英语人教版八年级下册Unit 8 Section A 3

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1、Unit8SectionA(GrammarFocus4a-4c)Step1ReviewandLead-inAguessinggameaboutthefollowingsentences.Ihaven’treadityet.Sandy,haveyoufinishedthereaderyet?3.HaveyoureadLittleWomenyet?4.I’vealreadyreadit.5.I’vejustfinishedOliverTwistand…6.Haveyouheardofthemyet?7.HasTinareadTreasureIsland?8.

2、Steve,haveyoudecidedyetwhichbooktowriteaboutforEnglishclass?9.I’vealreadyfinishedreadingit!10.Haveyouatleastreadthebackofthebooktoseewhatit’sabout?11.ButI’vefoundtheshipandmadeasmallboat.12.I’vebroughtbackmanythingsIcanuse.13.AlthoughIhavelosteverything,Ihavenotlostmylife.14.Ihav

3、ealreadycutdowntreesandbuiltahouse.15.HeissmartandIhavealreadytaughthimsomeEnglish.Choosethebestanswers.1.Both his parents look sad.Maybethey____what happened tohim.A.knew B. haveknown  C. mustknow  D.willknow2.Thefamouswriter____onenewbookinthepasttwoyears.　A.is writing   B.was 

4、writing   C.wrote D.has written3.—Ourcountry_____alotsofar.　—Yes.Ihopeitwillbeeven____.A.has changed;well  B. changed;goodC.has changed;betterD. changed;better4.—WhatareyougoingtodothisSunday?—I_____yet.(绍兴市)A.won’tdecideB.didn’tdecideC.haven’tdecidedD.don’tdecide5.-__you___your 

5、homework yet?-Yes.I____ it a moment ago.A. Did;do;finished   B. Have;done;finished　C. Have;done;have finished  D. will;do;finish6.HarryPotterisaverynicefilm.I____ittwice.A.willseeB.haveseenC.sawD.seeStep2Do4aonpage60andchecktheanswers.Step3现在完成时用法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

6、.–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。e.g.Ihaven’tseenherthesedays.I’veknownBobforthreeyears.I’vebeenatthisschoolforovertwoyears.时间状语already,yet,just,ever,never,before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

7、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。(注：例子中单词的变化顺序为：动词原形→动词的过去式 →动词的过去分词)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→phoned3.以“辅音字母+y”结尾的动词，变y为i，再加

8、-ed。如：study→studied→studied;hurry→hurrie