Book 2_U1_课件课时5-Grammar and usage 1.ppt

牛津高中英语 模块二 高一上学期 AdvancewithEnglish Grammarandusage 板块 教学设计 课件 Unit 1 PresentperfecttensePresentperfectcontinuoustense Unit1 课件描述 本课件总结了现在完成时和现在完成进行时的用法 并设计了一些练习题帮助学生巩固对这两种时态的掌握 Presentperfecttense Step1Lead inGooverthenewsstoryonPage2andfindthesentencesusingthepresentperfecttense Pleaseexplainwhythetenseisusedinthesesentences ThedisappearanceofJustin make Kellyveryunhappy hasmade 1 Weusethepresentperfecttensetotalkaboutthingsthathappenedintherecentpast butareconnectedtothepresent Step2Points1 6 I notsee JustinsincelastFridaynight havenotseen 2 Wealsousethepresentperfecttensetotalkaboutsomethingthatstartedinthepast andisstillhappeningnow 3 Weusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant Weuseitwithtimeexpressionssuchas alreadyeverforjustlatelyneverrecentlysinceyet Exercise completethefollowingsentenceswiththepropertense 1 We study Englishforaboutfiveyears 2 They live inthesouthsincetheirdaughterwasborn 3 I read yourarticlethreetimes It swellwritten 4 Thestudent finish herhomeworkalready 5 Eric just go backtohishometown havestudied havelived haveread havefinished hasgone Weusealreadyforaffirmativestatementsandyetfornegativestatements Weusefor aperiodoftimeandsince apointintime 4 Weusethepresentperfecttensetotalkaboutactionsthatwerecompletedonlyashorttimeago Thepolicehavejustfinishedsearchingtheareas 5 Wecanalsousethepresentperfecttenseforrepeatedactions thatis weusethepresentperfecttensewiththetimeexpressionsonce twice threetimes 6 Form have has thepastparticipleoftheverb Step3Readthediaryentryandthencompleteitusingthecorrectformsoftheverbsinbrackets Answers 2 saw 3 hasvisited 4 loves 5 hasn tvisited 6 hasswum 7 hasnevermet 8 hasdived 9 hasfound 10 hasn tfound 11 Has been Presentperfectcontinuoustense 1 Form have hasbeen thepresentparticipleoftheverb 2 Weusethepresentperfectcontinuoustensetotalkaboutactionsthatstartedinthepastandarestillcontinuing IhavenotbeensleepingwellsinceIreturnedhome Past Present notbeingabletosleepwell Ireturnedhome I mstillnotsleepingwell 3 Wealsousethepresentperfectcontinuoustensetotalkaboutactionsthathavejustfinishedbutarestillconnectedtothepresentinsomeway Kelly SorryI mlate Haveyoubeenwaitinglong Mavis Yes I vebeenwaitingforanhour past OnehouragoPresent MavisstartedwaitingforKelly Kellyarrives havebeenobserving havebeentalking havebeentaking haveseen havebeenwriting 1990 present Cropcirclesaresointeresting 1990 present Cropcirclesaresointeres