小学英语一般现在时PPT课件

1、一般现在时表示经常发生的、习惯性的动作或存一般现在时表示经常发生的、习惯性的动作或存在的状态。在的状态。与频率副词与频率副词usually ,often, sometimes ,always和和时间短语时间短语in the morning /afternoon/evening, on Sundays , every day/week/year连用 第1页/共44页我的功能我的功能1. 表示经常性、习惯性的动作或状态表示经常性、习惯性的动作或状态 I wash the dishes every day. You go to school by bus sometimes. They usuall

2、y have lunch at 11:30. He always gets up early. 2. 表示表示客观事实表示表示客观事实You are 13.He is a student. 3. 表示永恒不变的真理；表示永恒不变的真理； The moon goes round the earth.第2页/共44页alwaysalways(总是) usuallyusually(通常) oftenoften(经常) sometimessometimes(有时) hardly(几乎不) rarely（很少） never(从不) every day(每天) every year(每年） all the

3、 time（所有时间）on Monday（在星期一） in January （在某月）第3页/共44页 一一. be. be动词的一般现在时动词的一般现在时1. be动词：动词： 主语主语 + be +其它其它如如：I am a boy. 我是一个男孩。 He is a boy.他是一个男孩。 am is(单三）单三） are第4页/共44页1）当谓语是）当谓语是be动词时，一般现在时的构成：动词时，一般现在时的构成：主语主语be动词其他动词其他如：如：I am a student. He is Jims father. 第5页/共44页I am a student. You are a nu

4、rse. 第6页/共44页He is a policeman. He is a postman. 第7页/共44页It is a snake.It is a lion.They are animals.第8页/共44页I am Chen Jie.He is a policeman. She is a nurse.It is a snake.We are girls. You are a student.You are students.They are beautiful girls.第9页/共44页一般现在时一般现在时（否定句）（否定句） 在一般现在时中，句在一般现在时中，句中有中有bebe

5、动词或情态动词动词或情态动词（cancan等）时，否定句在等）时，否定句在bebe动词和情态动词后加动词和情态动词后加notnot。 例如例如第10页/共44页一般现在时一般现在时（否定句）（否定句）1、I am a teacher.否：否：I am not a teacher.2、He is a student.否：否： He is not a student.3、You are a boy.否：否： You are not a boy.4、I can swim.否：否： I can not（cant) swim.第11页/共44页变否定句变否定句I am a good boy.I am n

6、ot a good boy.第12页/共44页变否定句变否定句He is a student.He is not a students.(isnt)第13页/共44页变否定句变否定句They are students.They are not students.(arent)第14页/共44页变否定句变否定句She can speak English.She can not speak English.(cant)第15页/共44页I am Jack.We are boys. You are a teacher.He is Jerry. She is Lisa.It is Tom.They a

7、re beautiful girls.notnotnotnotnotnotnot第16页/共44页一般现在时一般现在时（疑问句）（疑问句） 句中有句中有bebe动词或情态动词时，动词或情态动词时，bebe动词或情态动词动词或情态动词cancan提前，首字母提前，首字母变为变为大写大写；some some 变变any;any;第一人称变第一人称变成第二人称。成第二人称。例如例如第17页/共44页一般现在时一般现在时（一般疑问句）（一般疑问句） He He is is a student. You a student. You areare a boy. a boy. Is Is he a stu

8、dent he a student？ Are Are youyou a boya boy？ I I cancan swim. swim. TheyThey areare teacher teachers s. . Can Can you swim you swim？ AreAre they tethey teacherachers s？第18页/共44页 I am a student. Are you a student ？变一般疑问句变一般疑问句Yes, I am. No,I am not.第19页/共44页 John is my friend. Is John your friend？变一

9、般疑问句变一般疑问句Yes, he is. No,he isnt.第20页/共44页 They are students. Are they students ？变一般疑问句变一般疑问句Yes, they are. No,they arent.第21页/共44页He is Cheng Long . I am Chen Jie .We are Chinese . You are a student .She is lucy .It is Zoom .They are beautiful girls .Is he ?Are you?Are you?Are you ? ?Is it?Are they

10、?Is she第22页/共44页二二. 实义动词的一般现在时实义动词的一般现在时1 1、什么叫实义动词？ 实义动词是指表示有具体意思的动词,也叫行为动词。 如: like(喜欢）, eat（吃）, live（居住）, have（有）, run（跑） 等等。实义动词占英语中动词的绝大多数。第23页/共44页1）当谓语是实意动词时，一般现在时的构成：主语（非第三人称单数）动词原形其他如：I often watch TV in the evening. Amy and Sarah like playing football.主语（第三人称单数）动词的第三人称单数形式其他如：John usually

11、goes shopping on Sundays. Mike studies English every day.第24页/共44页主语（非第三人称单数）如I often go to school on foot.You usually go home by bus.We take a shower everyday.They often play basketball on Sunday.Mike and John play football everyday.The students do homework everyday.第25页/共44页 哪些主语是第三人称单数? 第26页/共44页

12、一、人称代词一、人称代词he, she, ithe, she, it是第三人称单是第三人称单数。数。 He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。It looks like a cat. 它看起来像只猫。第27页/共44页二、单个人名、地名或称呼作主二、单个人名、地名或称呼作主语；是第三人称单数。语；是第三人称单数。 Chen Jie looks like her mother. 陈洁看起来像她的母亲 Beijing is in China. 北京在中国。 My mother often makes cakes.

13、 王叔叔经常做蛋糕。 第28页/共44页实义动词第三人称单数的动词形式变化规则：1、一般情况下，直接加s，如： reads, plays, works, makes2、以s, x, ch, sh,o结尾的单词，后加es. 如： watches washes teaches does goes3、以辅音字母+y结尾的单词, 变y为i,再加es, 如：flies, studies4、不规则变化 如：have-has第29页/共44页 sit_ swim_ go do _ make _ run _ write_ see_ _ cry_ study _ watch_ wash_ say_ play _

14、 have_ take_ sitsswimsgoesdoesmakesrunswritescriesseesstudieswatcheswashessaysplayshastakessits第30页/共44页一般现在时一般现在时（否定句）（否定句） 句中没有句中没有bebe动词或情态动动词或情态动词时，主语为词时，主语为第三人称单数第三人称单数的的变否定句在动词前加变否定句在动词前加does not does not (doesn(doesnt)t), ,非单三非单三时，变否定时，变否定句在动词前加句在动词前加do notdo not（dondont)t) 例如例如第31页/共44页一般现在时

15、一般现在时（否定句）（否定句） 1 1、I to school by bus. I to school by bus. 否：否： I to school by bus. I to school by bus. 2 2、He He to school by bus. to school by bus. 否：否：He He to school by bus. to school by bus. go go dont go dont go goesgoesdoesnt godoesnt go第32页/共44页变否定句变否定句I study English every day.I study Engl

16、ish every day.dont第33页/共44页变否定句变否定句She speaks Chinese well.She Chinese well.doesnt speaks第34页/共44页ess He often go to school on foot. You usually go home by bus. We take a shower every day. They often play basketball on Sunday. Mike play football every day. The students do homework every day.They tak

17、e a shower everyday.dontdoesntdontdontdontdoesntdont第35页/共44页一般现在时一般现在时（一般疑问句）（一般疑问句） 句中没有句中没有bebe动词或情态动词时，动词或情态动词时，主语为主语为非非第三人称单数，变一般疑问第三人称单数，变一般疑问句在句首加句在句首加D Do o，句子中动词用，句子中动词用原形原形。主语为主语为第三人称单数第三人称单数，一般疑问句在，一般疑问句在句首加句首加D Doesoes，句子中原有动词用，句子中原有动词用原形原形；SomeSome变变any.any.例如例如第36页/共44页一般现在时一般现在时（一般疑问句

18、）（一般疑问句） 1 1、I to school by bus. I to school by bus. 疑疑问问句：句： you to school by bus. you to school by bus. 2 2、He He to school by bus. to school by bus. 疑疑问问句：句： he he to school by to school by bus. bus. DoesDoesgogogoesgoesgogogogoDoDo第37页/共44页We go to school every day. Do you go to school every day?变一般疑问句变一般疑问句第38页/共44页Mike likes playing computer games. Does Nancy like playing computer games?变一般疑问句变一般疑问句s第39页/共44页John wants some bread. Does John want any bread？变一般疑问句变一般疑问句第40页/共44页esThey take a s