2023年中考英语复习现在完成时课件

现在完成时 By Jane 谓语动词的构成: have/ has +动词过去分词 现在完成时表示的意义 1) 表示到现在为止已经完成或刚刚完成的动作。 Now we have planted all the trees. He has just come back. 2) 表示过去发生的动作, 但强调结果或对现在的影响。 Have you had your supper? I have read the book twice already. 在以上两种用法中常跟already, yet, never, just, before, ever, recently等副词连用。 3) 表示过去已经开始, 持续到现在, 也许还会继续下去的动作或状态,常与包括现在在内的一段时间的状语连用。 He has studied English for 6 years. I have lived in Beijing since 2008 for+一段时间 since+过去点时间 Since+一段时间+ago Since+从句(从句用一般过去时) 谓语只可用延续性动词. I’ve lived here for 8 years. I’ve lived here since 2008. I’ve lived here since 8 years ago. I’ve lived here since I was born 短暂性动词和延续性动词(前面为短暂性动词) leave= be away from begin= be on arrive= be in borrow= keep buy=have die =be dead marry =be married 这本书露西已经借了一个月了 Lucy has kept the book for a month. 他们结婚十年了 They have been married for ten years. 他爷爷已经去世五年了 His grandpa has been dead for five years. 4) have gone to 与have been to的区别: have gone to:“去了某地”,表示某人在路上, 或者在目的地;已不在原地。 have been to:“曾去过某地” , 说话时人已不在某地了,已经回来。 He has been to Xi’an twice. 他曾经去过西安两次。(已经回来了) You can’t find him. He has gone to Xi’an. 你找不到他。他去西安了。(还没回来) 现在完成时与一般过去时的区别 现在完成时属于现在时态的范围,不能和表示过去的时间状语连用,如yesterday,last night,three weeks ago,in1990等.而一般过去时只表示过去的动作或状态,和现在不发生关系。 I have seen the film twice. I saw the film last week. He has lived here since 1993. He lived here in 1993. 过去分词的构成 1.直接加-ed。如:play-played 2.以辅音字母加y结尾的,变y为i加ed。 如:carry-carried 3.以字母e结尾的直接加d 。如:name-named 4.重读闭音节且末尾只有一个辅音字母,双写这个辅音字母再加-ed。如:stop-stopped 现在完成时 句型 肯定句 现在完成时的肯定句式是“have(has)+过去分词 注意:该句式中的have或has是助动词,has用于第三人称单数,其它人称一律用have。 I have eaten my lunch. She has eaten her lunch. He has eaten his lunch. 疑问句 现在完成时的一般疑问句式是把助动词have或has提到主语之前。 (回答用“Yes,...have(has)./“No,...haven’t(hasn’t).” ) Have you known Sandy for a long time? Yes, I have/ No, I haven’t. know-known Has she eaten anything since 9:00 a.m? Yes, she has/ No, she hasn’t. eat-eaten I have not (haven’t) seen the film. She has not (hasn’t) seen the film. 现在完成时的否定形式: have not (haven’t) +过去分词 has not (hasn’t