Question

Have you ever seen it是什么意思

Answer 1

Have you ever seen it? 意为 你以前看见过它吗？
这句话为现在完成时，标志是ever。

ever
[英][ˈevə(r)][美][ˈɛvɚ]
adv.永远; 曾经，这以前; 究竟，到底; 可能;
双语例句：
1 What did I ever do to you?
我对你做过什么吗？
2 You ever heard of amy?
你听说过艾米吗？

Answer 2

Have you ever seen it?
你看过了吗？
双语对照

例句:
1.
I'm looking for my friend--gave. Have you ever seen it, tom?
我正在寻找我的朋友盖夫，你有看见他吗，汤姆？

2.
Have you ever seen such a huge balalaika?
你见过这么大的三角琴吗？