2025秋外研版八上英语【Unit1-6】单元语法及专项训练（共6份，含答案）

2025秋外研版八上英语Unit 1 现在完成时 (1) 首先请看下面的句子： I have seen the film. I do not want to see it again. 这部电影我已经看过了，不想再看了。 I have entered lots of competitions. 我参加过很多比赛。 Have you ever won any prizes before 你以前得过奖吗？ My aunt has travelled all over the world. 我姑姑已经周游了世界。 Many people have agreed to help us. 许多人都同意帮助我们。 以上句子的谓语有一个共同的特点，就是由 “have /has + 动词的过去分词” 构成，我们把这种时态称为 “现在完成时”。现在完成时表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响，如 (1) 表示看过电影了，对电影比较熟悉，不想再看了；还可以表示到目前为止已经完成的事情，如 (4)。 我们可以从上面的例句中推知现在完成时的各种句型，具体请看下表： 人称 肯定句 否定句 疑问句及回答 I have not I have seen (haven't) seen — Have you seen the the the questionnaire in this questionna questionnaire newspaper 第一人称 ire in this newspaper. We have in this newspaper. We have not Yes, I have. / No, I have not (haven't). Have you travelled travelled (haven't) around the world around the travelled — Yes, we have. / No, we world. around the have not (haven't). world. 人称 肯定句 否定句 疑问句及回答 第二人称 You have been to England. You have not (haven't) been to England. Have you been to England Yes, I / we have. / No, I / we have not (haven't). 第三人称 He / She has been to Los Angeles. They have given concerts all over the world. He / She has not (hasn't) been to Los Angeles. They have not (haven't) given concerts all over the world. Has he / she been to Los Angeles Yes, he / she has. / No, he / she has not (hasn't). Have they given concerts all over the world Yes, they have. / No, they have not (haven't). 现在完成时中除第三人称单数形式用 “has /has not (hasn't) + 动词的过去分词”以外，其他人称都用 “have /have not (haven't) + 动词的过去分词” 形式。 大部分动词过去分词的变化方式是规则的，但是有一部分动词的变化是不规则的，同学们需要记住它们的不规则变化形式。例如： be – was /were – been find – found – found do – did – done have – had – had eat – ate – eaten make – made – made go – went – gone let – let – let see – saw – seen put – put – put 现在完成时常与 just, already 或 yet 等表示时间的状语连用。例如： I have just heard the news. 我刚听到消息。 Astronauts have already been to the moon. 宇航员已经去过月球了。 We have just started to explore other planets. 我们才刚刚开始探索其他行星。可以看出，just 用来表示 “刚刚”，already 用来表示 “已经”，两者都用于肯定句中，一般是置于 have /has 之后。在否定句中则可以用 yet，表示 “还未”， 有 “以后可能会” 的含义。例如： The scientists have not heard from it yet. 科学家还没有收到它发出的信息。 Man has not discovered any life in space yet. 人类尚未在太空中发现任何生命。 另外，在使用现在完成时的时候，要注意它与一般过去时的区别。现在完成时在表达经历时只表示该事件是在现在之前的某一个时间里发生的，重点在于已完成动作对现在的影响。而一般过去时则表示在过去某一具体时间发生的事情。例如： I have just been to London. I went there last m ... ...