英语人教版八年级下册Unit 8 Section A Grammar focus.ppt

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1、TheThirdPeriodSectionAGrammarFocus孝南区陡岗中学Unit8HaveyoureadTreasureIslandyet?Reviewarriveontheislandbringbackgiveupgrowfruitandvegetablesabrokenshipnotlongafterthatsomecannibalsnamesb.到达这个岛上带回来放弃种水果和蔬菜一艘破的船在那后不久一些食人肉者给某人取名PresentationFillintheblanksacc

2、ordingtotheChinesemeaning.1.A:你读过《小妇人》吗？B:我读过。/我没读过。A:________you________LittleWomenyet?B:Yes，I________./No,I__________.2.A:Tina读过《金银岛》吗？B:她读了。她认为它棒极了。A:______Tina______TreasureIslandyet?B:Yes,__________.Shethinksit’s___________.Hasreadfantasticsheha

3、sHavehaven’treadhave3.A：你确定写哪本书了吗？B:我已经确定了。我已经读完了它。它真的很棒。A:______you_________whichbook__________________yet?B:Yes,Ihave.I’ve__________________readingit.Itwasreallygood.HavedecidedtowritealreadyfinishedaboutGrammarThePresentPerfectTense(现在完成时态)1.现在完成时

4、的构成:（1）现在完成时是由助动词“have(has)+动词的过去分词”构成；肯定形式：have/has+done否定形式：have/has+not+done一般疑问句：have或has放于句首（2）助动词说明该谓语是属于现在时范围，它和主语的人称、数要保持一致；（3）过去分词是主要的谓语动词，说明句子的意义。动词的过去分词的变化规律:A.原形与过去式和过去分词完全相同cost–cost–costcut–cut–cutput–put–putB.过去式与过去分词完全相同bring–brought–

5、broughtthink–thought–thoughtget–got–gotsell–sold–soldC.原型与过去分词相同come–came–comerun–ran–runbecome–became–becomeD.原形,过去式和过去分词完全不同begin–began–begundrink–drank–drunkring–rang–rungE.没有过去分词的动词can–couldmay–mightshall–shouldwill–would2.现在完成时的用法：现在完成时表示过去某时发生的

6、行为对主语目前产生的影响，即用过去发生的某个行为来说明现在的某种情况。Wearegoodfriends.(现在的情况）Iknewhimin1997.（过去的动作）Wehaveknowneachothersince1997.（现在完成时把过去的动作和现在联系起来并着眼于现在）（1）表示动作发生在过去某个不确定的时间，但对现在留下了某种影响和结果，常被just、already、yet等副词修饰。如：–Haveyouhadlunchyet?–Yes,Ihave.I‘vejusthadit.你（已经）吃

7、午饭了吗？我刚刚吃过。（现在我不饿了）用already或yet填空：–Havetheytakendowntheoldpictures______?–No,not_____.Mostofushave_________finishedourcompositions.3)Hesaidhehadn’tvisitedtheexhibition______.Practiceyetyetalreadyyet4a:Usethewordsinbracketstocompletetheconversation.1.

8、A:Wouldyoulikesomethingtodrink?B:No,thanks.______________________.(just/drinksometea)2.A:Iheardyoulostyourkey.____________________?(find)B:No,notyet.3.A:DoyouknowwhenTomisleaving?B:____________________.(already/leave)A:When______________?(leave)B:Thi