牛津8BUnit1PastandPresentGrammar(A)课件.ppt

8BUnit1PastandPresent Grammar A Learningaims 1 Toknowthepresentperfecttense 2 TomasterthestructureofthePPT 3 Tolearnthedifferencesbetweenthesimplepasttenseandthepresentperfecttense 1QuestionsaboutReading 1 HowlonghasMr ChenlivedinSunshineTown 2 WhendidMr Chengetmarried 3 Therehavebeenmanychangesinthistown Whathasthecentreoftownbecome 4 HowdoesMr Chenfeelfromtimetotime HehaslivedinSunshineTownsincehewasborn In1965 Ithasbecomeanewpark Hefeelsabitlonely Somemorequestions 1 Howlonghaveyoulivedinthistown 2 Howlonghaveyoustudiedinthisschool 3 HowlonghaveyoustudiedEnglish 4 Wherehaveyoubeenrecently ThePresentPerfectTense 现在完成时态 ThePresentPerfectTense Weusethesimplepasttensetotalkaboutwhathappenedatadefinitetimeinthepast PastpresentEddiewasbornfouryearsago Weusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandstillhavesomeconnectionwiththepresent EddiehaslivedwithMilliesincehewasborn EddiehaslivedwithMillieforfouryears present Past Past present 4years 一 现在完成时的构成1 现在完成时的肯定句句型主语 第一 二人称单 复数 have主语 第三人称复数 have 过去分词主语 第三人称单数 has WehavelivedinBeijing HehaslivedinBeijing Ihavefinishedmyhomework 2 现在完成时的否定句句型主语 have has not 过去分词 E g 1 Ihavenotseenthemovieyet 2 Hehasn tbeentoBeijingsincethen 动词规则变化 1 大多数动词 edfinishfinishedvisitrepair2 以e结尾的动词 dchangechangedlivemove3 以辅音字母 y结尾 y iedcarrycarriedtrystudy4 有些动词双写最后一个字母 edstopstoppedfitplan 不规则过去分词的构成 上一页 下一页 ABB AAA ABC MakingsentencesMr Wuasksthestudentstocompletethesentencesbelowusingthepresentperfecttense Helpthemcompletethesentences They finish theirhomework Mr AndMrs Li notcome backyet John play thiscomputergameafewtimes We notsee thatfilmyetMrDong repair overtenbicyclesincelastMonday You notvisit meforalongtime havefinished haven tcome hasplayed havenotseen Hasrepaired havenotvisited Checktheanswers 3 现在完成时的一般疑问句句型Have Has 主语 过去分词 Haveyoufinishedthework Hasshearrivedhere 4 现在完成时的特殊疑问句句型特殊疑问词 have has 主语 过去分词 HowmanytimeshaveyoubeentotheGreatWall Actthedialogueout 用括号中动词的适当形式填空He wait foranhour I notfinish theworkyet you know himsincethen I hear frommyfatherrecently We be theremanytimesinthepast3years Thedog die since3daysago They finish theworksofar Howlongyou stay athomealready haswaited haven tfinished Have known haveheard havebeen hasbeendead havefinished have stayed Practice 9 I notread thebookbefore 10 Hejust do it 11 Mysister walk toschooleverydaylastyear 12 We have anexamagainsometimenextweek 13 By2000 we plant 2000trees 14 Lucy go toSha