一般现在时-一般过去式-一般将来时基础讲解ppt课件

1、Welcome to my class!,1,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：,2,Lets remember: Do you remember the words in your life? 你记得你生活中的一些常用词汇吗？,起床

2、 吃早饭 上课 吃午饭 休息 做运动 吃晚餐 做家庭作业 看电视 上床睡觉,get up have breakfast start lesson have lunch have a break do sports have dinner do homework watch TV go to bed,3,看小说 听音乐 看电影 去音乐会 去看足球赛 玩游戏 弹钢琴 上网 说英语 去公园,read novels listen to the music go to the cinema go to the concert go to watch the football match play gam

3、es play the piano go online speak English go to the park,4,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 sometimes play football on the playground.,We have dinner at sc

4、hool.,He likes English.,He is a student.,5,一般现在时(The Simple Present Tense) 1.表示现在的状态： e.g. Hes twelve. Shes at work. 2.表经常或习惯性的动作： e.g. I get up at 6:30 every day. He reads English every morning. 3.表主语具备的性格和能力等： e.g. She likes noodles. They speak French. 4.普遍真理和自然规律： e.g. Two plus four is six. The m

5、oon goes around the earth.,6,对下列句子画线部分提问：,I get up at six oclock. They usually go to the park on Sunday. The elephants like eating fruits. He sends two emails every week. 5.I often make travel plans on the Internet. 6.He has lunch at school.,When do you get up?,What do they usually do on Sunday?,Wha

6、t do the elephants like eating?,How many emails does he send every week?,How often does he send two emails?,What do you often do on the Internet?,Who has lunch at school?,Where does he have lunch?,7,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 但当主语是第三人称单数时，谓语动词形式有变化，一般在

7、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,动词三单的变化： 1、一般动词后加s，如：reads,plays,works,makes 2、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,goes 4、辅音字母+y结尾的单词,去y,加ies,如：worries studies,8,Lets correct: I goes to school at six every day. He dont like playing football. 3. They likes playing game

8、s. 4. Daming watchs TV in the evening. 5. Does he usually has a party? 6. What do they on Sunday? 7. Tony goes always to school at eight oclock. 8. What they eat in the party? 9. Lily haves lunch at school. 10. What do his parents usually gives him ?,9,I cleaned the room yesterday.,I did some cleani

9、ng yesterday.,10,表示过去发生的动作或存在的状态,一般过去时:Past Simple,构成:系动词be的过去时,She was at home yesterday.,11,行为动词的一般过去时:,陈述句：主语+动词过去式+其它,She did homework yesterday .,否定句：主语+助动词didnt+动词原形+其它,She didnt do homework yesterday.,一般疑问句：Did +主语+动词原形+其它,Did she do homework yesterday? Yes,she did./No,she didnt.,12,常用时间,常与一般

10、过去时态连用的时间有：,yesterday yesterday morning (afternoon, evening) last night (week, month, year) two days ago, a week ago, three years ago in 1990, (in 1998),13,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,14,句型转换： 1 Mr Li invited her to the party

11、.（改为一般疑问句） Mr Li her to the party? 2 They asked the teacher a question.（改为否定句） They the teacher a question. 3 Tom watched TV for two hours.(对画线部分提问） Tom TV? 4 She helped me do some cleaning.(对画线部分提问） She you ?,Did,invite,didnt ask,How long did,watch,What did,help,do,15,PRACTISE,改写句子： 1、Lucy did her

12、homework at home.（改否定句） Lucy _ _ her homework at home. 2、He found some 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

13、Was any,16,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：sb+be+v.ing+ 否定句：sb+be+v.ing+ 疑问句：Be+sb+v.ing? 特殊疑问词+be+sb+ving?,标志语： Look! 、 Listen! 、now,17,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,18,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

14、。,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),19,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

15、night, last, two days ago, ago, in 1999, in +过去的年份, just now =a moment ago, yesterday, yesterday morning,20,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/es V-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/d

16、oes/did,并在后面加not,并且行为动词要还原。,主语+dont/doesnt/didnt+动词原形,21,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.,22,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

17、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，行为动词还原,Did 提到句首，行为动词还原,23,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 always in 1897 three times a week,一般现在时 一般过去时 现在进行时,24,小小测试,判断时态形式：,He always likes playing the piano.( ) We are ha

18、ving an English classes now.( ) They often go home late.( ) Lucy danced the disco at the party 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

19、过去时,A,B,C,A,B,B,C,C,C,25,He is a teacher.,2. Kangkang comes from China.,3. I usually take the bus to work.,4.They 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 usuall

20、y take the bus to work? I dont usually take the bus to work.,Are they having classes? They arent having classes.,Did Jane play the guitar last night? Jane didnt play the guitar last night.,句型变化操练,26,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) books. 7. There _(is) a football match yesterday after