牛津译林版八年级英语下册教学课件 Unit 2 Grammar 微视频课件

现在完成时与一般过去时比较PresentPerfectTenseVSSimplePastTense现在完成时与一般过去时比较PresentPerfectT一般过去时washungryjustnowmovedherein2008

nowIwashungryjustnow.Imovedherein2008.一般过去时用于表达过去存在的状态或发生的动作。一般过去时washungrymovedhereno

现在完成时

movedherein2008stilllivehere

nowIhavelivedheresince2008/for6years.用法一：表示动作或状态开始于过去并一直持续到现在。

现在完成时

movedherestilllive

现在完成时

hadbreakfastjustnownothungry

nowIhavejusthadbreakfast.用法二：表示动作发生与过去，但对现在造成影响或有所联系。

现在完成时

hadbreakfastnothung现在完成时

readthisbookmanytimes

nowIhavereadthisbookmanytimessofar.用法三：表示动作到目前为止发生的次数。现在完成时

readthisbooknowIhave

构成不同：一般过去时动词：v过去式现在完成时动词构成:

have/has

+v过去分词

助动词不同点TomwenttoLondonlastyear.eg.LilyhasbeentoLondontwice.助动词不同点TomwenttoLondonlast2.概念不同：一般过去时：强调动作发生在过去某一时间，与现在不发生联系.现在完成时：强调的不是事情本身，而是事情与现在保持的某种密切联系（如现在的结果，影响,一直延续到现在到现在发生的次数等）.2.概念不同：一般过去时：强调动作发生在过去某一时间，与现在eg：HehasboughtanEnglish-Chinese

dictionary.他买了一本英汉字典。

HeboughtanEnglish-Chinesedictionary.他曾买过一本英汉字典。eg：Hehaslivedinthecityformanyyears.他在城里住了很久。

Helivedinthecityformanyyears.

他曾在城里住过很久。eg：HehasboughtanEnglish-Ch

3.时间状语不同：一般过去时：与具体的时间状语连用.yesterday,once,lastweek,...ago,in1980,inOctober,justnow等现在完成时：与模糊的时间状语连用，或无时间状语.for,since,already,yet,ever,never,just,recently,uptonow,thesedays,inthepastfewyears,sofar等

3.时间状语不同：一般过去时：与具体的时间状语连用.Hedidn’twritetheletterlastnight.Look!Therainhasstopped.Wecangooutandplay.Changzhouhaschangedalotinthepastfewyears.Thetrainhasalreadyleft.Itleft10minutesago.readthesentencesHedidn’twritetheletterlasTomhasmadealotoffriendssincehecametoChinalastyear.Haveyoufoundyourlostticketyet?Whathashappened?Thewindowisbrokennow.WhenIwasachild,Idreamedtobeateacher.TomhasmadealotoffriendsFinishthedialouge:A：I____________(notsee)Georgesincehe__________(leave)thisschoolayearago.______youever_______(see)himagain?B：Yes,Ihave.I________(meet)himafewdaysago.A：Where_______you_______(meet)him?B：I_______(meet)himinthemuseum.HewaslookingatsomepaintingswhenI________(see)him.We________(say)hellotoeachother.haven’tseenleftHaveseenmetdidmeetmetsawsaidFinishthedialouge:haven’tse动词填空1)______Wuxi________(change)alotsince2000?2)Millie__________(know)Eddiefortenyears.3)Bob___________(forget)tobringhiskeylastMonday.4)It___________(rain)heavilyfortwodays.5)I______________(noteat)lunch.I’mhungry.Has

changedhas

knownforgothas

rainedhaven’t

eaten动词填空Haschangedhaskno6)

_____yourmother_______(stay)inChangzhousinceshewasseven?7)

He___________(notclean)theroomthismorning.8)

______she________(live)hereinthepast?9)

Thebus____________(stop).Let’sgetoffquicky.10)

LiuXiang____________(be)interestedinrunningsincehe________(be)young.Hasstayeddidn’tcleanDidlivehasstoppedhasbeenwas6)

_____yourmother_______(

1.---Where__you__(put)thebook?Ican'tseeitanywhere.

---I___(put)itrighthere.Butnowit'sgone.A.did;put;putB.have;put;putC.did;put;haveputD.have;put;haveput2.Wehaven'theardfromJaneforalongtime.Whatdoyouthink_______toher?A.washappeningB.happensC.hashappenedD.happened3.Hello,I____youwereinLondon.Howlong_____here?A.don'tknow;wereyouB.hadn'tknown;areyouC.haven'tknown;areD.didn'tknow;haveyoubeenBCDFurtherexercises:1.---Where__you__(put)tWellbegunishalfdone!好的开始是成功的一半！Wellbegunishalfdone!好的开始是成现在完成时与一般过去时比较PresentPerfectTenseVSSimplePastTense现在完成时与一般过去时比较PresentPerfectT一般过去时washungryjustnowmovedherein2008

nowIwashungryjustnow.Imovedherein2008.一般过去时用于表达过去存在的状态或发生的动作。一般过去时washungrymovedhereno

现在完成时

movedherein2008stilllivehere

nowIhavelivedheresince2008/for6years.用法一：表示动作或状态开始于过去并一直持续到现在。

现在完成时

movedherestilllive

现在完成时

hadbreakfastjustnownothungry

nowIhavejusthadbreakfast.用法二：表示动作发生与过去，但对现在造成影响或有所联系。

现在完成时

hadbreakfastnothung现在完成时

readthisbookmanytimes

nowIhavereadthisbookmanytimessofar.用法三：表示动作到目前为止发生的次数。现在完成时

readthisbooknowIhave

构成不同：一般过去时动词：v过去式现在完成时动词构成:

have/has

+v过去分词

助动词不同点TomwenttoLondonlastyear.eg.LilyhasbeentoLondontwice.助动词不同点TomwenttoLondonlast2.概念不同：一般过去时：强调动作发生在过去某一时间，与现在不发生联系.现在完成时：强调的不是事情本身，而是事情与现在保持的某种密切联系（如现在的结果，影响,一直延续到现在到现在发生的次数等）.2.概念不同：一般过去时：强调动作发生在过去某一时间，与现在eg：HehasboughtanEnglish-Chinese

dictionary.他买了一本英汉字典。

HeboughtanEnglish-Chinesedictionary.他曾买过一本英汉字典。eg：Hehaslivedinthecityformanyyears.他在城里住了很久。

Helivedinthecityformanyyears.

他曾在城里住过很久。eg：HehasboughtanEnglish-Ch

3.时间状语不同：一般过去时：与具体的时间状语连用.yesterday,once,lastweek,...ago,in1980,inOctober,justnow等现在完成时：与模糊的时间状语连用，或无时间状语.for,since,already,yet,ever,never,just,recently,uptonow,thesedays,inthepastfewyears,sofar等

3.时间状语不同：一般过去时：与具体的时间状语连用.Hedidn’twritetheletterlastnight.Look!Therainhasstopped.Wecangooutandplay.Changzhouhaschangedalotinthepastfewyears.Thetrainhasalreadyleft.Itleft10minutesago.readthesentencesHedidn’twritetheletterlasTomhasmadealotoffriendssincehecametoChinalastyear.Haveyoufoundyourlostticketyet?Whathashappened?Thewindowisbrokennow.WhenIwasachild,Idreamedtobeateacher.TomhasmadealotoffriendsFinishthedialouge:A：I____________(notsee)Georgesincehe__________(leave)thisschoolayearago.______youever_______(see)himagain?B：Yes,Ihave.I________(meet)himafewdaysago.A：Where_______you_______(meet)him?B：I_______(meet)himinthemuseum.HewaslookingatsomepaintingswhenI________(see)him.We________(say)hellotoeachother.haven’tseenleftHaveseenmetdidmeetmetsawsaidFinishthedialouge:haven’tse动词填空1)______Wuxi________(change)alotsince2000?2)Millie__________(know)Eddiefortenyears.3)Bob___________(forget)tobringhiskeylastMonday.4)It___________(rain)heavilyfortwodays.5)I______________(noteat)lunch.I’mhungry.Has

changedhas

knownforgothas

rainedhaven’t

eaten动词填空Haschangedhaskno6)

_____yourmother_______(stay)inChangzhousinceshewasseven?7)

He___________(notclean)theroomthismorning.8)

______she________(live)hereinthepast?9)

Thebus____________(stop).Let’sgetoffquicky.10)

LiuXiang____________(be)interestedinrunningsincehe________(be)young.Hasstayeddidn’tcleanDid