Presented ByPresented ByHarry Mills /Harry Mills / PRESENTATIONPRO PRESENTATIONPROPresented ByPresented ByHarry Mills /Harry Mills / PRESENTATIONPRO PRESENTATIONPRO•一、教学重点：•1. 现在完成时•2. 课文解析。Presented ByPresented ByHarry Mills /Harry Mills / PRESENTATIONPRO PRESENTATIONPRO•二、具体内容。•（一）现在完成时：•1. 表示到现在为止已经完成的动作，强调动作的结果和对现在的影响。常与 just, yet, already, ever, never 等时间状语连用。•e.g. I have already done my work. （说明不用再工作了）•I have become a soldier. （我过去当上了兵，现在仍是兵）Presented ByPresented ByHarry Mills /Harry Mills / PRESENTATIONPRO PRESENTATIONPRO• 2. 表示过去已经开始，持续到现在仍未结束，并含持续到将来的意思。此用法经常与一些表示一段时间的时间状语连用。如： today, recently, lately, since, during/in the past two days, this week, these days, so far, for a long time…• e.g. We have waited for the whole day. （现在仍然在等）Presented ByPresented ByHarry Mills /Harry Mills / PRESENTATIONPRO PRESENTATIONPRO•3. 构成：主语 + have/has +done…• I have written a postcard to my friend.• She has lived here since she was born.• 4. have/has been to 和 have/has gone to 的区别：• have/has been to 表示“去过某地”，表明说话人的一种经历，可以与“ once, several times, ever, never” 连用。• e has been to Shanghai three times.• have/has gone to 表示“去了某地”，表明主语已在去某地的路上或已到达某地。一般只能用于第三人称，不能与上述时间状语连用。• He has gone to Shanghai.Presented ByPresented ByHarry Mills /Harry Mills / PRESENTATIONPRO PRESENTATIONPRO•5. 过去分词的构成• 规则变化：与动词过去式的规则变化相同，即在词尾加 ed• work-worked-worked move-moved-moved stop-stopped-stopped• study-studied-studied• 不规则变化：•1 ）动词原形，过去式，过去分词三种形式完全相同。•put-put-put hurt-hurt-hurt cut-cut-cut shut-shut-shutPre...
