Question

is there a train I can take going direct to Beijing tonight

Answer 1

这是将来时,be going to do 的一般疑问句形式

他的陈述句就是：

there is a train i can take going direct to beijing tonight

其中,有个定语从句i,i can take 是修饰train 的,迷惑你的,你可以去掉不看,就是：

there is a train going to do...