最新M4-新Grammar-外研社必修一第四单元教学讲义ppt.ppt

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1、M4-新Grammar-外研社必修一第四单元I’veseenquitealotofChinaandI’vevisitedsomebeautifulcities.It’sbeensixyearssincewelastsaweachother.ThisisthefirsttimeI’vevisitedyourhometown.现在完成时(Presentperfecttense)构成：___________________have/has+过去分词现在完成时1.现在完成时的基本用法：1）表示动作发生在过去，但结

2、果影响到现在，和一些表示不确定的时间状语连用，如just,already,yet,ever,recently,sofar等连用。eg._________________________________________我已经学会了使用计算机了。（“学计算机”是过去发生的动作，对现在的影响是“我已学会了使用计算机”）Ihavealreadylearnedhowtouseacomputer.【跟踪练习】1.用括号内动词适当形式填空。1）We____________(know)eachothersincefive

3、yearsago.2）--Howlong______you_______(work)asanurse?--SinceI__________(graduate)fromcollegein2014.3)--Maryseemstohaveafever.--Don’tworry.I___________(send)foradoctorandheisontheway.haveknowngraduatedworkedhavehavesent4)He_____(leave)hishometown5yearsagoand

4、noone_________(see)himeversince.5)WhenIwasinTokyo,I_______(study)Japanesefor2years.lefthasseenstudied2.语法填空：YesterdayI_______(arrive)atthesmallcity—myhometownwhereI______(grow)up.It__________(be)15yearssinceI____(leave)heretogoabroad.Thisisthefirsttimetha

5、tmydaughter___________(visit)here.Sheisveryexcitedandshesaysthisisthemostattractiveplaceshe________(be)to.Greatchanges_________(take)placehereinthelast15years.Icanhardlyrecognizethecity.Manyhigh-risebuildings____________(put)up.Therearesomegreatshoppingma

6、lls.Much___mydelight,IcanseethemiddleschoolwhereI_____(use)tostudy.Ilovemyhometown.arrivedgrewis/hasbeenlefthasvisitedhasbeenhavetakenhavebeenputtousedThisisthefirsttimethatmydaughterhasvisitedhere.这是我女儿第一次来这儿参观。用于现在完成时的句型:This/Itisthe+_______+________tha

7、t…表示这是某人第几次....（如果is为过去时was，则从句用过去完成时。）Itwasthethirdtimethattheboy_________late.这是这个男孩第三次迟到了。序数词timehadbeen2.语法填空：YesterdayI_______(arrive)atthesmallcity—myhometownwhereI______(grow)up.It__________(be)15yearssinceI____(leave)heretogoabroad.Thisisthefirstt

8、imethatmydaughter___________(visit)here.Sheisveryexcitedandshesaysthisisthemostattractiveplaceshe________(be)to.Greatchanges_________(take)placehereinthelast15years.Icanhardlyrecognizethecity.Manyhigh-risebuildings_