Unit6NurturingnatureUsinglanguage教案-2023-2024學年高中英語選擇性

Unit6NurturingnatureUsinglanguage教學設計科目：英語課題：Usinglanguage課時：1課時教學目標與核心素養(yǎng)：知識目標：Studentscanlearnsomenewwordsandbasicsentencestructures.能力目標：Studentscangrasptheuseofthepresentperfectcontinuoustenseandpersuasiveexpressions.情感目標：Studentscanthinkabouthowtoprotectthenaturalenvironmentwhiledevelopingtheeconomy.教學重難點：教學重點：Mastertheuseofthepresentperfectcontinuoustense.教學難點：1.Howtousethepresentperfectcontinuoustense.2.Howtousethekeywordsandphrasesinthesection.課前準備：多媒體，黑板，粉筆；教學過程：GreetingLeadingin學生活動：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：教師講解：Presentperfectcontinuous現(xiàn)在完成進行時Giveenoughexamplesandguidestudentstosumuptheusagesofpresentperfectcontinuous.Thenaskstudentstogiveexamples.現(xiàn)在完成進行時的構成現(xiàn)在完成進行時由“have/hasbeen+動詞的現(xiàn)在分詞”構成，第三人稱單數(shù)用has，其他人稱用have?，F(xiàn)在完成進行時的用法①表示從過去開始一直持續(xù)到現(xiàn)在的動作，該動作在說話時仍在繼續(xù)進行，可能還要繼續(xù)下去，也可能剛剛結束。這個時態(tài)常和recently、allday、thisweek等狀語或for、since引導的時間狀語從句連用。例如：Ihavebeenwritingthelettersincethen.從那時起我一直在寫這封信。Wehavebeenstudyingfornearly3hours.我們已經(jīng)學了近3個小時了。HehasbeenstudyingtraditionalChinesemedicinesince1999.他從1999年開始學習中醫(yī)。Hashebeenstudyinghardsincethenewtermbegan?新學期開始以來,他一直在努力學習嗎？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。I'mgladthelectureisfinished!I'vebeensittingforthreehours.(強調坐的時間長)很高興演講終于結束了，我已經(jīng)整整坐了三個小時了。不能用現(xiàn)在完成進行時的情況①某些不能用于進行時的動詞同樣也不能用于現(xiàn)在完成進行時，只能用現(xiàn)在完成時。如：see、hear、know、have、like、be等。他已經(jīng)感冒兩個星期了(×)Hehasbeenhavingacoldfortwoweeks(√)Hehashadacoldfortwoweeks.②不具有延續(xù)意義的動詞，如:finish、e、go、marry等不能用于現(xiàn)在完成進行時?，F(xiàn)在完成時和現(xiàn)在完成進行時的區(qū)別：①現(xiàn)在完成時強調動作已經(jīng)完成，但對現(xiàn)在有影響或其結果現(xiàn)在仍然存在；而現(xiàn)在完成進行時著意于動作本身，是一種持續(xù)的(但不一定是結束了的)活動。IhavewrittenabookonUFO.Itwasfinishedlastyear.我寫了一本關于UFO的書，這本書是去年寫完的IhavebeenwritingabookonUFO.Ishouldbeabletofinishitearlynextyear.我一直在寫一本關于UFO的書，我應該在明年年初就能寫完。②現(xiàn)在完成時陳述事實；而現(xiàn)在完成進行時則強調動作在不久以前持續(xù)進行的情景,并帶有感情色彩。Myfatherhaslosthiskeys.我父親把鑰匙丟了。(陳述事實)Myfatherhasalwaysbeenlosinghiskeys.我父親老是弄丟自己的鑰匙。(含責怪或無奈之意)③現(xiàn)在完成時既可用于狀態(tài)性動詞，也可用于動作性動詞；而現(xiàn)在完成進行時通常只用于動作性動詞。Ihavehadthisputerfor10years,withwhichIhavewrittenplentyofarticles.我已擁有這臺電腦10年之久了，并用它寫了大量的文章。Ihavebeenwritingarticleswiththisputerfor10years.10年來我一直用這臺電腦寫文章。④有少數(shù)動詞(如：work、study、liveteach、stay等)在表示持續(xù)一段時間時用這兩種時態(tài)含義差不多，只是用現(xiàn)在完成進行時更強調動作的持續(xù)性?！狧owlonghaveyouworked/beenworkinghere?你在這兒工作多長時間了？—Tenyears.10年了。四、practice1.及時練習：Youshouldgotobed.You_________(watch)TVfor5hours.I_________(write)letterssince6o'clock.I_________(look)forhimeverywhere.Wherecanhebe?三年以來，我們一直學英語。_________________________sincethreeyearsago.近來他老是說厭倦了自己的工作。_________________________heistiredofhisworkrecently.在過去的幾個月，西南地區(qū)的人們一直遭受嚴重旱災的影響。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補充：raisingawarenessofprotectinglocalwildlifeprovidinglocalswithachancetoexperienceothercultures…Disadvantages:notecofriendlydisturbingthewildlifeusingupnaturalresourceshighercarbonemissions補充:pollutinginsh