【看漫画学语法】现在完成时(三)课件

1、现在完成时（三）现在完成时（三）现在完成时结构肯定句：主语 + have/ has + 过去分词+.否定句:主语+havent ( have not) +过去分词 主语+hasnt ( has not ) +过去分词.疑问句:Have / Has+主语+过去分词.?I havent had my dinner. I have had my dinner. 结构Have you had your dinner? 现在完成时结构肯定句：主语 + have/ has + 过去现在完成时用法表示到现在为止已经完成或刚刚完成的动作。表示过去发生的动作,强调结果或对现在的影响。表示从过去开始并持续到现在的

2、动作或状态。I have already lost the key. They have built many buildings in this city. 用法He has lived in Shanghai for five years.现在完成时用法表示到现在为止已经完成或刚刚完成的动作。表示从易错点1since/for用法辨析since+表示过去的时间点since+ ago/last构成的时间短语since+ 从句（一般过去时）John has been a football player since 3 years ago.Hehaslived in China since 199

3、2.sinceTom has lived in America since he was a little child.易错点1since/for用法辨析since+表示过去的时间for+ 时间段forHe has kept the book for 2 weeks.forHe has kept the book for 2 易错点2非延续性动词转化为延续性动词短暂性动词不能用于完成时，被称为非延续性动词。为了表述这种意思，我们常用相应的延续性动词来代替非延续性动词。buy, borrow, arrive, come, die, fall, go, join, leave等。常见的非延续性动词

4、易错点2非延续性动词转化为延续性动词短暂性动词不能用于完成时他入党五年了。He joined the Party five years ago .He has been in the Party for five years.He has been a Party member for five years.他入党五年了。He joined the Party fiv转化规律beginbe onreturnbe backleavebe away fromjoinbe ingobe offdiebe deadcomebe herearrivebe hereborrowkeepbuyhave转化规

5、律beginbe onreturnbe backleaThe football match began at 9:00 a.m.The football match has been on since 9:00 a.m.My teacher left Nanjing 3 days ago.My teacher has been away from Nanjing for 3 days.The football match began at 9:请找出漫画中现在完成时表达的句子！仔细理解画圈单词的含义并推测他们的用法。看漫画找规律请找出漫画中现在完成时表达的句子！仔细理解画圈单词的含义并推Mr.

6、 and Mrs. Green have owned this house for fifty years.Mr. and Mrs. Green have owned They moved in on their wedding day and they have lived here ever since.They moved in on their weddingThe village has changed a lot during that time.The village has changed a lot But Mr. and Mrs. Green still love it. They have never wanted to live anywhere else.But Mr. and Mrs. Green still l典例1：用for或since填空Ive taken driving lessons _last month. We havent used our car _ a long time. since for典例1：用for或since填空Ive taken dri典例2Excuse me, when did you leave Jinzhou?In August, 2017. I _