Unit 8 Section A Grammar Focus-4c精品课件(人教新目标八下英语)
pptx
2022-05-26 10:00:05
32页
SectionAGrammarFocus-4c\nObjectivesTolearnthepresentperfecttensewith“already”and“yet”.Tolearnsomenewwords:fiction,technology,French…\nGrammarFocusHaveyoureadLittleWomenyet?Yes,Ihave./No,Ihaven’t.HasTinareadTreasureIslandyet?Yes,shehas.Shethinksit’sfantastic.Haveyoudecidedwhichbooktowriteaboutyet?Yes,Ihave.I’vealreadyfinishedreadingit.Itwasreallygood.\n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。e.g.–Haveyouhadyourlunchyet?–Yes,Ihave.I’vejusthadit.(现在我不饿了。)2.表示动作或状态从过去某一时刻开始,一直延续到现在,而且可能还要继续下去。现在完成时\ne.g.Ihaven’tseenherthesedays.I’veknownBobforthreeyears.I’vebeenatthisschoolforovertwoyears.时间状语:already,yet,just,ever,never,before\n构成:现在完成时是由“助动词have/has+动词的过去分词”构成的,规则动词的过去分词构成与过去式相同,不规则动词的过去分词则需逐个记忆。动词的过去式的变化和过去分词的变化并不完全相同。我们对它们作了一个大致的分类。\n一、过去式和过去分词的变化相同规则变化:1.一般在动词词尾直接加ed。如:pick→picked→picked;wish→wished→wished;stay→stayed→stayed2.以不发音的e结尾的动词后面加d。如:like→liked→liked;hope→hoped→hoped;phone→phoned→phoned\n3.以“辅音字母+y”结尾的动词,变y为i,再加-ed。如:study→studied→studied;hurry→hurried→hurried;reply→replied→replied4.词尾只有一个辅音字母的重读闭音节动词,要双写辅音字母,再加-ed。如:stop→stopped→stopped;clap→clapped→clapped\n不规则变化:5.以不变应万变。如:let→let→let;put→put→put;read→read→read6.若中间有双写e,则去掉一个e,单词末尾再加t。如:feel→felt→felt;keep→kept→kept;sleep→slept→slept\n7.末尾的字母d变t。如:lend→lent→lent;build→built→built;send→sent→sent8.变为以-ought或-aught结尾。如:buy→bought→bought;bring→brought→brought;catch→caught→caught;teach→taught→taught\n句式1.肯定句:主语+have/has+过去分词(+其他)2.否定句:主语+have/has+not+过去分词(+其他)3.一般疑问句:have/has+主语+过去分词(+其他)4.特殊疑问句:特殊疑问词(不是句子主语)+have/has+主语+过去分词(+其他)2)特殊疑问词(是句子主语)+have/has+过去分词(+其他)\nalready意为“已经”,常用于肯定句中。一般置于助动词have/has之后,过去分词之前,但也可放在句末。e.g.我已经看过这部电影了。Ihavealreadyseenthefilm.我已经解决了这个问题。Ihavealreadysolvedthisproblem.我已经做完家庭作业了。Ihavefinishedmyhomeworkalready.现在完成时--与already连用\nyet,在现在完成时句型中常置于句末。1)“已经”,常用在疑问句中。e.g.琳达已看过这本书了吗?HasLindareadthebookyet?你完成家庭作业了吗?Haveyoufinishedyourhomeworkyet?2)“还,仍然”,常用于否定句和疑问句。e.g.他还未开始工作。Hehasnotbeguntoworkyet.现在完成时--与yet连用\njust意为“刚刚”,常用于肯定句中。一般置于助动词have/has之后,过去分词之前。e.g.我刚吃过午饭。Ihavejustfinishedlunch.我们刚刚听说她的婚讯。Wehavejustheardofhermarriage.现在完成时--与just连用\n同学们要注意现在完成时与一般过去时的区别。虽然这两个时态都和过去发生的事情有关,但是现在完成时强调这一动作与现在的关系,如对现在产生的结果、影响等,而一般过去时只表示过去的事实,不表示和现在的关系。如:现在完成时与一般过去时\nIwenthomeat10:00yesterday.Ihavegothomenow.我昨天十点回家的。现在我已经到家了。Ihavealreadyfinishedmyhomework.我已经写完家庭作业了。Ifinishedmyhomeworkanhourago.我一个小时之前写完了家庭作业。\n活学活用1.Writetheformsofthepasttenseandpastparticiple:drink____________see____________find____________leave____________tell____________drankdrunksawseenfoundfoundleftlefttoldtold\n2.Choosetherightanswer.—WhyisMr.Yangstillintheteachers’office?—Maybehe________hisworkyet.A.doesn’tfinishB.hasn’tfinishedC.haven’tfinishedB\n1.A:Wouldyoulikesomethingtodrink?B:No,thanks.______________________.(just/drinksometea)2.A:Iheardyoulostyourkey.__________________?(find)B:No,notyet.3.A:DoyouknowwhenTomisleaving?B:___________________.(already/leave)Usethewordsinbracketstocompletetheconversations.I’vejustdrunksometeaHaveyoufoundityetHehasalreadyleft4a\nA:When_________________?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._________________________.(already/seethefilm)5.A:Whatdoyourparentsthinkaboutourplan?B:I____________________.(not/tellthem/yet)didheleaveShehasalreadyseenthefilmhavenottoldthemyet\nSally_______(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She_____already______(read)morethan100differentbooks!Herfavoritekindofbooksissciencefiction.SheisinterestedinscienceandtechnologyandlovestoimagineFillintheblankswiththecorrectformsofthewordsinbrackets.loveshasread4b\nwhattheworld_______(be)likein50years.She__________(finish)readingabookaboutrobotslastweekand_____________(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_____________(notread)yetandshecan’twaittoreadthem!willbefinishedwillwritehasnotread\nCompletethechartwithinformationaboutyouandafriend.A:Whatbookshaveyoualreadyread?B:I’vealreadyreadTomSawyerandHarryPotter.A:Whatdoyouthinkofthem?B:Well,IthinkHarryPotterwasexciting,butTomSawyerwasabitboring.4c\nYouYourfriendCommentsBooksIhavealreadyreadMoviesIhavealreadyseenSongsIhavealreadyheardPairWork\nⅠ.单选。1.—DoyouknowthemovieLostinThailand?—Yes.I______ittwice.It’sfunny.A.sawB.seeC.willseeD.haveseen2.—Lunch?—No,thanks.I______.A.willeatB.ameatingC.haveeatenDCExercises\n3.—Ourcountry_____alotsofar.—Yes.Ihopeitwillbeeven____.A.has changed;wellB. changed;goodC.has changed;betterD. changed;better4.—WhatareyougoingtodothisSunday?—I_____yet.A.won’tdecideB.didn’tdecideC.haven’tdecidedD.don’tdecideCC\n6.I______thebookLittleWoman,butI’llletyoureaditfirst.A.haven’treadB.don’treadC.won’tread5.—Wherearetheflowers?—Yousee,someone_______themtothewindow.A.movesB.hasmovedC.hadmovedD.wouldmoveBA\nExcuseme.Haveyou_____(see)mydictionary?Haveyou______(find)yourwalletyet?I____already_______(finish)myhomework.Let’sgoout._____you_____(read)today’snewspaperyet?Ⅱ.根据所给单词的适当形式填空。seenfoundhavefinishedHaveread\n1.我已经读完了这本科幻小说。2.我上个月参加了读书俱乐部,并已读了五本书。Ⅲ.翻译下列句子。Ihavealreadyfinishedreadingthesciencefiction.IjoinedthebookclublastmonthandIhavereadfivebooksalready.\n3.托尼昨天买了一盘流行音乐CD,但他还没听。4.汤姆还没有看过那部新电影。5.Jim已经完成了他的家庭作业,现在空闲了。TonyboughtapopmusicCDyesterdaybuthehasn’tlistenedtoityet.Tomhasn’tseenthenewfilmyet.Jimhasfinisheddoinghishomeworkalready.Heisfreenow.\nU8S-—ThedramaseriesTheThunder(破冰行动)hitsscreensthesedays.—Oh.Whatapity!I_______anyofthemyet.A.doesn'twatchB.didn'twatchC.won'twatchD.haven'twatched中考链接D\nReviewthenewwordsandexpressions.2.Makesentencesusingthepresentperfecttensewith“already”and“yet”.(atleast10sentences)Homework