一般现在时-现在进行时-现在完成时-现在完成进行时课件

Unit1

Grammar

Overviewoftenses1:presenttensesPresenttensesareusedtotalkaboutthepresenttime.Thesetensesinclude:

simplepresentpresentcontinuouspresentperfectpresentperfectcontinuousweusethesimplepresenttensetotalkaboutthingsthat:

1.Iamatacomedyshow.2.Thesunrisesintheeast.3.TheAcademyAwardshowisontelevisioneveryyear.4.Everytimeapropcomediantellsajoke,heorsheusesathing,calledaprop.simplepresentaretruenoworarealwaystrue.occurregularlyTimemarker:

usually;always;seldom;often;sometimes;frequently;everyday;everyweek;onsundaysNote1:1.Heisalwaysmakingtrouble.2.Heisconstantlyleavinghisthingsabout.3.Youarealwayschangingyourmind.Eg.他总是想着别人Heisalwaysthinkingofothers.Note21.It’llbealongtimebeforewe______(meet)again.2.Evenifit______(rain)tomorrow,we’llgo.3.I’llcallonyouunlessit______(rain)tomorrow.4.I’llstaywithyousolongasthere_______(be)isaroomfree.meetrainsrainsis

在时间，条件，让步,方式状语从句中，用一般现在时代替一般将来时，现在完成时，代替将来完成时

eg.公共汽车未停稳，别下车。Don’tgetoffthebusuntilithasstopped.Note31.Theplanetakesoffat10a.m.tomorrow.2.WeleaveforBeijingnextweek.3.Thefilmstartsat7p.m.thisevening4.Mybirthdayisintwoweek’stime.表按照安排，计划或时刻表，用一般现在时代替一般将来时Eg.早班车7点Theearlybusleavesat7a.m.Note4

1.Look!Herecomesthebus!2.Theregoesthebell!

在here/there引导的倒装句中，用一般现在时代替现在进行时1.=Thebusiscominghere.2.=Thebellisringing3.Youlooklovelywhenyouaresmiling.1看！猴子正在爬树。2你的学习进展如何？3你笑时很可爱1.Look!Themonkeyisclimbingthetree.2.Howareyougettingonwithyourstudy?Note11.Howmanyofyouarecomingtothepartytonight?2.AforeignerisgivingalectureinEnglishthisafternoon.1表位置移动的动词可用进行时表将来时。2表预计将要发生的事情也可用进行时表将来时1.experiencesthatarerepeated

①Hehashostedtheshoweighttimes.②BillCrystalhasbeeninmanyfilmsandtelevisionshows.

2.thingsthathappenedinthepast,buthaveaneffectonthepresent

①Doctorshavefoundthatpeoplewholaughalotlivelonger!②Somestand-upcomedianshavebecamefamousastelevisionandfilmactorslateroninlife.

3.thingsthatstartedinthepastandarestillhappeningnow.

①Peoplehavealwaysenjoyedlaughing.②Comedianshavealwaystoldjokesandperformedcomicacts.

timemarker:

----already;never;ever;just;before;recently;lately;yet;sofar;bynow;uptillnow;uptothepresent;for;allthetime;since;severaltimesSentencestructuresIt’sthefirst/second…timethat+现在完成时这是我第三次给你们讲这个语法点It’sthethirdtimethatIhaveexplainedthelanguagepoint.=Ihaveexplainedthelanguagepointsthreetimessofar.1.Inthepastthere_________(be)notreesinoraroundthevillage.2.Inthepastthreeweeks,I___________(notsee)him.werehaven’tseen3.我读完这本书后将给出我的观点I’llgivemyopinionafterIhavefinishedreadingthebook.Correctthefollowingsentences:1.HehasarrivedinChinafor5years.been￣↘2.Hehasjoinedthearmyfor5years.￣↘beenin更多资源

Finishthesentencesbywritingthecorrectformsoftenses.

1.Iwilltellherwhenhe______(come)tomorrow.2.She___________(measure)thehall.(她正在测量大厅)3.I____________(notfinish)readingthebookyet,soIcan’treturnittothelibrary.4.Theearth______(move)roundthesun.

Exercise1:comesismeasuringhaven’tfinishedmoves5.InthefutureIshalldoasshe______.(say)6.Shewassleeplessmanynights.She__________(be)verytiredandcan’tconcentrateat