英语人教版八年级下册Unit8SectionA（1).ppt

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1、Unit8HaveyoureadTreasureIslandyet?滦县第三中学陈小娜Unit8HaveyoureadTreasureIslandyet?SectionA1a~2dn.珠宝；财富n.岛满是……的；(有)大量的；(有)丰富的n.经典作品；名著n.(书刊或纸张的)页，面，张v.匆忙；赶快赶快；急忙(做某事)adj.预期；预定treasureislandfullofclassicpagehurryhurryupdueWordsandexpressionsPresentPerfectTense现在完成时态这两个句子是什么时态？分别表达什么意义？1.Ilentmyb

2、ooktoJohnthismorning.2.Myunclelivedinthatstreetin2012.以下的表达有什么不同？1.IhavejustlentmybooktoJohn.(Idon’thavethebooknow.)2.Myunclehaslivedinthatstreetsincehecametothiscity.(Hebegantolivetheremanyyearsago,helivestherenowandhewillgoonlivingthere.)这种表示动作发生在过去，但过去的动作产生的影响或结果现在还存在的句子，用现在完成时来表达。二、现在

3、完成时的构成1.Jackhasgonetothecinema.2.Theyhavefinishedtheirhomework.助动词have/has＋过去分词Jackhasn’tgonetothecinema.HasJackgonetothecinema?Yes,hehas./No,hehasn’t.Havetheyfinishedtheirhomework?Yes,theyhave./No,theyhaven’t.Theyhaven’tfinishedtheirhomework.过去式、过去分词(1)一般动词，在词尾直接加“ed”。work---worked---wor

4、ked(2)以“e”结尾的动词，只在词尾加“d”。live---lived---lived(3)以“辅音字母+y”结尾的动词，将“y”变为“i”，再加“ed”。study---studied---studied(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”。drop---dropped--dropped规则变化过去式、过去分词不规则变化A.过去分词与过去式形式一样have—had—hadspend—spent—spentmake—made—madesay—said—saidfind—found—foundhear—heard—heardmeet

5、—met—metleave—left—left过去式、过去分词不规则变化B.过去分词与过去式形式不一样take—took—takenspeak—spoke—spokensing—sang—sungdrive—drove—drivenbe—was/were—beengo—went—gone过去式、过去分词不规则变化C.过去分词、过去式与动词原形一样cut—cut—cutput—put—putlet—let—letread—read—read三、现在完成时的用法1.表示过去发生或已经完成的某一动作对现在造成的影响或结果。-Haveyouhadyourlunchyet?-Yes

6、,Ihave.Ihavejusthadit.(现在不饿了。)Ihavealreadypostedthephotos.(照片已不在我这里了)MarywithhisfamilyhasneverbeentoChinabefore.-Havetheyeverheardofthestory?-No,notyet.Adverbsoftimebefore,以前bynow(sofar),到目前为止once,twice…,just,刚刚recently最近yet(否/疑),还already(肯定句),已经ever,曾经，never,从不Exercises:一、按要求变化下列各句。1.She

7、hasalreadylistenedtoapieceofforeignmusic.（否定句）2.Ihavegotsomethingimportanttodo.（一般疑问句）3.Haveyouevertraveledonatrain?（否定回答）Shehasn’tlistenedtoapieceofforeignmusicyet.Haveyougotanythingimportanttodo？No,Ihaven't.4.Hefinishedreadingastory-bookyesterday.（改成现在完成时）5.LiLeih