牛津译林版8B Unit1 Gramma (共PPT).ppt

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1、Presentperfecttense现在完成时态1pastpresentEddiehaslivedwithMilliesincehewasborn.EddiehaslivedwithMillieforfouryears.pastpresent4yearsEddiewasbornfouryearsago.一.现在完成时的含义表示过去已完成的动作对现在产生的影响，常与“already、ever、just、never、recently、yet”等连用；Wehavejustfinishedthereport.Hehasnotre

2、turnedthebooktomeyet.HehasnevervisitedtheGreatWall.表示过去发生动作持续到现在，常与“since、for”连用。IhavelivedheresinceIwasborn.Shehasbeenillforthreemonths.二、现在完成时的构成WehavelivedinBeijingsincewewereborn.Hehasalreadyhadhislunch.Ihavejustfinishedmyhomework.2.现在完成时的否定句1.现在完成时的肯定句句型主语（第一

3、、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句型主语+have/has+not+过去分词+……Ihavenotseenthemovieyet.Hehasn’tbeentoBeijingsincethen.Shehasn’teatenit.Theyhaven’tfinishedthework.3.现在完成时的一般疑问句句型Have/Has+主语+过去分词+….Haveyoufinishedthework?Hasshearrivedhere?Havetheyeatensup

4、per?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?Howlonghaveyouknowneachother?Whathaveyoufinishedrecently?Yes,…have/has.No,…haven’t/hasn’t.Yes,Ihave./No,Ihaven’t.Yes,shehas./No,shehasn’t.Yes,theyhave./No,theyhaven’t.Exercise对划线部分提

5、问ThegirlhaslearnedEnglishfor6years.Ihaveeatentwoapplesforbreakfast.HowlonghasthegirllearnedEnglish?Whathaveyoueatenforbreakfast?1.Shehasalreadycleanedthekitchen.(改为否定句)→She__________cleanedthekitchen___________.2.TheyhavevisitedsomeinterestingplacesinChina.(改为一般疑问

6、句)→___________they________________________interestingplacesinChina?3.Thepoordoghasdied.(改为一般疑问句并作否定回答）→_________thepoordog_________?-No,it__________.4.Theyhaveborrowedtenbooksfromthelibrary.(对划线部分提问)→__________________books__________they_________fromthelibrary?5.I

7、haveeverbeentotheGreatWall.(改为否定句)I________________beentotheGreatWall.6.Theyhavestudiedheresincetheymovedtothecity.(对划线部分提问)_______________________________they_________here?hasn’tyetHavevisitedanyHasdiedhasn’tHowmanyhaveborrowedhaveneverHowlonghavestudied三、过去分词的构成

8、原形过去分词原形过去分词travelvisitmovestopstayfinishownshoplearnrepairtravelledmovedstayedownedlearnedvisitedstoppedfinishedshoppedrepairedA.规则动词的过去分词与过去式一致B.不规则动词