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1、初三英語現(xiàn)在完成時(shí)知識(shí)精講一.本周教學(xué)內(nèi)容：現(xiàn)在完成時(shí)構(gòu)成：肯定式：主語+have/has+過去分詞否定式：主語+haven’t/hasn’t+過去分詞疑問式：have/has+主語+過去分詞肯定回答：yes,主語+have/has否定回答：no,主語+haven’t/hasn’t常用副詞：just,already,yet,ever,neverTomhasjusthadashower.Katehasalreadyhadashower.Jackhasn’thadashoweryet.Haveyouhadashoweryet?Haveyoueverusedacomputer?No,Iha
2、ven’t.Ihaveneverusedone.It’sthemostbeautifulbuildingI’veeverseen.Ihavenevermetakindman.時(shí)間狀語：since,forsince+時(shí)間點(diǎn)：單詞：Tuesday,2000短語：eleveno’clock,twodaysago,lastyear句子：thedaytheygotmarriedfor+時(shí)間段（fiveminutes,anhour,threedays,severalweeks,sixmonths,ayear,alongtime）IhavebeeninGradeNineforaboutayear.
3、HehaslivedinCanadasince1998.HowlonghaveyoubeeninGradeNine?HowlonghashelivedinCanada?have(has)beento“曾經(jīng)去過某地”，表示現(xiàn)在已經(jīng)不在那里了。have(has)goneto“到某地去了”，表示到了某地或正在去某地的途中。1.I’ve____toBeijingthreetimes.2.WhereisTom?Hehas____tothebookshop.非延續(xù)性動(dòng)詞不能和since,for連用，要換成相應(yīng)的延續(xù)性動(dòng)詞。come→becometo→bein/atleave→beawaybegi
4、n/start→beonstop→beoverborrow→keepopen→beopenclose→beclosedjoin→beanumberof/indie→bedeadbecome→befallill→beillbuy→havegoout→beoutgettoknow→knowmarry→bemarriedend/finish→beover練習(xí)：按要求轉(zhuǎn)換下列各句1.Hehasfoundnothingintheroom.（改為一般疑問句）_____hefound____intheroom?2.Ihavealreadyfinishedthework.（改為否定句）I_____f
5、inishedthework_____.3.Shehasgotanotebook.（對(duì)劃線部分提問）__________shegot?4.They’veneverlearnedJapanese,________?（反意疑問句）5.Shehaskeptthebook[sincelastmonth].（括號(hào)部分提問）________hasshekeptthebook?形容詞比較級(jí)的用法1.as+原級(jí)+asnotas/so+原級(jí)+asYouareastallasI.Heisn’tascleverasTom.2.比較級(jí)+thanYouaretwoyearsolderthanI.Whichco
6、ntinentislarger,AfricaorAsia?3.比較級(jí)+and+比較級(jí)Thewindisblowingharderandharder.4.the+比較級(jí)，the+比較級(jí)Thesooner，thebetter.5.much,alittle,even,still,alot,abitWhydon’tyoudoitalittleearlier?6.the+最高級(jí)TheYangtzeRiveristhelongestriverinChina.Whichisthelargest,thesun,theearth,orthemoon?練習(xí)：（一）把下列句子變成現(xiàn)在完成時(shí)1.LiLeij
7、oinedthearmytwoyearsago.2.Theyborrowedthebookslastweek.3.Wegottoknoweachothertenyearsago.4.Ibecameastudentnineyearsago.5.Thefilmbeganfiveminutesago.（二）漢譯英1.我母親和她母親一樣蒼老。2.我想你不如我跑得快。3.他越來越認(rèn)真了。4.俄語比英語難得多。5.蜜蜂，蝴蝶和蚊子，哪個(gè)最?。浚ù痤}時(shí)間：15分鐘）I.
