初中英语人教版七年级下册一般现在时.ppt

TheSimplePresentTense,一般现在时,学习目标,1.学习一般现在时的用法。2.复习be动词形的一般现在时。3.学习并掌握行为动词形一般现在时，并会进行肯定句，否定句和一般疑问句之间的转换。,一般现在时,概念：表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。,标志词,常与一般现在时连用的词：,1、every系列,every,dayyearmonthweekmorningafternoonevening,、频率副词never,、次数,一次once两次twice三次threetimes一周两次twiceaweek每周四次fourtimesaweek每周六onSaturdays每周日onSundays在周末onweekends,1.表示现在的状态：e.g.Hestwelve.Shesatwork.2.表经常或习惯性的动作：e.g.Igetupat6:30everyday.HereadsEnglisheverymorning.常用的状语：often,sometimes,usually,everyday等。3.表主语具备的性格和能力等：e.g.Shelikesnoodles.TheyspeakFrench.4.表示普遍真理和自然规律：e.g.Twoandfourissix.Themoongoesaroundtheearth.,一般现在时的构成,类型：一、be动词的一般现在时二、实义（行为）动词的一般现在时,主语+be+其他(n.,adj.等),主语+be+not+其他,Be+主语+其他?,be动词的一般现在时句式：,我父母是医生。龙先生28岁。,Myparentsaredoctors.,MrLongis28yearsold.,Myparentsarenotdoctors.MrLongisnot28yearsold.,Areyourparentsdoctors?Yes,theyare./No,theyarent.IsMrLong28yearsold?Yes,heis./No,heisnt.,肯定句：,否定句：,一般疑问句:,第一家族：,Exercise,1、KittyanEnglishgirl.2、Westudents.3、IfromTaizhou.4、Shetall.5、LucyandLilygoodfriends.6、Thosechairsbroken.7、Thebagmine.,is,are,am,is,are,are,is,1、Kitty(not)anEnglishgirl.2、We(not)students.3、I(not)fromTaizhou.4、She(not)tall.5、LucyandLily（not）goodfriends.6、Thosechairs(not)broken.7、Thebag(not)mine.,isnt,arent,amnot,isnt,arent,arent,isnt,第二家族：行为动词一般现在时的构成,行为动词：表示行为动作的词语,找出下面的行为动词：,pencomegoodplaygoChinahavehappyreadpandamoringdogivefivelive,主语为非第三人称单数的句式主语为第三人称单数的句式,1.如果主语是名词复数和第一、二人称，谓语动词不用做任何变化，即仍然用动词原形表示：肯定句主语+动词原形+其他否定句主语+dont+动词原形+其他一般疑问句Do+主语+动词原形+其他肯定回答:Yes，主语+do否定回答:No，主语+dont例1)Wegotoschoolat7:30everyday.2)Myparentsgivetenyuantomysistereveryweek.,2.主语是任何一个单数名词或者是第三人称单数，谓语动词要进行必要的变化。特别提一点：不可数名词也算作单数处理。肯定句:主语+动词的第三人称单数+其他否定句:主语+doesnt+动词原形+其他一般疑问句:Does+主语+动词原形+其他肯定回答:Yes，主语+does否定回答:No，主语+doesnt例.Jennylivesinanoisyneighborhood.Boblikestoplayballgameswithhisfriends.,1、一般动词，在词尾加s;如：work-works,live-lives,play-plays,sing-sings.eg:ShelivesinNingbo.她住在宁波。2、以s,x,ch,sh结尾的加ese.g.watchwatches,washwashes,teach-teaches,行为动词do一般现在时第三人称单（he,she,it)的构成规则：,动词变化规律,3.以辅音字母加Y结尾的词，把Y变I在加ES，读作Z,Studyfly,studies,flies,4.以辅音字母+O结尾的词，一般情况是在词尾加es读作Z,godo,goes,does,5.特殊情况：,havehas,EX21.Tomoften_(get)upatsixinthemorning2.Theearth_(go)aroundthesun.3.Marysparent_(live)inBeijing.4.She_(draw)verywell.,Ex1.写出下列词的单三形式：look;go;give;fly;have,looks;goes;gives;flies;has,gets,goes,lives,draws,用所给动词的正确形式填空：1.Weoften_(play)intheplayground.2.Sheoften_(watch)TVwithherdog.3.Theearth_(go)aroundthesun.4.Mymother_look)aftermylittlesisterathome.5.Lucy_(have)somefriendshere.6.FangMing_(notlike)riceatall.7.We_(go)toschoolat7:30inthemorning.8.Maryseldom_(come)here.9.Heruncleoften_(drive)toBeijing.10.Tom_(want)_(work)inHainan.,play,watches,looks,doesntlike,has,go,comes,wants,drives,towork,goes,1._youhaveabook?ADoB.AreC.IsD.Have2.DoesLiLeiliketowatchTV?_.A.Yes,helike.B.No,hedoesnt.C.Yes,hedlike.D.No,helikes.3.Shedoesnt_herhomeworkintheafternoon.A.doingB.todoC.doesD.do4.How_Mr.Smith_toEngland?A.do,goB.is,goC.does,goD.does,goes,5._she_homeatsixeveryday?A.Is,leaveB.Does,leaveC.Is,leavesD.Does,left6.Iwant_homeworknow.A.doingB.todoC.todomyD.domy7.Itstime_.A.gotoschoolB.playgamesC.togohomeD.todomyhomeworks8.Dotheyhaveanewcar?Yes,_.A.theyareB.theyhaveC.theydontD.theydo9.Heoften_supperat6:00intheevening.A.haveB.hasC.ishavingD.iseating,改句子Doyouoftenplayfootballafterschool?(肯定回答)Yes,Ido2.Ihavemanybooks.（改为否定句）Idonthavemanybooks.3.GaoShanssisterlikesplayingtabletennis（改为否定句）Ganshanssistersdoesntlikeplayingtabletennis.4.ShelivesinasmalltownnearNewYork.（改为否定句）ShedoesntliveinasmallvillageNearNewyork.,5.IwatchTVeveryday.（改为一般疑问句）DoyouwatchTVeveryday?6.Nancydoesntrunfast（肯定句）Nanryrunsfast.7.Mydogrunsfast.（否定句）Mydogdoesntrunfast,some、any,一般说来，some用于肯定句中，any用于否定句和疑问句中。,改疑问句或否定句时，原句里的some要改成any,Therearesomebooksonthedesk.(改为否定句),Therearentanybooksonthedesk.,Arethereanybooksonthedesk?,Whynotbuysomeapples?为什么不买些苹果呢?Wouldyoulikesomemoreapples?你要不要再吃点苹果?,注意：在表示建议或希望得到肯定回答时，some可用于疑问句，不用变成any.,andor,变否定句时，and要变成or,Thereissomeairandwateronthemoon.,