i am going to be sick为什么要用be?

i am going to be I am going to be a singer I am going to be taller是什么意思 i am going to be teller i am going to be crazy i am going to be sick为什么要用be? I am going to be have和I am going to have有什么区别 I am going to Who i was going to be?是什么意思?为什么不说Who i am going to be 英语翻译I am 14 going to be 15 soon? I am going to be a singer的问句 I,am,to,going,teacher,be,a连词成句 I am going to be后面接的是什么词 I am going to be a worker.(改为同义句) going am to solider be I a连词成句 I am going to be an engineer同义句 I am working hard.(用be going to 改写） I am going to be a fashion designer Because__________________________________________________