本文目录
过去现在时是英语中比较常见的一种时态,它用于表示一个动作或状态在过去开始,一直持续到现在,或者与现在有关联。为了更好地理解和使用这种时态,我们需要掌握一些标志词。
过去现在时的概念
过去现在时(Present Perfect)是由“have/has + 过去分词”构成的,用于表示过去发生的动作或状态对现在产生的影响。
例如:
- I have lived in Beijing for 2 years. (我在北京住了两年了。)
- She has worked in this company since 2010. (她自2010年以来一直在这个公司工作。)
过去现在时的标志词
以下是常见的过去现在时的标志词:
表示时间段的标志词
- for + 时间段 (表示一段时间)
- since + 时间点 (表示从某个时间点开始)
例如:
- I have studied English for 5 years. (我学英语已经五年了。)
- He has been married since 2010. (他自2010年以来已经结婚了。)
表示经历或经验的标志词
- ever (曾经)
- never (从未)
- already (已经)
- yet (还)
- just (刚刚)
例如:
- Have you ever been to New York? (你去过纽约吗?)
- I have never seen such a beautiful sunset before. (我从未见过如此美丽的日落。)
- She has already finished her homework. (她已经完成了她的作业。)
- Have you finished your report yet? (你的报告做完了吗?)
- I have just received an email from my boss. (我刚刚收到了老板的邮件。)
表示结果或影响的标志词
- so far (到目前为止)
- up to now (到现在为止)
- recently (最近)
- lately (最近)
- in the past (过去)
- by now (到现在为止)
- by the time (到...的时候)
例如:
- So far, I have not received any news from the company. (到目前为止,我没有收到公司的任何消息。)
- Up to now, we have finished 50% of the project. (到现在为止,我们已经完成了项目的50%。)
- I have recently started to learn French. (我最近开始学法语。)
- Lately, the weather has been very hot. (最近天气很热。)
- In the past, I used to hate vegetables, but now I love them. (过去我讨厌蔬菜,但现在我喜欢它们。)
- By now, everyone has finished the exam. (到现在为止,每个人都完成了考试。)
- By the time we arrive, the party will have started. (到我们到达的时候,派对已经开始了。)
小结
过去现在时是英语中常用的一种时态,用于表示过去的动作或状态对现在的影响。为了更好地掌握和使用它,我们需要掌握一些常见的标志词。通过这些标志词的使用,我们可以更加准确地表达我们的意思,增加英语表达的流畅度和准确性。