PEP英语六年级下册第三单元复习课件.pptx

第三单元复习动词原形 过去式watchwatchedwashwashedcleanedcleanplayplayedvisitvisited动词原形 过去式climbclimbedlearnlearnedrowrowedcookcooked一般在动词末尾+ed动词原形 过去式stopstopped末尾只有一个元音和一个辅音的重读闭音节，双写末尾辅音字母+ed动词原形 过去式carrycarriedstudystudied以辅音字母+y结尾的词，变y为i+ed动词原形 过去式tastetasteddancedanced以e结尾的词,直接+d不规则动词过去式dodidgowentreadreadsingsangseesawateeatgetgot动词过去式变化规则1、一般情况下直接在动词后面+ed如：watch-watched play-played2、 词尾是e的单词直接+d如：dance-danced3、以元音+辅音字母结尾的词，双写末尾辅音+ed如：stop-stopped4、以辅音字母+y结尾的词，变y为i+ed如：study-studied5、特殊动词的变化形式要特别记住如：do-did eat-ate等练习1.read 2.swim3.go 4.take 5.sing 6.eat7.buy 8.dance9.do 10.see readswamwenttooksangateboughtdanceddidsaw短语go swimming---go to a park----go fishing-----go hiking-----went swimmingwent to a park went fishingwent hiking给出下列词的过去式row a boattake picturesbuy presentseat good foodplay footballsing and dancerowed a boattook picturesbought presentsate good foodplayed footballsang and danced一般过去式一般过去时：用来描述过去某个时间发生的动作或存在的状态。过去时间：yesterday , last week , last weekend , last year , last Sunday ,ago等。如: I got up at six yesterday. 1 含有be动词的一般过去时 ⑴am 和is在一般过去时中变为was。 ⑵are在一般过去时中变为were。Wu Yifan was busy last weekend. 2含有行为动词的一般过去式 主语+动词过去式+其他 如：I watched TV yesterday.一般过去时否定句1、句中带有was或were的句子，（was not=wasn’t） （were not=weren’t）She wasn’t busy last week.2、句中为行为动词的句子要用 didn’t +动词原形不管主语是什么都用。I didn’t watch TV yesterday. 一般过去时一般疑问句1、句中带有was或were的句子把was或were提到句首。Was Wu Yifan busy last week?2、句中为行为动词的在句首加did，句子中的动词过去式变回原形。如：Did Jim go home yesterday?一般过去时特殊疑问句特殊疑问句：疑问词+did+主语+动词原形？ 如： What did Jim do yesterday?练习I went to park last weekend.否定句：一般疑问句：特殊疑问句：I didn’t go to park last weekend.Did you go to park last weekend?What did you do last weekend?练习Tom and Mary (come) to China last month.There (be) no one here a moment ago.Tom (begin) to learn Chinese last year.She