一般现在时-一般过去式.ppt

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1、Welcome to my class!,教学目标,分辨一般现在时与一般过去时二种时态的用法与特征,表示经常或者反复发生的动作,一般现在时:Present Simple,often（经常）sometimes（有时）always（总是）usually（通常）every day（每天）every week（每周）every month（每月）every term（每学期）every year（每年）once a week（一周一次）twice a year（一年两次）,信息词：,Lets remember:Do you remember the words in your life?你记得你生活中

2、的一些常用词汇吗？,起床吃早饭做运动做家庭作业看电视上床睡觉听音乐看电影,get up have breakfast do sports do homework watch TV go to bedlisten to musicsee a film,定义：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。例如：1、我们每天都上学。2、下课后我们打扫教室。3、有时我们在操场上踢足球。4、我们在学校吃晚饭。5、他喜欢英语。6、他是一个学生。,We go to school every day.,We clean the classroom after class.,We sometim

3、es play football on the playground.,We have dinner at school.,He likes English.,He is a student.,Do you know?,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 dont,一般疑问句在句前加do(I、you、we、they、A and B)但当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doesnt，一般疑问句在句前加does（he、she、it、人名、地名）,动词三单的变化：1、一般动词后加s，如：reads,

4、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studies,Lets correct（改错）: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?,go,doesnt,like

5、,watches,have,改句子,1.Do you often play football after school?(肯定回答)2.I have many books.（改为否定句）3.His sister likes playing table tennis（改为否定句）4.Tom doesnt run fast（肯定句）5.I watch TV every day.（改为一般疑问句）,Yes.I do.I dont have many books.His sister doesnt like playing table tennis.Tom runs fast.Do you watch

6、 TV every day?,表示过去发生的动作或存在的状态,一般过去时:Past Simple,行为动词（不含be动词）的一般过去时:,陈述句：主语+动词过去式+其它,She did her homework yesterday.,否定句：主语+助动词didnt+动词原形+其它,She didnt do her homework yesterday.,一般疑问句：Did+主语+动词原形+其它,Did she do her homework yesterday?Yes,she did./No,she didnt.,常用时间,常与一般过去时态连用的时间有：,yesterdayyesterday

7、morning(afternoon,evening)last night(week,month,year)two days ago,a week ago,three years agojust now,规则动词的过去式变化规则,一般在词尾加ed,playplayed,以不发音的e结尾的，只加-d,以辅音字母+y 结尾的，变y为i,再加ed,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-ed,PRACTISE,改写句子：1、Lucy did her homework at home.（改否定句）Lucy _ _ her homework at home.2、He found some

8、 meat in the fridge.（变一般疑问句)_ he _ _ meat in the fridge?3、She stayed there for a week.（对划线部分提问）_ _ _ she _ there?4、There was some orange in the cup.（变一般疑问句)_ there _ orange in the cup?,didnt do Did find any How long did stay Was any,时 态,一般现在时：,一般过去时：,经常或习惯性的动作或存在的状态。,过去某个时间或时间段发生的动作或存在的状态。,(The Simp

9、le Present Tense),(The Simple Past Tense),动词第三人称单数的构成：,过去式的构成：,直接加-s.以s,x,ch,sh,以“辅音+y“结尾变y 为i再加-es.以o结尾加-es.,直接加-ed.以e结尾只加d.重读辅元辅，双写尾字母再加-ed.以“辅音+y”结尾变y 为i 再加-ed.,小小测试,判断时态形式：,He always likes playing the piano.()They often go home late.()Lucy danced at the party last night.()I liked go to the zoo w

10、hen I was young.()My teacher is kind to us.()I lost much money last night.（）,A.一般现在时B.一般过去时,A,B,A,A,B,B,Thank you!,The Simple Future Tense,一般将来时,常用形式：be going to动词原形will动词原形,“be going to”和“will”的区别：,“be going to+动词原形”表示打算或计划将来要做的事“will+动词原形”表示将要发生的动作或存在的状态，或表示一种愿望。,will 引导的一般将来时:表示将来发生的动作或存在的状态，最基本的

11、结构：will+动词原形“主谓（宾）句型”的一般将来时：肯定句：主语+will+动词原形+（宾语）+其他 Some day people will go to the moon.否定句：在will 的后面加not即可。will not 可缩写为 wont Some day people will not go to the moon.一般疑问句：把will 提到句子主语之前，结尾变问号。Will Some day people go to the moon?特殊疑问句：特殊疑问词+will+主语+动词原形+其他？Where will some people go?,1）我打算明天和我的朋友去旅

12、行。I go on a trip with my friends tomorrow.I go on a trip with my friends tomorrow.2）下个星期一你打算去干嘛?我想去打篮球。-What next Monday?-I play basketball.-What you do next Monday?I _ play basketball.3）你妈妈这个周末去购物吗？是，她要去买一些水果。-your mother go shopping this?-Yes,she.She buy some fruit.,练一练：,Practice,am going to,will,

13、are you going to do,am going to,will,will,Is going to,is,is going to,weekend,改写句子,1）Nancy is going to go camping.（改否定句）Nancy _ going to go camping.2）Ill help them.（改否定句）I _ help them.3）Im going to get up at 6:30 tomorrow.（一般疑问句）_ you _ to get up at 6:30 tomorrow?4）We will meet at the stop at 10:30.（

14、改一般疑问句）_ you _ at the bus stop at 10:30?5）Shes going to listen to music after school（划线提问）_ is she going to _ after school?,isnt,wont,Are,going,Will,meet,What,do,表示现在正在发生的动作,现在进行时:Present Progressive,结构:be(is,am,are)+doing肯定句：主语+be+v.ing+否定句：主语+be+v.ing+疑问句：Be+主语+v.ing?特殊疑问词+be+主语+ving?,标志语：Look!、Li

15、sten!、now,动词-ing形式的构成：,一般在动词原形后+ing,以不发音的e结尾的，去e，+ing,重读闭音节以一个辅音字母结尾的，双写这一字母+ing,时态,现在进行时：,一般现在时：,一般过去时：,现在正在进行的动作,经常或习惯性的动作或存在的状态。,过去某个时间或时间段发生的动作或存在的状态。,(The Present Continuous Tense),(The Simple Present Tense),(The Simple Past Tense),各时态常用的信息词,一般现在时:,一般过去时:,always,usually,often,sometimes,seldom,n

16、ever,every day,every,last night,last,two days ago,ago,just now yesterday,yesterday morning,各时态常用的信息词,现在进行时：,一般现在时:,一般过去时:,now,Look!Listen!at this time Where is?Dont talk!Its 8:00am.,always,usually,often,sometimes,seldom,never,every day,every,three times a day,last night,last,two days ago,ago,in 1999

17、,in+过去的年份,just now=a moment ago,yesterday,yesterday morning,改一般疑问句的方法：,改否定句的方法：,首先看有无be动词，如果有，将be提到句首并大写，句末打问号.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。,V-原形V-s/esV-ed(过去式),+动词原形?,以此类推,首先看有无be动词，如果有，在be 动词后面加not.如果没有be 动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。,主语+dont/doesnt/didnt+动词原

18、形,现在分词 的构成：,动词第三人称单数的构成：,过去式的构成：,直接加-ing.重读辅元辅，双写尾字母加-ing.以e 结尾去e加-ing.,直接加-s.以s,x,ch,sh,o结尾加-es.以“辅音+y“结尾变y 为i再加-es.,直接加-ed.以e结尾只加d.重读辅元辅，双写尾字母再加-ed.以“辅音+y”结尾变y 为i 再加-ed.,表格对比学习,be+v-ing(现在分词）,在be 后加上not,Be提到句首,V-原形V-三人单,在行为v.前借用do,does后加not，行为动词还原,Do,Does 提到句首，行为动词还原,V-ed(过去式）,在行为v.前借用did后加not，行为动

19、词还原,Did 提到句首，行为动词还原,判断下列信息词是属于哪种时态,last night now every day Look!yesterday often Listen!two years ago alwaysin 1897 three times a week,一般现在时一般过去时现在进行时,小小测试,判断时态形式：,He always likes playing the piano.()We are having an English classes now.()They often go home late.()Lucy danced the disco at the party

20、last night.()I liked go to the zoo when I was young.()My teacher is friendly to us.()Look!They are playing football.()She was born in 1990.()I lost much money last night.（）,A.现在进行时B.一般现在时C.一般过去时,A,B,C,A,B,B,C,C,C,He is a teacher.,2.Kangkang comes from China.,3.I usually take the bus to work.,4.They

21、are having classes.,5.Jane played the guitar last night.,先（一般疑问句）再（否定句）,Is he a teacher?He isnt a teacher.,Does Kangkang come from China?Kangkang doesnt come from China.,Do you usually take the bus to work?I dont usually take the bus to work.,Are they having classes?They arent having classes.,Did Ja

22、ne play the guitar last night?Jane didnt play the guitar last night.,句型变化操练,用所给动词的适当形式填空。,1.Listen!Mary _(sing)now.2.A young man _(run)on the playground now.3.My mother _(watch)TV play every day.4.Old Bush _(visit)China again last month.5.I _(play)sports three times a day.6.Look!Lucy and Lily _(read

23、)books.7.There _(is)a football match yesterday afternoon.8.Our class _(go)to the zoo three days ago.,is singing,is running,watches,visited,play,are reading,was,went,T or F1.He always sleep with his windows open.2.He is does his homework in the evening every day.(改错)3.He is twelve last year.4.They we

24、re come here three days ago.5.He fishing now.,sleeps,F,F,F,F,F,was,Exercise,is,Exercise,Blank filling:1.It(rain)hard now.It(rain)quite often during the month of march.2.Where is she?She(show)the visitors around the city.3.What Li Lei(do)last night?4.My parents(work)five days a week.5.There(be)three bottles of orange on the table just now.,is raining,rains,is showing,did,do,works,were,Goodbye!,