2019春八年级英语下册 Unit 8 Have you read Treasure Island

Unit8HaveyoureadTreasureIslandyet?Unit1What’sthematter?现在完成时(一)现在完成时表示过去发生的动作对现在造成的影响或结果,也可以表示从过去某一时间开始,一直持续到现在的动作或状态。常与already“已经”,just“刚刚”,ever“曾经”,never“从不”,before“以前”,yet“仍然”等连用。1.现在完成时的结构。肯定句主语+have/has+动词的过去分词+其他。例如:IhavebeenamemberoftheEnglishclub.我一直是英语俱乐部的成员。否定句主语+have/has+not+动词的过去分词+其他。例如:Ihavenotheardfromhimyet.我还没收到他的来信。一般疑问句和简略回答Have/Has+主语+动词的过去分词+其他?回答:Yes,主语+have/has./No,主语+have/hasnot.例如:—HaveyoueverbeentoBeijing?你曾去过北京吗?—Yes,Ihave.是的,我去过。/No,Ihaven’t.不,我没去过。2.already与yet在现在完成时中的用法。alreadyadv.已经;早已通常用于肯定句中,一般用于have/has后,实义动词前,也可放在句尾。例如:Ihavealreadyhadbreakfast.我已经吃过早饭了。yetadv.还;已经用于否定句和疑问句中,一般用在句末。例如:Ihaven’tdonemyhomeworkyet.我还没有做作业。3.一般过去时与现在完成时的区别。(1)一般过去时表示过去某时发生的动作或单纯叙述过去的事情;现在完成时强调过去的动作对现在造成的影响或结果。例如:Isawthisfilmyesterday.我昨天看了这部电影。Ihaveseenthisfilm.这部电影我已经看过了。(2)一般过去时常与表示具体的过去时间的状语(如yesterday,lastweek,threedaysago,in1990等)连用;现在完成时不与表示明确的过去时间的状语连用,但可以与inthepast...years/weeks,sofar等时间状语连用。例如:Tomwrotealettertohisparentslastnight.昨晚汤姆给他父母写了一封信。Theweatherhasbeensohotsofarthissummer.到目前为止,今年夏天天气一直很热。Ⅰ.根据句意用所给词的适当形式填空1.Ihavealreadyhadlunch.Ihaditat11:30.(have)2.—Haveyouwrittentoyourparentsyet?—Yes,Iwrotetothemlastnight.(write)3.—Howcleantheclassroomis!—Yes,I’msurethatsomeonehascleaned(clean)it.4.Jerrystarted(start)towritetheletteryesterday,buthehasn’tfinished(notfinish)ityet.5.Mr.Brownhastaught(teach)AmyFrenchforamonth,butshestillcan’tspeakFrenchwell.Ⅱ.单项填空(C)1.—Howlongyourbrotherthiscamera?—Fortwoweeks.A.have;boughtB.have;hadC.has;hadD.has;bought(A)2.—Look,thelightisstilloninHelen’soffice.—Maybesheherworkyet.A.hasn’tfinishedB.won’tfinishC.doesn’tfinishD.didn’tfinish(D)3.ItheHistoryMuseumtwice.I’velearnedalotthere.A.visitB.amvisitingC.willvisitD.havevisited(C)4.—Hasshefinishedherhomeworkyet?—.Shefinishedittenminutesago.A.No,shehasB.Yes,shedoesC.Yes,shehasD.No,shehasn’t(B)5.Paulawaspleasedthatsheherlostwatchyesterday.A.findsB.foundC.hasfoundD.willfindⅢ.按要求完成句子,每空一词1.Myfatherhaslivedheresince2000.(对画线部分提问)Howlonghasyourfatherlivedthere?2.Theyboughtthebooktwohoursago.(对画线部分提问)Whendidtheybuythebook?3.Nancyhasalreadyhadbreakfast.(改为否定句)Nancyhasn’thadbreakfastyet.4.MissGreenstartedtoteachusinourhometowntwoyearsago.(改为同义句)MissGreenhastaughtusinourhometownfortwoyears.5.Juliahasnotgothomefromschoolyet.(改为肯定句)Juliahasalreadygothomefromschool.