I have seen the changes in beijing .这是属于现在完成时中的哪种用法?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/29 15:38:55

I have seen the changes in beijing .这是属于现在完成时中的哪种用法?
还是?

I have seen the changes in Beijing 是一个表示“到目前为止”的一个状态,并没有特别强调“持续”的概念.如果想强调持续的意思,可以说：
I have been seeing the changes in Beijing.
再问：到目前为止不是从过去到现在吗，不是持续吗。现在进行时不是只有四种用法吗？影响持续反复和表将来。请专家再回答啊。加点悬赏
再答：如果你把“持续”理解成从过去某一时间点到目前的状态，说现在完成时表“持续到说话时为止”也未尝不可。但现在完成时真正表达持续，并且到说话时仍然在进行的“持续”，应该用完成进行时。完成进行时的概念是从过去某一时间点到说话时“并未结束”的意思。

I have seen the changes in beijing .这是属于现在完成时中的哪种用法? she has seen the changes in Beijing herself 你能从这句话里找出句型吗?--- 为什么over the years用现在完成时而it 's about changes in Beijing over he is the tallest man I have ever seen.请问句中的I have ever seen I have already seen it.不是过去的事情吗?怎么会是现在完成时? In the past three years there great changes in Beijing. the changes in Beijing over the past 100 I have already seen that.中的already为什么放在这.I haven't seen that I have been to Beijing twice 为什么用现在完成时 I＂m in Beijing this year.的现在完成时 I will meet my friend in Beijing改为现在完成时 I'm in Beijing this year.（改为现在完成时）