PEP小学英语总复习—四种时态的区分与运用教案.pptx

会计学1PEP小学英语总复习小学英语总复习四种时态的区分与四种时态的区分与运用运用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：互动式探究学习第1页/共24页小学的时态分几种？小学的时态分几种？n n一、现在进行时（四年级下）n n二、一般现在时（五年级上）n n三、一般将来时（五年级上）n n四、一般过去时（六年级上）第2页/共24页一、现在进行时一、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：look 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.第3页/共24页现在分词的变法规律：现在分词的变法规律：n n1、一般在动词词尾加上-ing,E.g.jump-jumpingn n2、以不发音字母e结尾的动词，先去e，再加-ing.E.g.have-having write-writingn n3、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第4页/共24页1.I _(write,am writing,is writing,are writing)a letter 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.第5页/共24页二、一般现在时：二、一般现在时：1 1、概念、概念：经常、反复发生的动作或行为及现在的某种状况。2 2、标志词：、标志词：always,usually,often,sometimes,every week(day,year,month),once a week,on Sundays,etc.3 3、基本结构、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第6页/共24页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-s/es。除此之外都用动词原形。第7页/共24页动词第三人称单数形式变化规则 第8页/共24页规则规则例子例子一般在词尾加一般在词尾加-s-sPlayPlayplays plays leaveleaveleavesleavesswimswimswimsswims以字母以字母s,x,ch,sh,os,x,ch,sh,o结尾的词结尾的词加加-es-es，读，读/iz/,/iz/,如果动词原形如果动词原形词尾已有词尾已有e,e,则只加则只加-s-s。pass pass passes passes fixfixfixesfixesteachteachteaches teaches wishwishwisheswishesdododoesdoes以辅音字母加以辅音字母加y y结尾的词结尾的词，先变，先变y y为为i,i,再加再加-es,-es,读读/z/z/studystudystudies studies carrycarrycarriescarriesflyflyfliesflies第9页/共24页1.1.He_(be,am,is,are)a teacher at No.2 Middle School.2.2.He_(have,has)classes in the afternoon.3.3.He_(get,gets)up at half past six every morning.4.4.He always _(come,comes)to school on time.5.5.He _(study,studies)very hard at his lesson.6.6.One and two _(be,is,are)three.7.7.Blue and yellow _(make,makes)green.8.8.The earth _(move,moves)round the sun.第10页/共24页三、一般将来时三、一般将来时1、概念：表示将要发生的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.第11页/共24页1、There _some showers this afternoon.A will be B will have C is going to be D are going to have 2、It _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 第12页/共24页四、一般过去时第13页/共24页1 1、概念：、概念：过去过去某个时间里发生的动某个时间里发生的动作或状态；作或状态；过去过去习惯性、经常性的动习惯性、经常性的动作、行为。作、行为。2、标志词：1）yesterday或以其构成的短语：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等第14页/共24页3、基本结构：、基本结构：n nbe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 were in the classroom yesterday morningn n行为动词第15页/共24页动词过去式形式变化规则 第16页/共24页构成规则构成规则例子例子一般在动词原形末尾加-edlooklooked playplayedworkworked结尾是e的动词在末尾加-dlikeliked livelivedhopehoped末尾只有一个辅音字母的重读闭音节，先双写这个辅音字母，再加-edplanplanned stopstoppeddropdropped结尾是“辅音字母y”的动词，先变“y”为“i”再加-edstudystudied worryworriedcrycried第17页/共24页不规则动词过去式不规则动词过去式n n过去时练习：写出下列动词的过去式n nisam_ fly_ plant_ n nare _ drink_n nplay_ go_ make _ does_ dance_n nworry_ ask _ 第18页/共24页n nam,is-was are-were do-did see-saw,say-said give-gave get-got go-went come-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,came have-had,eat-ate take-took,run-ran,sing-sang put-put,n nmake-made,read-read write-wrote,draw-drew,drink-drank,fly-flew,ride-rode make-made,read-read write-wrote,draw-drew,drink-drank,fly-flew,ride-rode speak-spoke sweep-swept,buy-bought swim-swam,sit-sat bringbrought can-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 could cut-cut become-became begin-began draw-drew feel-felt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt forget-forgot hear-heard keep-kept know-knew learn-learnt（learnedlearned）leave-left leave-left let-let lose-lostlet-let lose-lostn nmeet-met sleep-slept teach-taught tell-told write-wrote wake-woke think-thoughmeet-met sleep-slept teach-taught tell-told write-wrote wake-woke think-though第19页/共24页1.1.He_(be,was,were,been)here a moment ago.2.2.They _(be,was,were,been)here just now.3.3.The scientists _(leave,leaves,leaved,left)for America yesterday.4.4.Last week we _(visit,visited)the Science Museum.第20页/共24页历年真题历年真题n n例1（2012年小升初大联盟考试考题）n n1、Ann often _(watch)TV at home,She _(watch)again last nightn n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edn n标准答案watches watched第21页/共24页真题回顾真题回顾n n1 1、_(not eat)in the library,Tonny._(not eat)in the library,Tonny.n n2 2、_ your dad often _(water)the flowers on _ your dad often _(water)the flowers on weekdays.weekdays.n n3 3、Be quiet please,the children_(have)lesson in the Be quiet please,the children_(have)lesson in the classroom.classroom.n n4 4、She _(be)short in 2002,but now she _(look)She _(be)short in 2002,but now she _(look)taller.taller.n n5 5、Miss Chen _(start)from Macao two hours ago.All of the Miss Chen _(start)from Macao two hours ago.All of the students_(wait)her here now.students_(wait)her here now.第22页/共24页课后思考与讨论课后思考与讨论n n1、四种时态的肯定句如何转化为否定句？n n2、四种时态的肯定句如何转化为一般疑问句？n n3、四种时态的肯定句如何转化为特殊疑问句？第23页/共24页