _your bike?-Yes,I _.-When_ you _ it?-I _ it yesterday.Examples (repair)repairedhavedidrepairrepairedDuring 2020s Spring Festival,people in Wuhan faced a serious disaster-new coronavirus.A lot of people have pulled together to fight COVID-19 sinc
19、e two years ago.They are adorable people and need to be respected.Recently we _(read)lots of news about the novel coronavirus(新型冠状病毒).The Chinese government has taken active actions _(protect)its people as well as those around the world.However,there _(be)many more cases outside China since January
20、13.WHO experts _ just _(visit)Wuhan to discuss the issue with the Chinese side.They say our government _ already _(do)a great job in fighting against the novel coronavirus.China will continue working _ WHO.We are sure China will be able to control the outbreak.Even miracles(奇迹)_(take)a little time.A
21、s middle school_(student),we should try our best to protect ourselves.The best way is to stay at home_wash our hands often.If we have to go out,we must _(wear)a mask.Remember we are the one who can fill the world with sunshine.learn .-Where is your sister?-She _ France and she _ Paris for two weeks.
22、A.has been to,has been in B.has gone to,will stay in C.has been in,has been to D.has stayed in,has gone to-This is a really old bike.Yes,I _ it for seven years.A.have had B.have bought C.bought D.have buyIs everyone here today,Jonathan?-No,sir.Mike is absent.He _ for two days.A.has fallen ill B.has
23、been ill C.fell ill D.was illMy father _ in a panda protection center for 10 years,so he knows a lot about panda.A.was working B.is working C.has worked D.will workThe shop in Wanda Square _ for six years,but I _ there so far.A.has opened,havent gone B.has been open,havent been C.has been open,haven
24、t gone D.has been opened,havent been 在科学家们的努力下在科学家们的努力下,中国已经能够制造像中国已经能够制造像C919这样的大飞机。这样的大飞机。With scientists efforts,China has to make big planes like C919.最近天气变冷，我这些天患上了感冒。最近天气变冷，我这些天患上了感冒。The weather is very cold these days.I _ a cold for a few days.have hadbeen able时间标志词时态定义句型结构have gone tohave been tohave been infor/since区别延续动词V.S.瞬间动词1.过去延续到现在的动作；2.过去的事情影响了现在already/ever/yet/just/so far/never/twice等表次数去了未回去了又回待在，停留have/has+V-edhave/has not+V-edHave/Has+主语+V-ed?1.Finish the mind map of Present Perfect Tense.2.Complete exercise in page 69-70T TH HA AN NK KS S
