be going to do going是动词加ing吗

be going to do going是动词加ing吗 be going to 加动词ing 还是动词加S? be going to do里going是动词还是名词? be going to do sth固定搭配中going是不是指动词加上ing be going to后面的动词要加ing形式吗 系动词短语有 be to do和be going to be to do是情态动词短语吗 will,be going to,be+动词ing形式的区别 be going to do 算动词不定式吗? be going to 后面接动词原型还是ing形式 “be going to+原形动词”是未来式. be going to 加动词原形造句两个 要有意思 用be going to加下面的动词完成句子.