“There has been great changes in computers in the last few year”

~ 是There
be
结构的现在完成时。一般时态情况下是：There
is
great
changes
in
computers.在计算机领域有很大变化。而加上了in
the
last
few
years,
表示在过去的几年里已经发生了很大变化，需要用现在完成时，所以变成了there
has
been...

---

崇义县18331178318： there has been的用法 - ？
郟疮胃力：[答案] 还原了就是there be,它是there be的完成时结构.具体说来就是某地某时曾经有某物 there has been 和there have been区分主要是根据后面所接的词来判断,has则跟单数名词和不可数名词.have的跟复数名词.

崇义县18331178318： There be 句型的 there has been 是怎么用的,什么意思 - ？
郟疮胃力： there has been... 是 there be句型的现在完成时结构.

崇义县18331178318： 不是说there后面不能跟have吗?那为啥有there have been - ？
郟疮胃力： have(has)表示“有”时不能用于there be 句型. 但是,there be 句型可以用现在完成时,即there have (has) been +主语.例如: 1、There are two books on the desk. 书桌上有两本书. 2、There has been a rapid decrease in traffic accidents ...

崇义县18331178318： there 不是不可以与have 连用吗 - ？
郟疮胃力： 老师通常讲there不可以和have连用,那是因为我们在学there be倒装结构的时候还没有接触到现在完成时.当表示“有...东西”的时候,绝对不可以用there have,这是一种中式思维.而我们经常碰见＂there have + 动词完成时”,这里的have并不表示“有...东西”,而是there后面所跟的动词的完成时态.e.g. There existed roaches in ancient times.古代有蟑螂.c.f. There have existed roaches since ancient times. 从古至今一直都有蟑螂的存在.楼主可以比较一下这两个句子的意思,应该就可以明白的.

崇义县18331178318： there has been后面是接doing吗? - ？
郟疮胃力： has been doing 是现在完成进行时一、结构 I/ we/ you/ they have been doing sth he/ she/ it has been doing sth 二、主要用法表示从过去某时开始一直持续到现在的动作,并且还将持续下去.eg He has been working here for 2 years. 表示在说话时刻之前刚刚结束的动作.eg.I have been waiting for you for 2 hours.我已经等你两个钟头了.(动作不再继续下去)现在完成进行时需注意的是其与现在完成时的区别

崇义县18331178318： there has been的用法? - ？
郟疮胃力： 恩~名词~名词性短语~名词性从句~都可以加

崇义县18331178318： there have been怎样用 - ？
郟疮胃力： there have been,意思是＂曾经有＂,是there be句型的现在完成时态形式,此时be后主语为复数名词,如果be后主语为单数名词,则应为there has been 如 There have been some encouraging signs over the past couple of months.在过去的几个月里有一些令人鼓舞的迹象.There has been a singer playing guitar at the bar for many months.曾经有个歌手在酒吧里弹了几个月吉他.

崇义县18331178318： there have been 句型是表什么的,也是＂有＂的意思吗 - ？
郟疮胃力： there be 句型完成时

崇义县18331178318： 开机显示 there has been a signature failure 是啥问题引起的? - ？
郟疮胃力： 一、开机显示 there has been a signature failure :提示的意思是“出现签名错误”,是数字签名的问题. 二、解决方法: 1.修复一下引导分区试一下. 2.在dos下用fdisk /mbr就可以,或进入dos运行diskgenus 重建引导记录试一下. 3. 如果不行用DM低格硬盘重新装系统.

崇义县18331178318： there 后跟HAVE BEEN还是HAS BEEN 呢？
郟疮胃力： 您好! 需要看there 需要表达的对象是个体还是复数 例如:there have been many ducks in the river 曾经有许多鸭子在河里 there has been a duck in the river 曾经有一只鸭子在河里 请采纳,谢谢!