英语现在完成时语法详细讲解与配套习题一、现在完成时用来表示之前已发生或完成的动作或状态,但它的影响现在还存在;也可表示持续到现在的动作或状态。其构成: have (has) +过去分词。规则变化的过去分词与过去式的变化一样,在动词词尾加ed; 不规则变化的过去分词见不规则动词表,需要同学记忆。现以 see the film为例将现在完成时的肯定句,否定句和疑问句列表如下:肯定句: I/You/We/They have seen the film. He/She /It has seen the film. 否定句: I/You/We/They have not/ haven’t seen the film. He/ She/It has not/hasn’t seen the film. 疑问句: Have I/you/they seen the film Yes, you/ we/I/they have. No, you/ we/I/they haven’t. Has he/she/it seen the film Yes, he/ she/ it has. No, he/ she/ it hasn’t. 二、用法:现在完成时既涉及过去,又联系现在。标志词词义用法位置already已经肯定句句中或句末ever曾经疑问句、肯定句句中never从未,从来不陈述句,不和 not 连用句中(ever)since自从肯定、疑问、否定句中for后接一段时间肯定、疑问、否定句中just刚刚,正好肯定句句中yet还疑问句、否定句末recently最近肯定、否定、疑问句句末once, twice, a few times几次肯定、疑问句末during/over /in the past/last + 一段时间在过去的一段时间里肯定、疑问、否定句末It ’s the first time I ⋯这是我第一次⋯肯定句前用法一:表示过去发生或已经完成的某一动作对现在造成的影响或结果。常与just (刚刚), already (已经), never (从来没有), ever (曾经), before (以前), yet (仍然), once(一次), twice (两次),many times (很多次), how many times (多少次), so far (迄今为止),during the past (last )three years (最近三年来)等连用。※副词的位置:①just常用于肯定句中,放在have / has后, He has just come . ② never 表示否定 , 放在 have / has后, He has never visited the Great Wall. ③ ever 用于疑问句中 , 句型为 : Have / Has+主语+ ever +过去分词“⋯曾经⋯⋯过吗”用于询问某人过去的经历。 Have you ever been to the farm④ before 用于句末, The woman has never heard of that...