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Unit6NurturingnatureUsinglanguage教學(xué)設(shè)計(jì)科目:英語課題:Usinglanguage課時(shí):1課時(shí)教學(xué)目標(biāo)與核心素養(yǎng):知識(shí)目標(biāo):Studentscanlearnsomenewwordsandbasicsentencestructures.能力目標(biāo):Studentscangrasptheuseofthepresentperfectcontinuoustenseandpersuasiveexpressions.情感目標(biāo):Studentscanthinkabouthowtoprotectthenaturalenvironmentwhiledevelopingtheeconomy.教學(xué)重難點(diǎn):教學(xué)重點(diǎn):Mastertheuseofthepresentperfectcontinuoustense.教學(xué)難點(diǎn):1.Howtousethepresentperfectcontinuoustense.2.Howtousethekeywordsandphrasesinthesection.課前準(zhǔn)備:多媒體,黑板,粉筆;教學(xué)過程:GreetingLeadingin學(xué)生活動(dòng):DoActivity1onPage86.Lookatthesentencesfromthereadingpassageandanswerthequestions.Whichofthesestatementsaretrueaboutsentence(a)?Wildanimalsstartedusingthesepassagesinthepast.Wildanimalsusedthesepassagesonlyonce.Wildanimalsstillusethesepassagesnow.Whatisthedifferencebetweentheexpressionsinboldinsentences(a)and(b)?(Suggestedanswers:1)、3);Theyaredifferentinformandmeaning.Forsentence(a)theformis"havebeendoing",whileforsentence(b)theformis"havedone"Inmeaning,theboldpartinsentence(a)meanstheactioniscontinuousfromthepast;whiletheboldpartinsentence(b)meanstheactionhappenedonceinthepast.)Presentation1.教師活動(dòng):教師講解:Presentperfectcontinuous現(xiàn)在完成進(jìn)行時(shí)Giveenoughexamplesandguidestudentstosumuptheusagesofpresentperfectcontinuous.Thenaskstudentstogiveexamples.現(xiàn)在完成進(jìn)行時(shí)的構(gòu)成現(xiàn)在完成進(jìn)行時(shí)由“have/hasbeen+動(dòng)詞的現(xiàn)在分詞”構(gòu)成,第三人稱單數(shù)用has,其他人稱用have?,F(xiàn)在完成進(jìn)行時(shí)的用法①表示從過去開始一直持續(xù)到現(xiàn)在的動(dòng)作,該動(dòng)作在說話時(shí)仍在繼續(xù)進(jìn)行,可能還要繼續(xù)下去,也可能剛剛結(jié)束。這個(gè)時(shí)態(tài)常和recently、allday、thisweek等狀語或for、since引導(dǎo)的時(shí)間狀語從句連用。例如:Ihavebeenwritingthelettersincethen.從那時(shí)起我一直在寫這封信。Wehavebeenstudyingfornearly3hours.我們已經(jīng)學(xué)了近3個(gè)小時(shí)了。HehasbeenstudyingtraditionalChinesemedicinesince1999.他從1999年開始學(xué)習(xí)中醫(yī)。Hashebeenstudyinghardsincethenewtermbegan?新學(xué)期開始以來,他一直在努力學(xué)習(xí)嗎?②帶有某種感情色彩:RecentlyLiHuahasbeenhelpinghismotherdohouseworkregularly.(贊許的感情色彩)最近李華經(jīng)常幫他媽媽做家務(wù)。I'mgladthelectureisfinished!I'vebeensittingforthreehours.(強(qiáng)調(diào)坐的時(shí)間長(zhǎng))很高興演講終于結(jié)束了,我已經(jīng)整整坐了三個(gè)小時(shí)了。不能用現(xiàn)在完成進(jìn)行時(shí)的情況①某些不能用于進(jìn)行時(shí)的動(dòng)詞同樣也不能用于現(xiàn)在完成進(jìn)行時(shí),只能用現(xiàn)在完成時(shí)。如:see、hear、know、have、like、be等。他已經(jīng)感冒兩個(gè)星期了(×)Hehasbeenhavingacoldfortwoweeks(√)Hehashadacoldfortwoweeks.②不具有延續(xù)意義的動(dòng)詞,如:finish、e、go、marry等不能用于現(xiàn)在完成進(jìn)行時(shí)?,F(xiàn)在完成時(shí)和現(xiàn)在完成進(jìn)行時(shí)的區(qū)別:①現(xiàn)在完成時(shí)強(qiáng)調(diào)動(dòng)作已經(jīng)完成,但對(duì)現(xiàn)在有影響或其結(jié)果現(xiàn)在仍然存在;而現(xiàn)在完成進(jìn)行時(shí)著意于動(dòng)作本身,是一種持續(xù)的(但不一定是結(jié)束了的)活動(dòng)。IhavewrittenabookonUFO.Itwasfinishedlastyear.我寫了一本關(guān)于UFO的書,這本書是去年寫完的IhavebeenwritingabookonUFO.Ishouldbeabletofinishitearlynextyear.我一直在寫一本關(guān)于UFO的書,我應(yīng)該在明年年初就能寫完。②現(xiàn)在完成時(shí)陳述事實(shí);而現(xiàn)在完成進(jìn)行時(shí)則強(qiáng)調(diào)動(dòng)作在不久以前持續(xù)進(jìn)行的情景,并帶有感情色彩。Myfatherhaslosthiskeys.我父親把鑰匙丟了。(陳述事實(shí))Myfatherhasalwaysbeenlosinghiskeys.我父親老是弄丟自己的鑰匙。(含責(zé)怪或無奈之意)③現(xiàn)在完成時(shí)既可用于狀態(tài)性動(dòng)詞,也可用于動(dòng)作性動(dòng)詞;而現(xiàn)在完成進(jìn)行時(shí)通常只用于動(dòng)作性動(dòng)詞。Ihavehadthisputerfor10years,withwhichIhavewrittenplentyofarticles.我已擁有這臺(tái)電腦10年之久了,并用它寫了大量的文章。Ihavebeenwritingarticleswiththisputerfor10years.10年來我一直用這臺(tái)電腦寫文章。④有少數(shù)動(dòng)詞(如:work、study、liveteach、stay等)在表示持續(xù)一段時(shí)間時(shí)用這兩種時(shí)態(tài)含義差不多,只是用現(xiàn)在完成進(jìn)行時(shí)更強(qiáng)調(diào)動(dòng)作的持續(xù)性?!狧owlonghaveyouworked/beenworkinghere?你在這兒工作多長(zhǎng)時(shí)間了?—Tenyears.10年了。四、practice1.及時(shí)練習(xí):Youshouldgotobed.You_________(watch)TVfor5hours.I_________(write)letterssince6o'clock.I_________(look)forhimeverywhere.Wherecanhebe?三年以來,我們一直學(xué)英語。_________________________sincethreeyearsago.近來他老是說厭倦了自己的工作。_________________________heistiredofhisworkrecently.在過去的幾個(gè)月,西南地區(qū)的人們一直遭受嚴(yán)重旱災(zāi)的影響。Peopleinthesouthwesternareas_________________________inthepastfewmonths.(Suggestedanswers:havebeenwatching;havebeenwriting;havebeenlooking;WehavebeenstudyingEnglish;Hehasbeensaying;havebeensufferingfromseriousdrought)2.DoActivity2onPage86.pletethepassagewiththecorrectformoftheverbsinbrackets.(Suggestedanswers:1havebeenhearing 2hasbeenmaking 3ismoving4havebeenflying 5havebeengiven 6havebeenusing)3.DoActivity3onPage87.Lookatthechartsandmakesentencesusingthepresentperfectcontinuoustense.(Suggestedanswers:①Thenumberoftreeshasbeenincreasinginthelast20years.②Desertareashavebeenreducinginthelast20years.③Butterflypopulationhasbeenincreasing/hasbeenbeinglargerandlargerinthelast20years.)4.DoActivity4onPage87.Workinpairs.Talkabouthowtheenvironmentwhereyoulivehaschanged.Usethepresentperfectcontinuoustensewhereappropriate.五、Production1.Tourismandtheenvironment.Readtheshortpassage.Ecotourismisatypeoftourismthatconservestheenvironment.Itencouragespeopletoberesponsibletravellersandinvolveseducatingthemaboutthenaturalworld.ForcountriessuchasCostaRica,KenyaandNepal,ecotourismisanimportantpartoftheeconomy.Someecotourismholidaysinvolvevoluntarywork.Suchasplantingtreesorcountingendangeredanimals.2.DoActivity5onPage87.Listentotheconversationandchoosetheplacementioned.(Suggestedanswers:bc)3.DoActivity6onPage88.(1)Listenagainandpletethenotes.(Suggestedanswers:1hikeinthemountains 2count 3hardwork 4elephants5lieonthebeach 6anicehotel 7aonedaybiketour)(2)Workinpairs.Discusswhattypeoftravelyouprefer.4.DoActivity7onPage88.pletetheboxeswiththeexpressionsfromtheconversation.(Suggestedanswers:Persuadingothers:Thefactisthat...Wouldn'tyouagreethat...?Iagree,mising:Let'sfindapromise.Let'smeetinthemiddle.Asapromise,…)5.DoActivity8onPage89.(1)pletethepassagewiththeexpressionsinthebox.(2)Listentothepassageandcheckyouranswers.(Suggestedanswers:1createopportunitiesfornewbusinesses 2helpthelocaleconomy3notecofriendly 4disturbthewildlife 5providemorejobs 6useupnaturalresources 7highercarbonemissions)6.DoActivity9onPage89.pletetheboxeswiththeexpressionsinActivity8.(Suggestedanswers:Advantages:attractingmoretouristscreatingopportunitiesfornewbusinesseshelpingthelocaleconomyprovidingmorejobsforpeoplelivinginthearea補(bǔ)充:raisingawarenessofprotectinglocalwildlifeprovidinglocalswithachancetoexperienceothercultures…Disadvantages:notecofriendlydisturbingthewildlifeusingupnaturalresourceshighercarbonemissions補(bǔ)充:pollutinginsh
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