they are leaving for BEIJING the day after tomorrow为什么它会是现在进行时?

问题描述:

they are leaving for BEIJING the day after tomorrow为什么它会是现在进行时?
he plays on the computer for about one year.为什么要用for?

这是现在进行时表将来
这类词一般为表位置转移的动词,如:
leave come go 等那怎么翻译呢?帮我解答一下下面那题吧they are leaving for BEIJING the day after tomorrow他们将于后天启程去北京he plays on the computer for about one year.为什么要用for?for 意为”长达(多久)他玩电脑玩了大约一年之久了