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Therewerelakes,alotofwildlifeandsmallvillagesbutnowithasbecomeamoderntown我想请问,这里butnowithasbecomeamoderntown为什么要用现在完成时呢?

题目详情
There were lakes,alot of wildlife and small villages but now it has become a modern town
我想请问,这里but now it has become a modern town为什么要用现在完成时呢?
▼优质解答
答案和解析
真不知道系统为什么还推荐我回答这个问题,答案上面的两位已经讲的很清楚了,尤其是 lvqianli 的答案很全面了.
在这里我想说的是,由于中文中并没有时态,所以要深入理解英文的时态,才能避免误解和写出好的文章来.给你一段小小的文字,你可以体会一下:
I have a brother,Tom.He is an engineer ,He has been abroad for three years now.Several days ago,I received a letter from him.
这个句子很简单,但是有三种时态,表达的意思很到位,你可以细细体味一下,有助于你的学习.