-Ifellilltwodaysago.-Soyou’ve________illfortwodays.-Isawthedoctorthreedaysago.-Soyouhaven’t_____herinthelastthreedays.-I’llwalktoschoolforthefirsttimetomorrow.-Soyou’venever_______toschoolbefore.been/feltseenwalked-Icameintohospitaltwodaysago.-Soyou’vealready____inhospitalfortwodays?-Howlong_____you____aheadache?-Oh,itbeganabouttwohoursago.beenhavehad现在完成时当表示动作已经完成并对现在有一定影响时,我们一般用现在充成时。同时,可分别用just,already或yet加以强调或说明。其结构也是:have/has+动词的过去分词.常用的时间状语有:already,just,一般置于have/has之后,用于肯定句中;在否定句中则要用yet表示“还,未”。Grammar1.Ihaven’tdonemuchexercise______Igotmycomputerlastyear.2.Ihavehadthedog_____threemonthsnow.3._______then,ithasbecomepartofmylife.4.Ihavebeenlikethis_______Friday.5.Wehaveplayedfootball______ayearnow.forsinceSince用for或since填空。sinceforfor和since在现在完成时中的应用for与since都能与现在完成时连用,但区别较大:(1)for后须接“时间段”HehasstudiedEnglishforfiveyears.他学英语5年了。(2)since后须接“时间点”HehasstudiedEnglishsince1999.他从1999年开始学英语。(3)二者可以转换for+一段时间=since+一段时间+agoHehasbeenhereforfiveweeks.=Hehasbeenheresincefiveweeksago.他到这儿已经有五个星期了。如:HehastaughtheresincehecametoChina.自从他来到中国就在这儿教
书
关于书的成语关于读书的排比句社区图书漂流公约怎么写关于读书的小报汉书pdf
。Wehavebeenfriendssincewemetinschool.我们从在学校见面起就成为了好朋友。(4)since能引导时间状语从句(主句用现在完成时,从句用一般过去时),而for则不能。(5)均须与延续性动词连用,也可以与非延续性动词的否定式连用。如:Ihaveboughtthiscomputersincefouryearsago.(×)Ihavehadthiscomputersincefouryearsago.(√)Ihaven’tboughtanythingfortwomonths.(√)非延续性动词和延续性动词的转换leave—beawayborrow—keepbuy—havedie—bedeadopensth.—keepsth.openTheoldmandied4yearsago.—Theoldmanhasbeendeadfor4years.HejoinedtheParty2yearsago.—HehasbeeninthePartyfor2years.Iboughtthebook5daysago.—Ihavehadthebookfor5days.例如:(6)二者引出的时间状语往往用howlong提问。—Howlonghaveyouhadthisbook?这本书你买多久了?—Foraweek./Sinceaweekago.买一周了。1.Howlonghaveyouhadyourbike?--Howlonghaveyouhadyourbike?--I’vehaditforabouttwoyears.2.Howlonghaveyoustudiedatthisschool?3.HowlonghaveyoustudiedEnglish?4.Howlonghaveyouknownyourbestfriend?5.Howlonghaveyoulivedinthisplace?6.Howlonghaveyouusedthisbook?根据汉语意思填空。I_____________tomyhomework______Ileftitlastyear.自从我去年离开我的家乡,我还没有回去过。We_______thesebooks_______twoweeks.我们借了这些书已经两个星期了。_________,hehasbecomemoreandmorefamous.从那时起,他变得越来越有名。haven’treturnedsincehavekeptforSincethenDoctor:(1)_____________________________Bill:Well,I’vegotapaininmyback.Doctor:(2)______________________________Bill:Forabouttwoweeks.Doctor:Letmehavealook.Wheredoyouwork?Bill:Iworkinanoffice.Doctor:Doyouplaycomputergames?Bill:Yes,alot.Iusuallyplaycomputergameslateatnight.CanIhelpyou?Howlonghaveyoubeenlikethis?That’sit.What’swrongwithme?CanIhelpyou?Howlonghaveyoubeenlikethis?Doctor:(3)_____________________________Bill:(4)_____________________________Doctor:Well,youspendtoomuchtimeinfrontofthecomputer.Bill:WhatcanIdo?Doctor:Standupanddosomeexercisefromtimetotime.Don’tplaycomputergamestoomuch.CanIhelpyou?Howlonghaveyoubeenlikethis?That’sit.What’swrongwithme?That’sit.What’swrongwithme?ForalongtimeJohndidnotfeel(1)______.Heoftenhad(2)_______andcolds.Hewenttoseeadoctor.Thedoctortoldhimtotakemore(3)_______andstopeating(4)_______.Sohestartedridingabiketoschool.Atfirst,hefelttiredand(5)______.Thenhegotfitterandstartedenjoyingit.Sincehestartedridingabike,hehasnothada(n)(6)____andhehasnothada(n)(7)____________sincehestoppedeatingfastfood.exerciseweakfastfoodcoughswellcoldstomachachecoldcoughsexercisefastfoodstomachacheweakwell1.-Howlonghaveyouhadyourbike?-________Saturday.A.ForB.SinceC.ThenD.About2.-_______haveyouusedthisbook?-Sinceyoulentittome.A.HowB.WhatC.Howlong3.Ihave_______fortwodays.Iwanttoaskfortwodays’leave.A.illB.beenillC.feelill4.Iknowit’snot____towatchTVandeatfastfood.A.healthyB.healthC.illnessBCBA1.SamcametoBeihaiin2002.He__________herefornineyears.【2011广西北海】A.livesB.waslivingC.haslivedD.willlive2.-HaveyouevervisitedGermany?-____________.ButIexpecttogothereagain.【2011云南昆明】 A.PerhapsB.No,Ihaven’t C.Idon’tknowD.Yes,IhaveCD3.Mr.Whitecametoourschoolin2008,andsincethenhe______usEnglish.【2011江苏盐城】A.teachesB.taughtC.hastaughtD.willteach4.Jim_________inZhuzhousincehefinishedhiscollege.【2011湖南株洲】A.worksB.isworkingC.hasworkedCC近20年来各方面调查表明青少年体质的下降令人担忧。请你以HowtoKeepHealthy为
题
快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题
,写一篇60-80词的短文,说说你的看法和建议。
要求
对教师党员的评价套管和固井爆破片与爆破装置仓库管理基本要求三甲医院都需要复审吗
:主要包括以下
内容
财务内部控制制度的内容财务内部控制制度的内容人员招聘与配置的内容项目成本控制的内容消防安全演练内容
,可以适当发挥。开头已给出,不计入总词数。1.体质下降的原因,如:havetoomuchhomework,eattoomuchjunkfood2.合理的健康建议,如:someusefuladvice,shoulddomoreexercise,eatabalanceddiet(饮食平衡),enoughsleep…HowtoKeepHealthyNowadaysstudents’physicalfitnessisdeclining(体质下降)yearbyyear.Ithinktherearesomereasons.___________________________________________________________________HowtoKeepHealthyNowadaysstudents’physicalfitnessisdeclining(体质下降)yearbyyear.Ithinktherearesomereasons.Studentshavetoomuchhomeworktodo,sotheyhavelittletimetohavesports.Somestudentseattoomuchjunkfood.That’salsobadfortheirhealth.Then,howtokeephealthy?Hereissomeusefuladvice.First,studentsshoulddomoreexercise.Second,studentsshouldeatabalanceddiet.Theyshouldeatmorevegetablesandfruit,andtrytoeatlessjunkfood.Finally,enoughsleepisalsoveryimportant.