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1、PEP小学英语时态专题一四种时态的区分,陈剑平,1、说学生：六年级上学期基础中上的状元班学员或 一对一学员。2、说教材：现在进行时、一般现在时、一般将来时已在六年级之前学了，但很多同学未能完全 掌握。六年级上册U10出现了一般过去时，学生 处于初学阶段。3、教学重点：学生能区分，并掌握四种时态的标志词和基本结构。4、教学难点：易错点的分析讲解。5、说学法：互动式探究学习,小学的时态分几种？,一、现在进行时（四年级下）二、一般现在时（五年级上）三、一般将来时（五年级上）四、一般过去时（六年级上）,一、现在进行时,1、概念：现在（说话的瞬间）正在进行或发生的动作，强调“此时此刻”。2、标志词：lo
2、ok 看；listen听；now现在；3、基本结构：be+doing（注意：人称不同，be的形式也不同）E.g.He is reading.They are talking now.,现在分词的变法规律：,1、一般在动词词尾加上-ing,E.g.jump-jumping2、以不发音字母e结尾的动词，先去e，再加-ing.E.g.have-having write-writing3、重读闭音节结尾的词，要先将词尾的辅音字母双写，再加上-ing.E.g.sit sitting put-putting,1.I _(write,am writing,is writing,are writing)a l
3、etter now.2.Look,it _(begin,is beginning,am beginning,are beginning)to rain.3.They _(study,is studying,am studying,are studying)medicine at the Medical Institute of Chengde these days.4.He _(teach,am teaching,is teaching,are teaching)an English lesson at this time.,二、一般现在时：1、概念：经常、反复发生的动作或行为及现在的某种状况
4、。2、标志词：always,usually,often,sometimes,every week(day,year,month),once a week,on Sundays,etc.3、基本结构：be动词；行为动词e.g：He goes to school every day.They go to school every day.He is a teacher,当主语是第三人称时，谓语动词要用第三人称单数形式，加-s/es。除此之外都用动词原形。,动词第三人称单数形式变化规则,1.He_(be,am,is,are)a teacher at No.2 Middle School.2.He_(
5、have,has)classes in the afternoon.3.He_(get,gets)up at half past six every morning.4.He always _(come,comes)to school on time.5.He _(study,studies)very hard at his lesson.6.One and two _(be,is,are)three.7.Blue and yellow _(make,makes)green.8.The earth _(move,moves)round the sun.,三、一般将来时,1、概念：表示将要发生的
6、动作或存在的状态及打算、计划或准备做某事。2、标志词：tomorrow,next day(week,month,year),soon,the day after tomorrow（后天）等。3、基本结构：1）be going to+do；（be有人称变化）2）will+do.3）shall do（第一人称）e.g：Im going to have a picnic this weekend.,1、There _some showers this afternoon.A will be B will have C is going to be D are going to have 2、It _
7、my brothers birthday tomorrow.She _a party.A is going to be;will have B will be;is having C will be;is going to have D will have;is going to be3、Li Ming is 10 years old now,next year he _11.A is B is going to be C will be D will to be,四、一般过去时,1、概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。2、标志词：1）yesterday或以其
8、构成的短语：yesterday morning(afternoon,evening)等；2)由“last+一时间名词”构成的短语：last night,last year(winter,month,week)等；3)由“时间段+ago”构成的短语：a moment ago,a short time ago,an hour ago等；4)其它：just now等,3、基本结构：,be动词（注意be的人称变化，用过去式）I was in the classroom yesterday morning He was in the classroom yesterday morningThey wer
9、e in the classroom yesterday morning行为动词,动词过去式形式变化规则,不规则动词过去式,过去时练习：写出下列动词的过去式isam_ fly_ plant_ are _ drink_play_ go_ make _ does_ dance_worry_ ask _,am,is-was are-were do-did see-saw,say-said give-gave get-got go-went come-came have-had,eat-ate take-took,run-ran,sing-sang put-put,make-made,read-rea
10、d write-wrote,draw-drew,drink-drank,fly-flew,ride-rode speak-spoke sweep-swept,buy-bought swim-swam,sit-sat bringbrought can-could cut-cut become-became begin-began draw-drew feel-felt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt（learned）leave-left let-let lose-lostmeet-met s
11、leep-slept teach-taught tell-told write-wrote wake-woke think-though,1.He_(be,was,were,been)here a moment ago.2.They _(be,was,were,been)here just now.3.The scientists _(leave,leaves,leaved,left)for America yesterday.4.Last week we _(visit,visited)the Science Museum.,历年真题,例1（2012年小升初大联盟考试考题）1、Ann oft
12、en _(watch)TV at home,She _(watch)again last night这题考察动词的时态。第一个空，关键词是often 和Ann，判断应该用一般现在时的第三人称单词。Watch后加es。第二个空，关键词last night，判断应该用一般过去时，Watch后加ed标准答案watches watched,真题回顾,1、_(not eat)in the library,Tonny.2、_ your dad often _(water)the flowers on weekdays.3、Be quiet please,the children_(have)lesson in the classroom.4、She _(be)short in 2002,but now she _(look)taller.5、Miss Chen _(start)from Macao two hours ago.All of the students_(wait)her here now.,Dont eat,Dose,water,are having,was，looks,started,are waiting for,课后思考与讨论,1、四种时态的肯定句如何转化为否定句？2、四种时态的肯定句如何转化为一般疑问句？3、四种时态的肯定句如何转化为特殊疑问句？,
