(单词翻译:单击)
This is Everyday Grammar. I'm Kaveh. And I'm Lucija.
欢迎收看《每日语法》栏目,我是卡维,我是露西佳 。
I read a science story the other day and it said,
前几天我读了一篇科学报道,上面写着
"Researchers have discovered important relationships between different types of animals"
“研究人员发现了不同种动物之间的重要关系”
I see where you are going with this. The writer used the present perfect tense!
我明白你的意思了 。作者用了现在完成时 。
Right! Why would the writer use the present perfect tense?
没错!为什么作者要用现在完成时呢?
English speakers use the present perfect tense to talk about actions or states that happened in the past.
讲英语的人用现在完成时态来谈论过去发生的动作或状态 。
These actions or states continue into the present, or they are still important in the present.
这些动作或状态持续到现在或对现在仍很重要 。
You will often see verbs of discovery used in the present perfect tense, particularly in academic writing.
你经常会看到动词discovery使用现在完成时,尤其是在学术写作中 。
Writers use these verbs to tell about past research or studies.
作者用这些动词来讲述过去的研究 。
These results continue to be important.
这些结果仍然很重要 。
So that is why the science writer wrote:
这就是为什么科学作家写
"Researchers have discovered important relationships between different types of animals"
“研究人员发现了不同种类动物之间的重要关系”
Common discovery verbs that are frequently used in the present perfect tense include:
经常使用现在完成时态的常见发现动词包括:
discover, find, show and reveal.
discover, find, show和reveal
Do you know how to make the present perfect tense of these verbs?
你知道这些动词的现在完成时态吗?
discover-have discovered, find-have found, show-have shown, reveal-have revealed.
discover-have discovered, find-have found, show-have shown, reveal-have revealed.
And that's Everyday Grammar.
以上就是今天的全部内容 。