单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,四种时态讲解,四种时态讲解,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(五年级下),四、一般过去时(五年级下),小学的时态分几种?一、现在进行时(四年级下),过去,现在,将来,一,般,过,去,时,一,般,现在时,现在进行时,一,般,将来时,时间轴,过去现在将来一一现在进行时一时间轴,一、一般过去时,一、一般过去时,3、基本结构:,be动词(注意be的人称变化,单数用,was,,复数用,were,),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(动词过去式规则变化和不规则变化),I,visited,my grandparents yesterday.,3、基本结构:be动词(注意be的人称变化,单数用was,,1,)动词过去式规则变化,1)动词过去式规则变化,2,),动词过去式不规则变化要牢记:,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-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 begin-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 think-though,2)动词过去式不规则变化要牢记:am,is-was are,二、一般现在时,二、一般现在时,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,),on Sundays,etc.,3、基本结构,:,be,动词,(is/am/are),;,行为动词,(,基本用原形,但主语三单动词要加,s/es),e.g:,I,am,a teacher,.(,现在的状态,),He,goes,to school,every,day,.,Katie,often,has,breakfast,at 7:15,.,The earth,moves,around the sun.(,科学事实或真理,),一般现在时:,一般现在时常以,动词原形,表示,但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,。,一般现在时常以动词原形表示,但当主语是第三人称时,谓语动词要,动词第三人称变化规则:,动词第三人称变化规则:,三、现在进行时,三、现在进行时,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+,动词,ing,(也叫现在分词),(主语不同,,be,的形式也不同),Look,!,It,is raining,outside.,Listen!She,is singing,an English song.,We,are reading,storybooks now.,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,,现在分词的变法规律:,1、一般在动词词尾加上-ing,E.g.jump-jumping,2、以,不发音,字母,e,结尾的动词,先去e,再加-ing.have-having,/,write-writing,/dance-dancing/,take-taking/make-making/come-coming,3、,重读闭音节,结尾的词,,双写尾字母,,,再加上-ing.,sit sitting,/,put-putting,/swim-swimming/,run-running/skip-skipping/hop-hopping,现在分词的变法规律:1、一般在动词词尾加上-ing,E.g,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+动词原形;(be有人称变化),2)will+动词原形.,3)shall 动词原形(第一人称),I,m going to,have,a picnic,this weekend,.,Tomorrow,will,be,Mid-Autumn Festival.,We,will eat,mooncakes,.,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,口头小结一下:,口头小结一下:,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?,课后思考与讨论1、四种时态的肯定句如何转化为否定句?,