I'll be right back.和I'll is right back.第一个为什么要加be而第2个用IS

I’ll be right back i'll be right back怎么读 I'll be right I'll be back i ll be back和i will be back 我会回来的 用这2个是不是都可以 i will be right back为什么will后要有个be呢?去掉be不行吗 My work is _____done .I'll be right with you . My work is _____done .I'll be right with you ... I'll be back so 求i'll be back 关于"I'll be back" 英语翻译1.please stay ____you are and I'll be back right away .A