I'll be back in a while中的BEI'll be back in a while中的be为什么用的BE?它在句中起什么作用.还想知道什么时候用be?

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I'll be back in a while中的BEI'll be back in a while中的be为什么用的BE?它在句中起什么作用.还想知道什么时候用be?
I'll be back in a while中的BE
I'll be back in a while中的be为什么用的BE?它在句中起什么作用.
还想知道什么时候用be?

I'll be back in a while中的BEI'll be back in a while中的be为什么用的BE?它在句中起什么作用.还想知道什么时候用be?
在will 之后,动词和助动词要用原型
比如:我要回去:I will go back.
我要称为医生:I will be a doctor.
除了will,很多词之后动词或助动词也要用原型
例如：can be,should be,shall be,must be,have to be
像这种语气词之后,都是用be

时态问题。一般将来时的构成是 will + 动词原形。
而系动词be am/is/are的动词原形就是be.
情态动词（以及相关的变形）后面 + 动词原形
祈使句使用动词原形。
部分固定搭配要求后面的动词使用原型~
eg. help sb.do sth.

谓动

I'll come back与I'll be back 的区别?I'll come back in a minute.与I'll be backin a minute 的区别? Don't worry,I'll be back in a m_____ I'll be back in a minute.可以改为I'll come back in a minute吗 I'll be back I'll be back in a minute.就in a minute部分提问, I'll be back in a minute(in a minute)将括号单词提问英语回答! I hear she’ll be back （）a week.A.after B.in C.I hear she’ll be back （）a week.A.afterB.inC.fromD.at don't worry,ill be back in a m____.(a very shrot time)怎么填 (单词拼写)Don't worry.I'll be back in a c_______ of hours. I'll be back I'll be back -wait a moment,please.I'll be back in twenty minutes.-Ok.We( )here( )you come back. I'll be back so I`ll be back in 4 years.I`ll be back 4 years later.意思有区别吗 I'll be back in a while中的BEI'll be back in a while中的be为什么用的BE?它在句中起什么作用.还想知道什么时候用be? I(这是i) ' ll be back! (way back into love)I'll be there for you in the end!(way back into love)I'll be there for you in the end! I'll be back soon． I'll be back home.(同义句)