八年级英语下册 unit 1 past and present grammar 1教案二 牛津版

《八年级英语下册 unit 1 past and present grammar 1教案二 牛津版》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Period5GrammarI(Presentperfecttense)Teachinggoals●Tolearnthespellingofthepastparticiplesofverbs●Torecognizecontextsfortheuseofthepresentperfecttense●Tousethepresentperfecttensetotalkabouteventsthatstartsinthepastandareconnectedtothepresent●Tounderstandadverbsoftimeandusethemwi

2、ththepresentperfecttenseTeachingproceduresStep1LearningaboutthepresentperfecttenseHereisabriefreviewoftheformandfunctionofthepresentperfecttense.Thepresentperfectisusedwhenthetimeperiodhasnotfinished:Ihaveseenthreemoviesthisweek.(Thisweekhasnotfinishedyet.)Thepresentperfectiso

3、ftenusedwhenthetimeisnotmentioned:Gerryhasfailedhisexamagain.Thepresentperfectisoftenusedwhenthetimeisrecent:IkukohasjustarrivedinVictoria.Thepresentperfectisoftenusedwithforandsince.Greghaslivedherefor20years.Greghaslivedheresince1978.Thepresentperfectisformedlikethis:haveplu

4、spastparticipleStep2HavingarevisionWhatdidyoudolastnight?Whatdidyourmotherdotwoweeksago?Whatdidyoufatherdolastyear?Workinpairstotalkaboutthethingtheydidinthepast.Step3DoingpracticeEddiewasbornfouryearsagopastpresentWeusethesimplepasttensetotalkaboutwhathappenedatadefinitetimei

5、nthepast.EddiehaslivedwithMilliesincehewasborn.EddiehasliveswithMillieforfouryears.pastpresentWeusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandarecontinuedtothepresent.WehaveknownthatHobowasveryangry,becauseEddiehaseatenhisfood.(Eddieatethefoodinthepastandnow

6、Hobodoesnothaveanythingtoeat.)Wealsousethepresentperfecttensetotalkaboutthingsthathappenedinthepastandhaveconnectionwiththepresent.Step4ArrivingataconclusionWemakepositivestatementsandnegativestatementsusingthepresentperfecttenselikethis:have/has(+not)+PastparticipleWeusuallyu

7、setheseformswhenwespeak:hasn’t=hasnot,haven’t=havenotLookupthepastparticiplesinthedictionaryifnecessary.Thereisalsoatableofirregularverbsonpage112.Weaskandanswerquestionsusingthepresentperfecttenselikethis.HaveI/you/we/theyarrived?Yes,I/you/we/theyhave.No,I/you/we/theyhaven’t/

8、havenot.Hashe/she/itarrived?Yes,he/she/ithas.No,he/she/ithasn