現(xiàn)在完成時教學(xué)設(shè)計全英文版詳解Introduction1.GrammaticalStructureAnalysis1.1FormulationThepresentperfecttenseisconstructedusingtheauxiliaryverb*have*(or*has*forthird-personsingularsubjects)plusthepastparticipleofthemainverb.Affirmative:Subject+have/has+pastparticiple*Example*:*Ihavefinishedmyhomework.**ShehastraveledtoJapan.*Negative:Subject+have/has+not+pastparticiple*Example*:*Wehaven'tmetbefore.**Hehasn'treadthatbook.*Interrogative:Have/Has+subject+pastparticiple?*Example*:*Haveyouseenmykeys?**Hashearrivedyet?*1.2KeyTimeAdverbialsDistincttimemarkerssignaltheuseofpresentperfect,helpinglearnersrecognizecontext:*Example*:*Haveyoueverswumintheocean?*(experience)Duration:*for*(periodoftime),*since*(pointintime)*Example*:*Theyhavelivedherefortenyears.*(period)2.InstructionalObjectives2.1KnowledgeObjectivesRecognizetheformofpresentperfect(affirmative,negative,interrogative).Distinguishtimeadverbialsassociatedwithpresentperfect(e.g.,*ever,for,since*).Understandcoreuses:experience,result,andduration.2.2SkillObjectivesProducegrammaticallycorrectpresentperfectsentencesinspeaking(e.g.,sharingexperiences)andwriting(e.g.,personalnarratives).Differentiatepresentperfectfromsimplepastincontext(e.g.,*“Isawamovie”*vs.*“Ihaveseenthatmovie”*).2.3AffectiveObjectivesBuildconfidenceinusingpresentperfecttoexpresspersonalexperiences.Developcriticalthinkingbyanalyzingcontexttochooseappropriatetenses.3.InstructionalProcedures3.1Warm-up&Lead-in(10mins)ContextualActivation:Displayaphotoofarecentschoolevent(e.g.,asportsday)andask:*“Whathaveyoudonethisweek?Haveyouparticipatedinanyactivities?”*Encouragestudentstoshareusingsimplepastfirst,thenintroducepresentperfectbyhighlightingrelevance(e.g.,*“Ihavejoinedthebasketballteam”*emphasizescurrentmembership).VocabularyLink:Introducekeyverbs(e.g.,*travel,read,meet*)andtheirpastparticiples(e.g.,*traveled,read,met*)throughamatchinggame.3.2Presentation&Explanation(15mins)Form-focusedInput:Useatimelinetoillustratetherelationshipbetweenpastactionsandpresent.Forexample,drawalinewith“now”ontheright:markanaction(e.g.,*“startworking”*at2018)andextendalineto“now”for*“haveworkedsince2018”*.Use-basedAnalysis:*Experience*:*“Ihavevisitedthreecountries.”*(lifeexperience,nospecifictime)*Result*:*“Thecakehasburned.”*(pastactionaffectspresent:cakeisruined)*Duration*:*“Wehavewaitedforanhour.”*(actionstartedinpast,continuesnow)TimeAdverbialPractice:Groupadverbials(*ever,yet,for,since*)andhavestudentsmatchthemtoexamplesentences.3.3GuidedPractice(20mins)SentenceConstruction:Providesubjects,verbs,andadverbials(e.g.,*“you/eatsushi/ever”*)andhavestudentsformpresentperfectsentences.Walkaroundtocorrecterrors(e.g.,*“Haveyouevereatensushi?”*).Role-playInterview:Pairstudentsandgiveprompts:*“Askyourpartnerabouttheirtravel,hobbies,orachievementsusing‘Haveyouever...?’and‘Whathaveyoudone...?’”*Example:*“Haveyoueverclimbedamountain?Whathaveyoulearnedthisyear?”*3.4Production&Application(25mins)WritingTask:Askstudentstowriteashortparagraphtitled*“MyLifeinthePastYear”*,usingatleastthreepresentperfectsentences(e.g.,*“Ihavemadenewfriends,learnedtoplaytheguitar,andtraveledtoanewcity.”*).Real-worldContext:Showatravelblogexcerptwithpresentperfect(e.g.,*“Ihaveexploredancienttemplesandtastedlocalcuisine.”*)andhavestudentswritetheirownblogentryaboutafictionaltrip.3.5Summary&Feedback(10mins)Student-ledRecap:Askvolunteerstosummarizetheformandusesofpresentperfect.4.1ConfusionwithSimplePastError:*“IwenttoParis”*(whenemphasizingexperience:*“IhavebeentoParis”*).4.2Misuseof*for*and*since*Error:*“Ihavewaitedsincetwohours.”*Remediation:Createachart:*for*+period(*foraday*),*since*+point(*sinceMonday*).Practicewithfill-in-the-blanks:*“Shehasstudiedhere___2019(since)/___threeyears(for).”*4.3Subject-VerbAgreementError:*“Hehavefinished.”*Remediation:Drillwiththird-personsubjects:*“Shehas.../Hehas.../Ithas...”*vs.*“I/You/We/Theyhave...”*5.AssessmentMethods5.1FormativeAssessmentObserveparticipationinrole-playandsentenceconstruction.Provideinstantfeedbackonerrorsduringguidedpractice(e.g.,correcting*“have”/“has”*usage).5.2SummativeAssessmentQuiz:Mix-and-match(form,use,adverbials)andshortanswer(writepresentperfectsentencesforgivencontexts).PortfolioTask:Collectstudents’blogentriesorparagraphs,evaluatingaccuracyandcreativityinusingpresentperfect.ConclusionTeachingthepresentperfecttenserequiresbalancingform,use,andcontext.Byintegratingcontextualizedinput,interactivepracti