关于 sentence fragment

题目

关于 sentence fragment
Mrs.Blanco gone to visit her mother at the hospital.
Finding a parking space there is usually easy during the week.
Driving in the city during the evening rush hour.
My brother has been running a charter fishing boat for five years.
Many of his customers coming back three or four times over the summer.
His business been so busy that he has very little time for anything else.
答案说只有第二句和第四句是完整的句子,请帮我分析下,为什么其他不是,我看不出来.
谢谢第一位的回答，但是请帮忙分析下不完整的句子。因为我现在看大部分都是有主谓宾的呀。最好是可以帮忙吧不对的句子修改成正确的。

答案

1、3、5、6都没有谓语.1.gone 过去分词3.driving 现在分词 rush hour是交通高峰时间5.coming 现在分词6.been 过去分词现在分词、过去分词只是动词的不同形式,在句子中不能独立作为谓语.下面是完整的句子,你可以看下...