什么情况下用一般现在时表示一般将来时

题目

什么情况下用一般现在时表示一般将来时

答案

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.
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.
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.
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.
中学英语中,有些从句只能用一般现在时形式表示一般将来时,现归纳如下,以供参考.
在由if,unless引导的条件状语从句中,如：1. If it doesn't rain tomorrow, there will be a sports meet in our school. 2.You will miss the train unless you set out at once.
在由when,before,after,as soon as,once,till/untill引导的时间状语从句中,如：1.When you meet a new word,you may look it up in your dictionary. 2.When you arrive in London at 8 tomorrow morning, it will be 4 o'clock in Bejing in the afternoon. 3.You will have to get everything ready for the party before I come this evening. 4. After you finish reading the whole book, you will be able to know its real meaning. 5.I'll write to you as soon as I get there. 6.Once you understand its meaning, you will easily remember the word. 7.I'll not leave here until/till he comes back.
在由as/so long as（只要……）引导的条件的状语从句中,如：
1.It is hard to avoid mistakes, as/so long as you correct them conscientiously, it will be all right.
2.so long as one inch of this deck remains above water, here is ho
参考资料：http://www.hongen.com/eng/pub/yufac/1107.htm