i haven't been happy if i hadn't met you befor 句子通顺吗

i haven't been happy if i hadn't met you befor 句子通顺吗 翻译I haven't been there I haven't been to the mountains 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 I never been there before=I haven't been there before? I never been there before=I haven't been there before? i’ ve never been to abroad. 和i haven't ever been to abroad. 一样吗 I haven't been to England.She hasn't been to England,either保持句意变成 I haven't been to England._____ _____ she. He hasn't been to Beijing.I haven't,either.Neither he nor I ________________into Beijing Mona has never been to Shang hai I haven't been there ,either改同义句