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DearMissXuan,Howareyou?IhavebeeninBeijingfor1month.Iwanttotellyousomethingaboutmylifehere.Ihaveeightclasseseveryday.Igotoschoolbybikeeveryday.Ihavevisitedsomeplacesheresofar.IoftengoaroundBeijingonweekends.Ihavemadesomefriendshere.ButIstudiedinTurpanamonthago,Iwenthomewithmyfriends,Iplayedsoccerwithmyclassmates.HowhappyIwas!Imissyouverymuch.OhIt’stimetogotoschool,IwanttogobacktoTurpanthissummervacation.Seeyouthen.Howmanytensecanyoufindinthisletter?一般现在时：1、表达经常性或习惯性的动作。2、表示现在的状态。一般现在时:SimplePresentTenseoften（经常）sometimes（有时）always（总是）usually（通常）everyday（每天）everyweek（每周）everymonth（每月）everyterm（每学期）everyyear（每年）onceaweek（一周一次）标志词：定义：例如：1、我们经常8点上学。2、每天下课后我们打扫教室。3、有时我们在操场上踢足球。4、Mary一周在学校吃三次午饭。5、他喜欢英语。6、他是一个学生。Weoftengotoschoolat8.Wecleantheclassroomafterclasseveryday.Wesometimesplayfootballontheplayground.Maryeatslunchthreetimesaweekatschool.HelikesEnglish.Heisastudent.一般现在时用法：e.g.He’stwelve.She’satwork.e.g.Igetupat6:30everyday.HereadsEnglisheverymorning.e.g.Shelikesnoodles.TheyspeakFrench.e.g.Twoplusfourissix.Themoongoesaroundtheearth.1.表示现在的状态：2.表经常或习惯性的动作：3.表主语具备的性格和能力等：4.普遍真理和自然规律：Doyouknow?第一人称和第二人称的一般现在时，其谓语动词没有形式的变化，其否定形式一般是在谓语动词前don’t,一般疑问句在句前加do主语是第三人称单数时，谓语动词形式有变化，一般在动词末尾加s，否定句在行为动词前加doesn’t，一般疑问句在句前加does动词三单的变化：1、一般动词后加s，如：reads,plays,works,makes2、以s,x,ch,sh,结尾，后加es.如：watches,3、以辅音字母加o结尾,一般加es,如：does,goes4、辅音字母+y结尾的单词,去y,加ies,如：worriesstudiesExercise1.Igetupatsixo’clockeveryday._________yougetupeveryday?2.TheyusuallygototheparkonSunday.__________theyusually____onSunday?3.Lucygoestoschoolat8everyday.(一般疑问句)_____Lucy____toschoolat8everyday?4.Mary_____(go)toschoolat8everyday.5.Mymother______(clean)theroomonceaday.6.He______(notclean)theroomeveryweekends.一般现在时：1、表达过去发生的动作。2、表示过去存在的状态。一般过去时:SimplePastTenseyesterday(昨天)yesterdaymorning（昨天早上）lastnight（昨天晚上）lastweek（上周）twodaysago(两天前)aweekago（一周前）in1990,（在1990年）justnow(刚才)标志词：定义：例如：1、我们昨天去上学。2、昨天下午课后我们打扫教室。3、上周我们在操场上踢足球。4、我们刚才在学校吃晚饭。5、他两年前学英语。Wewenttoschoolyesterday.Wecleanedtheclassroomafterclasslastafternoon.Weplayedfootballontheplaygroundlastweek.Wehaddinneratschooljustnow.HelearnedEnglishtwoyearsago.变化规则例词一般在词尾加—edplay→played以不发音的e结尾的，只加--dlike→likedlove→loved以辅音字母+y结尾的，变y为i,再加—edstudy→studiedcarry→carried以一个辅音字母结尾的重读闭音节，先双写这个辅音字母，再加-edstop→stoppedplan→planned只有实义动词的一般过去时，其否定句一般是在谓语动词前didn’t,一般疑问句在句前加did,且句中的动词过去式要还原。1Mr.Liinvitedhertotheparty.（改为一般疑问句）Mr.Lihertotheparty?2Theyaskedtheteacheraquestion.（改为否定句）Theytheteacheraquestion.3TomwatchedTVfortwohours.(对画线部分提问）TomTV?4.She_______(help)medosomecleaningyesterday.5.Didyou(go)tothelibraryjustnow?6.I_____(buy)anewbikelastweekend.Didinvitedidn’taskHowlongdidwatchExercise一般现在时：1、表达过去发生的或已经完成的动作对现在造成的影响或结果。2、表示过去某一时间开始一直延续到现在的动作或状态。。ever(曾经)never（从不）yet（已经；还）already（已经）before(之前)recently（最近）For+一段时间（for3days）sofar(到目前为止)since+过去时间(since2000)inthelast4years(在过去的四年中)标志词：现在完成时:PresentPerfectTense定义：例如1、我已经读了这本书。2、他从来没去过北京。3、到目前为止我学了500个单词。4、我住在吐鲁番20年了。5、Tom最近在学法语。6、自从我是一个小孩子我就拥有了这个玩具熊。Wehavealreadyreadthebook.WehaveneverbeentoBeijing.Ihavelearned500wordssofar.IhavelivedinTurpanfor20years.TomhaslearnedFrenchrecently.IhaveownedthetoybearsinceIwasababy.现在完成时的用法形式用法意义Have/has+动词的过去分词继续表示从过去继续到现在的动作或状态Hehasbeensicksincelastweek.Shehaswaitedforhimfor1day经验表示过去某时到现在的经验IhavevisitedLondontwiceHaveyoueverbeentoHawaii?完成表示现在刚完成的动作Hehasjustfinishedherhomework.Ihavealreadydonethehousework结果表示现在是“做了…”的结果IhavelostmydictionaryMybrotherhasbecomealawyerExercise1.Ihavealreadyvisitedmyuncle.(一般疑问句)_____you______youruncle_____?2.TheyhavebeentoHongKongtwice.(否定句）They___________toHongKongtwice?3.Tom_____(learn)Englishfor5years.4.I______(live)heresinceIwasababy.5.Mary______(go)goestoJapan,she’llcomebacknextmonth.6.He________(come)inBeijingfor10years.判断下列信息词是属于哪种时态lastnightsince2000everydayfor3yearsyesterdayoftensofartwoyearsagoalwaysin1897threetimesaweek一般现在时一般过去时现在完成时判断时态形式：1.Healwayslikesplayingthepiano.()2.Wehaveplayedsoccerfor3years.now.()3.Theyoftengohomelate.()4.Lucydancedthediscoatthepartylastnight.()5.IlikedgotothezoowhenIwasyoung.()6.Myteacherisfriendlytous.()7.Theyhavechangedalotinthelast10years.()8.Shewasbornin1990.()9.Ilostmuchmoneylastnight.（）A.现在完成时B.一般现在时C.一般过去时ABCABBCCC