一般现在时 ppt课件.ppt

一般现在时,定义:一般现在时。表示通常性、规律性、习惯性的状态或者动作（有时间规律发生的事件）的一种时间状态,具体运用,1.表示经常的或习惯性的动作，常与表示频率的时间状语连用。时间状语：always,usually,every morning/night/evening/day/week/year,often,sometimes,twice a week,seldom,once a month,on Sundays e.g.I leave home for school at 7:00 every morning.I get up at six in the morning.,2.表示客观事实和普遍真理。e.g The earth moves around the sun.Shanghai lies in the east of China.3表示格言或警句中。e.g Pride goes before a fall.骄者必败。注意：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。例：Columbus proved that the earth is round.,表达方法,主要通过谓语动词的变化和用时间词语来表示，其中最主要的是谓语动词的变化。一般现在时动词变化的规则是：,1.如果主语是名词复数和第一人称I、we，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 例 1)We usually go to school at 7:30.我们通常7:30上学去。go 2)My parents give ten yuan to my sister every week.我父母每星期给我妹妹十元钱。,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 特殊疑问句:特殊疑问词+一般疑问句,1、一般动词，在词尾加 s;如：work-works,live-lives,play-plays,sing-sings.eg:She lives in Ningbo.她住在宁波。2、以/s/z/等音素结尾的动词，词尾加-es，如词尾为e，只加-s.读作/iz/如：teach-teaches,wash-washes.eg:My mother washes the coat.我母亲洗了大衣。,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,Study fly,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,go do,goes,does,5.特殊情况：,have has,EX2 1.Tom often_(get)up at six in the morning 2.The earth _(go)around the sun.3.Marys parent _(live)in Beijing.4.She _(draw)very well.,Ex1.写出下列词的单三形式：look;go;give;fly;have wa,looks;goes;gives;flies;has,gets,goes,lives,draws,II 一般现在时的否定式,1.Be 动词的否定式:be+not,I am a teacher.You are a workerShe is a doctorWe are friends.,Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.,is not=isntare not=arent,否定句,否定句型,1.谓语动词或助动词是 be、have或者情态动词can/may/must 等，在将助动词后加not.I am not at college.Mr.Wang isnt 50 years old.The Jacksons doesnt have two sons.You may not go now.,2.谓语动词是实义动词，是在谓语动词前加do not 或does not，谓语动词改用动词原型。I dont have lunch at home.They dont play basketball on the sportsground.Mr.Jimmy doesnt know French.,Ex1.将下列各句从肯定式改为否定式,I talk to Peter because I like him.Kate comes from America.Kate works with PeterI am Chinese,and I am a student.They know each other.,I dont talk to Peter because I dont like him.,Kate doesnt come from America.Kate doesnt work with Peter.,I am not Chinese,and I am not a student,They dont know each other.,疑问句型,1.对于谓语动词或助动词是 be、have、can/may/must 等，将这些词移到主语前面。Are you students？Yes,we are./No,we arent.Is Jane in the classroom?Yes,he is./No,he isnt.Does the house have two rooms?Yes,it does/No,it doesnt.Is there any water in the glass?Yes,there is./No,there isnt.Can you swim?Yes,I can./No,I cant.,2.谓语动词是实义动词，方法是在主语前加助动词do或does构成，句中动词要改用原型动词。do用于第一人称和名词复数，does用于第三人称单数和名词单数或不可数名词。Do you know it？Yes,I do./No,I dont.Does she have a pen？Yes,she does./No,she hasnt.have 这里是实义动词 Do they play basketball after school?Yes,they do./No,they dont.,概念：用 yes 或 no 来回答的疑问句叫做一般疑问句。,III一般疑问句,I am a teacher.You are a worker.He is a student.We are friends.,1.对于BE 动词，疑问句要求把BE 提前，第一人称的单数和复数（I/WE），第一变成第二人称。,疑问句,Are you a teacher?Are you a worker?Is he a student?Are you friends?,2.对于实意动词，疑问句要求是：当主语是他(he)，她(she)，它(it)时，句子前面加DOES，并把动词恢复原形；当主语是其他人称时，句前加DO，第一人(I/we)称换第二人称(you)。,I often go there.You like the music.He goes to work by bus.We/You/They like it.,Do you often go there?Do you like the music.?Does he go to work by bus?Do you/they like it?,Ex1.请做练习,1.Her parents live in Shanghai.否:Her parents_ in Shanghai.疑：_ her parents_ in Shanghai?.2.You study English.否：You study English.疑：you study English?3.How often Tom football?A.is,play B.do,play C.does,play D.does,plays,dont live,Do,live,Dont,Do,C,请把下列句子变成否定句和疑问句。,The sun rises in the east.2.Tom gets up at six in the morning.,The sun doesnt rise in the east.Does the sun rise in the east?,Tom doesnt get up at six in the morning.Does Tom get up at six in the morning?,3.They live in Shanhai.4.I am a student.,They dont live in Shanhai.Do they live in Shanhai?,I am not a student.Are you a student?,.特殊疑问句,特殊疑问句在考试中涉及的比较多，主要以选择和转换句型为主，首先要掌握一些常用疑问词的意思如：what（什么）,when,what time（什么时间）,who（谁）,where（在哪里）,why（为什么）,how（怎样）,how many+可数名词的复数（多少），how long（多长时间）,how often（多久一次）等，其次掌握它的语序，即就是特殊疑问词+一般疑问句语序（Who）除外,一、疑问词+一般疑问句句序：Where are you from?Im from the north.What do you want?I want the books on your desk.,特殊疑问句的语序,二，与陈述句的语序同：（疑问词作主语或修饰主语)Who gives you the present.Mr.Wang gives me the present.What is in the box?Which is mine?Whose book is on the desk?,Tom goes to school every day by bike.1.就Tom 提问 2.就goes to school提问 3.就by bike提问,Ex.请做练习。,1.Who goes to school every day by bike?,2.What does Tom do every day by bike?,3.How does Tom go to school every day?,Ex2.将下列句子变成其否定句，并就斜体部分提问。1.She comes from America.2.I usually go to school by bike.,Does she come from America?She doesnt come from Ameica.Where does she come from?,I dont usually go to school by bike.Do you usually go to school by bike?How do you usually go to school?,V 选择疑问句,选择疑问句:(直接回答，与YES 和NO 无关）1Does she work in a factory or in an office?2Which do you like best,football,basketball or volleyball?Eg:Does she play football or basketball?A.Yes,she does B.she plays football.C.No,she doesnt,反意疑问句，遵循的原则是：前肯，后否；前否，后肯。其中，前否包括是带有not的否定，还包括前面句中含有否定意义的词，如seldom（很少）,hardly（几乎不）,never（从来也不）,little,few（很少，不多）etc.,.反意疑问句,例如；1.She lives in Ningbo,_?疑问句：Does she live in Ningbo?,2.They are students,_?Are they students?3.It seldom snows in kunming,_?Does it snow in kunming?,arent they,does it,doesnt she,1.I goes to school at six every day.2.He dont like playing football.3.They likes playing games.4.Daming watchs TV in the evening.5.Does he usually has a party?6.What do they on Sunday?7.What they eat in the party?8.Lily haves lunch at school.,改错题,1.I go to school at six every day.2.He doesnt like playing football.3.They like playing games.4.Daming watches TV in the evening.5.Does he usually have a party?6.What do they do on Sunday?7.What do they eat in the party?8.Lily has lunch at school.,用所给动词的正确形式填空：1.We often _(play)in the playground.2.She often _(watch)TV with her dog.3.The earth _(go)around the sun.4.My mother _look)after my little sister at home.5.Lucy _(have)some friends here.6.Fang Ming _(not like)rice at all.7.We_(go)to school at 7:30 in the morning.8.Mary seldom _(come)here.9.Her uncle often _(drive)to Beijing.10.Tom _(want)_(work)in Hainan.,play,watches,looks,doesnt like,has,go,comes,wants,drives,to work,goes,1._ you have a book?A DoB.AreC.IsD.Have2.Does Li Lei like to watch TV?_.A.Yes,he like.B.No,he doesnt.C.Yes,hed like.D.No,he likes.3.She doesnt _ her homework in the afternoon.A.doingB.to doC.doesD.do4.How _ Mr.Smith _ to England?A.do,go B.is,go C.does,go D.does,goes,5._ she _ home at six every day?A.Is,leave B.Does,leave C.Is,leaves D.Does,left6.I want_homework now.A.doingB.to doC.to do myD.do my7.Its time_.A.go to schoolB.play games C.to go homeD.to do my homeworks8_you _the blackboard?Yes,I can.A.Can,clean B.Am,cleaning C.Are,cleaningD.Do,clean9_go and help her.A.Lets me B.Lets us C.Lets D.Lets to,10.Do they have a new car?Yes,_.A.they are B.they have C.they dont D.they do11.He often _ supper at 6:00 in the evening.A.have B.has C.is having D.is eating12.Its 6 oclock in the morning.Its time _.A.get up B.gets up C.to get up D.gets up,13.The students will go to the Summer Palace if it _ tomorrow.A.dont rain B.doesnt rain C.wont rain D.isnt rain14.There _ an English film next week.A.will have B.is going to have C.is going to be D.was going to be15.The picture _ nice.A.looks B.is looked C.look D.is looking,We often_(play)in the playgound.2.He _(get)up at six oclock.3._you _(brush)your teeth every morning.4.What(do)_he usually(do)_ after school?5.Danny _(study)English,Chinese,Maths,Science and Art an school.,play,gets,brush,Do,do,does,studies,6.Mike sometimes _(go)to the park with his sister.7.At eight at night,she _(watch)TV with his parents.8._ Mike_(read)English every day?9.How many lessons_your classmate_(have)on Monday?10.What time_his mother_(do)the housework?,goes,watches,read,Does,does,have,do,does,改句子Do you often play football after school?(肯定回答)Yes,I do 2.I have many books.（改为否定句）I dont have many books.3.Gao Shans sister likes playing table tennis（改为否定句）Gao shans sisters doesnt like play table tennis.4.She lives in a small town near New York.（改为否定句）She doesnt live in a small village Near New york.,5.I watch TV every day.（改为一般疑问句）Do you watch TV every day?6.David has got a goal.（改为一般疑问句）Has David got a boat?7.We have four lessons.（否定句）We dont have four lesons.8.Nancy doesnt run fast（肯定句）Nanry runs fast.9.My dog runs fast.（否定句）My dog doesnt run fast,