Shall we be back in time-----这句子中为什么要加be（我不是问：为什么要用be 动词原形）!

Shall we be back in time-----这句子中为什么要加be（我不是问：为什么要用be 动词原形）! WE WILL BE BACK We will be back! Shall we back to the drawing board? shall we be friend 中文 I think it will be very in-teresting.When shall we start and _____shall we meet? If two people are meant to be together ,eventually they'll find their way back .Shall we If two people are meant to be together ,eventually they'll find their way back .Shall we be back in be back at 区别 I ____ writing the article by the time you get back.A.shall finish B.must have finishedC.have finished D.shall have finished.With the old man ____ way,we had no trouble in finding that the mysterious cave.A.leading B.led C.lead D.to be led “shall we be tolerant?英语作文, we will be back还是WE WILL BACK哪个对 Do you think we shall be in time to catch the train?你看我们能及时赶上火车吗?shall be to 是什么用法? I will be back,We will be back -wait a moment,please.I'll be back in twenty minutes.-Ok.We( )here( )you come back. Put your hands behind your back.Don't speak.We'll be back in ten minutes.翻译 By this time next week we shall be in china.(对By this time next week提问） ____ ____ we be in china we will be back/ in / six o'clock.可是答案是at we'll be back in no time.请分析一下这句话的成份.