Will there be that one day,you left me 中leave为什么变成过去式left

I believe that there will be Rainbow Will there be that one day,you left Will there be that one day,you left me. That there once will be a better tomorrow i believe that there will always be a successfulday You believe there will be retribution?If that i will be there “There will be someone... There will be a There are all things that I will not be forgotten,and will always love you! I believe there will be one day that happiness will come to me.翻译成汉语 i must be at work at 10 o'clock.My employer will confirm that I was there on time如题,他这里的must be是连用的吗?表示猜测 还是说be只是单纯做谓语而已 there's the less chance that I will be misquoted that way.意思? I'm anxious that there will be plenty of discussion.that引导什么从句 that will be the That will be all . That will be That will be all