present perfect是什么意思,present perfect的意思翻译、用法、同义词、例句
常用词典
现在完成时
例句
The present perfect is covered in Unit 8.
现在完成时在第8单元讲解。
'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.
I have eaten是动词eat的现在完成时;I had eaten是过去完成时;I will have eaten是将来完成时。
To grasp the usage of the present perfect tense.
掌握现在完成时态的用法。
Talk about the uses of the present perfect tense.
表示过去发生的事对现在仍有影响。
French tense to the present perfect tense in English.
法语中没有和英语的现在完成时完全对应的时态。
网络扩展资料
单词解释: Present Perfect 是英语中的一种时态,通常用于描述已经完成了的动作对现在造成的影响,或者强调动作发生的时间段一直延续到现在。
例句:
- I have lived in Beijing for five years.(我已经在北京住了五年了。)
- She has just finished her homework.(她刚刚完成了她的作业。)
- They have traveled to many countries.(他们去过很多国家。)
用法:
Present Perfect 通常由 'have' 或 'has' 和动词的过去分词构成,用于描述一个动作或状态已经完成,但与现在有关。它可以用于以下情况:
描述过去发生的事情对现在的影响,通常和时间段的表达方式一起使用,例如:for 时间段,since 时间点。
- I have studied English for 10 years.(我学英语已经10年了。)
- She has been a teacher since 201.(她自201年以来就是一名教师了。)
描述一个动作发生了多次,或者一个状态一直延续到现在。
- They have visited Paris three times.(他们去过巴黎三次。)
- I have known him for a long time.(我认识他很久了。)
描述一个刚刚完成的动作,通常和 'just' 连用。
- I have just finished my homework.(我刚刚完成了我的作业。)
近义词:
- Past Simple(过去时)
- Past Perfect(过去完成时)
反义词:
- Past Simple(过去时)