一般现在时_现在进行时_现在完成时_现在完成进行时.ppt

Unit1 Grammar Overviewoftenses1 presenttenses Presenttensesareusedtotalkaboutthepresenttime Thesetensesinclude simplepresentpresentcontinuouspresentperfectpresentperfectcontinuous weusethesimplepresenttensetotalkaboutthingsthat 1 Iamatacomedyshow 2 Thesunrisesintheeast 3 TheAcademyAwardshowisontelevisioneveryyear 4 Everytimeapropcomediantellsajoke heorsheusesathing calledaprop simplepresent aretruenoworarealwaystrue occurregularly 1这里很少下雪2他喜爱体育运动3太阳从东方升起4他总是乐于助人 1 Itseldomsnowshere 2 Helovessports 3 Thesunrisesintheeast 4 Heisalwaysreadytohelpothers Timemarker usually always seldom often sometimes frequently everyday everyweek onsundays Note1 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 meet rains rains is 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 Note41 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 Thebellisringing Weusethepresentcontinuoustensetotalkaboutactionsthat 1 arehappeningorinprogressnow arebeingplannednow butwillhappeninthefuture 2 happenrepeatedly usedwithalways usuallywithanegativeconnotation presentcontinuous 3 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 timemarker now rightnow atpresent atthepresenttime forthemoment thesedays years 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 Weusethepresentperfecttensetotalkabouthowthepastandpresentareconnected Weuseitfor 1 experiencesthatarerepeated 2 thingsthathappenedinthepast buthaveaneffectonthepresent 3 thingsthatstartedinthepastandarestillhappeningnow presentperfect 1 experiencesthatarerepeated Hehashostedtheshoweighttimes BillCrystalhasbeeninmanyfilmsandtelevisionshows 2 thingsthathappenedinthepast buthaveaneffectonthepresent Doctorshavefoundthatpeoplewholaughalotlivelonger Somestand upcomedianshavebecamefamousastelevisionandfilmactorslateroninlife 3 thingsthatstartedinthepastandarestillhappeningnow Peoplehavealwaysenjoyedlaughing Comedianshavealwaystoldjokesandperformedcomicacts timemarker already never ever just before recently lately yet sofar bynow uptillnow uptothepresent for allthetime since severaltimes Sentencestructures It 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 were haven tseen 3 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 Canyoutellmethetensesofthenexttwosentences 1 Doctorshavebeenresearchingthatquestion 2 Thecurtainsfinallyopen theaudiencehavebeenwaitinganhourfortheshow Weusethepresentperfectcontinuoustensetotalkaboutactionsthatstartedinthepast havelasteduptonowandwillprobablycontinuetohappen presentperfectcontinuous 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 comes ismeasuring haven tfinished moves 5 InthefutureIshalldoasshe say 6 Shewassleeplessmanynights She be verytiredandcan tconcentrateatall Soshedecidestogotoseethedoctor 7 Asthecity have manyentertainingplacestogo wetreatedtheforeignfriendstosomerealChinesefood says hasbeen doesnothave 8 MaLing live inShanghai butshe live inBeijingatthemoment 9 Abigdepartmentstore stand inthecentreofthetown Agirl stand atthegateofthestore 10 I lea