2026春牛津译林版英语八年级下册Unit 1 Grammar（同步课件）

Pastandpresent牛津译林版

八年级下册

Unit1GrammarGrammar现在完成时1.三个定义2.四个句型3.N个时间标志词4.两个时间标志词的区别5.两个时态的区别6.N个动词过去分词不规则变化影响持续几次肯定句一般疑问句现在完成时一般过去时①just②since特殊疑问句否定句③for④ever⑤recently⑥overtheyearsAAAAABABBABCABA⑦before⑧never⑨uptonow⑩already⑪yet⑫sofarforsincePart1NewWordspastadj.过去的WordsMeaningUsageFormsyetadv.还，仍recentlyadv.近来，最近现在完成时三个定义(了解)四个句型N个时间标志词(常考)一般现在时和现在完成时的区别肯定句(必考)否定句(常考)一般疑问句（常考）特殊疑问句（了解）持续影响两个时间标志词的区别N个动词过去分词不规则变化几次三个定义1.过去的动作对现在的影响（好的/不好的影响）2.过去的动作持续到现在3.某个动作已经做过了几次作业按时按质量完成了（得到了老师的夸奖）作业在写了，但是还没写完同一个英语作业做了三遍。Part2Eddie,haveyouseenmyfood?see-saw-seenHave主语过去分词...?Has主语过去分词...?have+主语+动词过去分词，have在句首表现在完成时一般疑问句,这时候have为助动词，无意义一般疑问句谓语谓语Yes,I’vejusteatenit.You’vechanged,Eddie.主语have过去分词...主语has过去分词...肯定句和一般疑问句：主语和have/has就能互相转换eat-ate-eaten肯定句谓语Eddie,haveyouseenmyfood?Have主语过去分词...?Has主语过去分词...?特殊疑问句谓语谓语特殊疑问词WhatWhereWhenWhoGrammarnotYes,I’vejusteatenit.Youhavechanged,Eddie.主语have过去分词...主语has过去分词...否定句谓语’venot=haven’t；hasnot=hasn’tnotn’tGrammarjustYes,I’vejusteatenit.You’vechanged,Eddie.主语have过去分词...主语has过去分词...eat-ate-eaten时间标志词谓语标志词：可在have和过去分词之间，也可以在句中其他位置；时间一般在句尾或者句首Ihavetogotoschoolbybike.Wehavefinishedourhomework.Shehasabeautifulgift.Tonyhasseenthisbookthreetimes.谓语谓语谓语谓语Part3Hasthetownchangedalotovertheyears?We'velivedinthisareasincethen.l'velivedheresinceIwasborn.l'vejust

eatenit.Haveyouevermovedhouse?just,

ever,since,sincethen,overtheyears,before,yet,recently

标志词一般在done前，时间一般在句末现在完成时1.三个定义2.四个句型3.N个时间标志词4.两个时间标志词的区别5.两个时态的区别6.N个动词过去分词不规则变化影响持续几次肯定句一般疑问句现在完成时一般过去时①just②since特殊疑问句否定句③for④everRevision⑤recently⑥overtheyearsAAAAABABBABCABA⑦before⑧never⑨uptonow⑩already⑪yet⑫sofarforsincePart4两个时间标志词Grammarsinceforsince+...years/days/months/weeksagosince+一般过去时since+过去年份/月份/星期/过去时间点for+一段时间反向思维：只要不是

一段时间，用since两个时间标志词GrammarsinceforWe'velivedheresince1994.I'vedonenothingmuchsincethismorning.HehadbeenaprofessionalsinceMarch1985.It'syearssincewelastmet.He'sbeenthereeversinceyouleft!Koranhasmaintaineditsoriginalformsince14centuriesago.TulliohasbeenmodellingforSandraforelevenyears.Wehavestayedthereforseveraldays.IhavestudiedEnglishforalongtime.Part5结构时态区别Grammar助动词时间标志词was/were/v.edhave/has+donedidhave/hasago,last...,yesterday,thedaybeforeyesterday,inthepast,justnow(表时间点)already,yet,since,for,recently,overtheyears,sofar(目前),just(表一段时间)Starlighttownwasbeautifulinthepast.时态区别GrammarHaveyoufoundanyInformationforourhistoryproject?MyfamilyandIvisitedstarlighttownabout10yearsago.Didpeopleliveinflats?Whendidyoulastseeeachother?Ididn’tgoanywherethedaybeforeyesterday.Whathaveyoudone？

Wehaven’tseeneachothersincethen.一般过去时一般过去时现在完成时一般过去时一般过去时现在完成时现在完成时一般过去时现在完成时1.三个定义2.四个句型3.N个时间标志词4.两个时间标志词的区别5.两个时态的区别6.N个动词过去分词不规则变化影响持续几次肯定句一般疑问句现在完成时一般过去时①just②since特殊疑问句否定句③for④everRevision⑤recently⑥overtheyearsAAAAABABBABCABA⑦before⑧never⑨uptonow⑩already⑪yet⑫sofarforsincePart6过去分词Grammar10个AAAbetbetbetcostcostcosthithithithurthurthurtletletlet过去分词Grammar10个AAAputputputreadreadreadsetsetsetshutshutshutspreadspreadspread过去分词Grammar1个AABbeat beatbeaten过去分词Grammar3个ABAbecomebecamebecomecomecamecomerunranrunburnburntburnt过去分词Grammar5个ABB——原形加d/tdreamdreamtdreamthearheardheardlearnlearntlearntmeanmeantmeantbuildbuiltbuilt过去分词Grammar4个ABB——原形加d→tlendlentlentsendsentsentspendspentspent现在完成时1.三个定义2.四个句型3.N个时间标志词4.两个时间标志词的区别5.两个时态的区别6.N个动词过去分词不规则变化影响持续几次肯定句一般疑问句现在完成时一般过去时①just②since特殊疑问句否定句③for④everRevision⑤recently⑥overtheyearsAAAAABABBABCABA⑦before⑧never⑨uptonow⑩alr