unit-8现在完成时与现在完成进行时市公开课一等奖省赛课微课金奖课件.pptx

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,*,现在完成时与现在完成进行时,1/4,当句子带有表示一段时间状语时，两种时态往往没大差异,They,have been working,very well,this term,.这学期他们学习很好。They,have worked,very well,this term,.,It has been raining for two hours.下了两个小时雨。It has rained for two hours.,强调时间长度用完成进行时比很好：Ive been coughing all night.我咳了一整夜。（比Ive coughed all night.更能强调咳得久）,2/4,当句子没有时间状语时，现在完成时表示动作业已完成，而完成进行时却不一定如此：,Ive made a cake.我做了一个蛋糕。（已做好）Ive been making a cake.我一直在做一个蛋糕。（不一定做好了）,Shes painted a picture.她画了一幅画。（已画好）Shes been painting a picture.她在画一幅画。（可能还没画好）,Theyve built a bridge.他们建了一座桥。(已建好)Theyve been building a bridge.他们一直在建一座桥。（可能还在建）,Hes written a novel.他写了一部小说。（已完成）Hes been writing a novel.他在写一部小说。(可能还未完成),3/4,许多静态动词都只能用于完成时而不能用于完成进行时：Ive known that for a long time.这事我已经知道很久了。The strike has lasted six months.这次罢工已经连续了6个月。Nobody has seen him since last week.从上周起就没人见到过,4/4,