请达人帮我看看 我写的这些话有错吗?

问题描述:

请达人帮我看看 我写的这些话有错吗?
when i was in middle school,I heard people said about university life were often words like"waste your time","dream away hours every day","learn nothing".
(用不用改成进行时?如wasting your time?)
i felt puzzled then,since they were aware of they would be regretful some day,why not choose to change the condition in the first place?
"人们对大学的评价都是xx.."这句话我总觉得表述得不太地道,还有更好的说法吗?
换表述方法是次要的,主要是想问问这段话有没有语法错误

I heard people talk about university like that,
可以用动名词形式,也可以用原型,前者作宾语,后者代表引用的内容,所以都是符合语法的.
最后一句的词组,介词应用at,而且用at the very beginning 比较地道一点.
其他的都可以