It is gone. It is missing.请解释一下这两句话的语法?

it is gone It is gone for good. mi name is .,可变为 it is.同上 it is gone!语法正确吗? it is gone!语法正确吗? It has gone与It is gone的区别?shot与photo的区别? meaning:what's gone is gone.It's no use talking about it any more. It is gone. It is missing.请解释一下这两句话的语法? Friendship is like earthenware:once broken,it can bemended;love is like a mi Friendship is like earthenware:once broken,it can bemended;love is like a mi什么意思 征英语翻译：it is gone for good.原文为：‘Mining is an extractive industry, simple as that: dig it up and it is gone for good.’ it's gone,这里的it‘s是it has 还是it is?it's gone 12已经过了12点,这里的it‘s是it has 还是it is?雅思听力里的 “它不见了”,英语应该说it is gone还是it has gone?另外,哪位高手知道“眼镜猴”英语怎么拼? It is(). it is it is is it it is