精选优质文档-倾情为你奉上现在完成时讲解现在完成时主要强调过去发生的动作对现在造成的影响,或过去发生的动作还未结束,一直持续到现在或将来,重点在于对现在的影响。一、基本结构:助动词have/has+(done)二、句型:肯定句:主语+have/has+过去分词+其他.否定句:主语+have/has+not+过去分词+其他.一般疑问句:Have/Has+主语+过去分词+其他.简略答语: Yes, 主语 + have/has.(肯定) No, 主语 + havent/hasnt.(否定)特殊疑问句:特殊疑问词+一般疑问句I have been in Qijiang for seven years.否:I havent been in Qijiang for seven years.疑:Have you been in Qijiang for seven years? Yes,I have./No,I havent.特殊疑问:How long have you been in Qijia