1:she is been playing baseball for six years

题目

1:she is been playing baseball for six years
2 have you been to the new museum?
3 have you ever been to the new museum?
4 have you been to the new museum before?
翻译.最好能告诉下2.3.4.句有什么区别,

答案

她打棒球已经有六年了
你去过新的博物馆吗?
你曾经去过新博物馆吗?
在此之前你去过新的博物馆吗?