you could be my everything 这里BE是表达什么

I could be everything you Could you be my mr'l,l could be everything you 里面有could you be the one.could you be my love.could you be my You are my everything will always be! 求一首英文歌 副歌部分是“you could be my hero” 有首英文歌歌词是 you could be my mather 什么什么的 需求 I could be everything you need.如题 There is always something about everything that you could be Could you be my only girl? If only could my death be you savlation fine be I thought we could be ,You were everything,everything that I