The Smiths are going to France for a vacation
The Smiths are going to France for a vacation
be going to do啊 france是n.
参考答案:转移动词可用进行时表示将来时,此句用go的进行时来代替be going to do
go leave come stay
都是转移动词，这种结构相当于be going to do
所以,这句也可改成The Smiths are going to go to France for a vacation 两句是一样的．