修改句子 i haven't been to any concert before i went to Beijing.总觉得是不是应该用hadn't呢?

修改句子 i haven't been to any concert before i went to Beijing.总觉得是不是应该用hadn't呢? i haven't been happy if i hadn't met you befor 句子通顺吗 将句子改成复合句：I am not going to the party.I haven’t been invited. 翻译I haven't been there I haven't been to the mountains I haven't been bloging lately麻烦问一下这个句子的时态和意思 I haven't been three for five years 翻译I haven't been to shenzhen yet any place I haven't been to 的意思 No,I haven't been to Ocean Park yet? You haven't been when I exist神马意思 i haven't been around.我翻的不对 in I haven't been back in ages. my parents haven't been to shanghai,and i haven't been to shanghai _____.either还是neither?为什么? I haven't been able to be outdoors for so long haven't been 为什么要用 谁能帮我翻译个英语句子：But it is the way I am and try as I might,I haven't been able to change it. I never been there before=I haven't been there before? I never been there before=I haven't been there before?