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