问题描述：
为什么一些英语句子里用一般现在时表将来时?
比如：We won't go to the Great Wall if it snows tomorrow
The next time you meet his parents tell them I want to see them as soon as possible
The key will be left on the table whrn I leave
Our classes Begins at7:30 tomorrow morning
The train leaves at five this afternoon
不是一个句子中前后时态要一致的吗?为什么前面是将来时后面用一般现在时?
比如：We won't go to the Great Wall if it snows tomorrow
The next time you meet his parents tell them I want to see them as soon as possible
The key will be left on the table whrn I leave
Our classes Begins at7:30 tomorrow morning
The train leaves at five this afternoon
不是一个句子中前后时态要一致的吗?为什么前面是将来时后面用一般现在时?
问题解答：
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