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
2、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.,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 wri
3、ting, 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 ti
4、me.,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。 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. H
5、e_(be, am, is, are) a teacher at No. 2 Middle School. 2. He_(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 yel
6、low _(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
7、.,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 be 3、Li Ming is 10 years old now, next year he _1
8、1. 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：jus
9、t 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 morning They were 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
10、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-read 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 beg
11、in-began draw-drew feel-felt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt （learned） leave-left let-let lose-lost meet-met sleep-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 j
12、ust 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 often _ (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 nig
13、ht，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？,
