there have been a great number of accidents lately.这句话不加been

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/08/04 05:49:22

there have been a great number of accidents lately.这句话不加been行么?

不行再答：因为有have的是完成时
再答：所以句子中动词要用完成时
再答：即been
再问：把have been 换成are呢？
再答：是is
再答：不能are。因为单数
再答：望采纳
再问：后面不是复数吗- -
再答：噢噢，对不起，看错了
再答：恩，可以用are
再答：但变为完成时更准确

there have been a great number of accidents lately.这句话不加been There() a great number of accidents lately. There have been a number of comments. There have been a great number of telephone invention of in 英语翻译There have been a number of comments about the amount of there have been an (exception) _________ number of rainy day Many of us have been there. 这句话什么意思? 1、There must have been a large number of tourists in Sanya l a ( ) number of accidents 求详解,there has been a ___ of accidents at the crossroad.A ser He has already been a great number of places in Australia.这句 Recently there ( )been a series of car accidents at the cros