一般现在时表将来
1)下列动词:come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。 The train leaves at six tomorrow morning. When does the bus star? It stars in ten minutes.
2)倒装句,表示动作正在进行,如: Here comes the bus. = The bus is coming. There goes the bell. = The bell is ringing.
3)在时间或条件句中。 When Bill comes (不是will come), ask him to wait for me. I'll write to you as soon as I arrive there.
4)在动词hope, take care that, make sure that等后。 I hope they have a nice time next week. Make sure that the windows are closed before you leave the room