在if条件或as soon as等时间状语从句中用一般现在时代替一般将来时.在if条件或as soon as等时间状语从句中用一般现在时代替一般将来时.

在if条件或as soon as等时间状语从句中用一般现在时代替一般将来时.在if条件或as soon as等时间状语从句中用一般现在时代替一般将来时. you post this leter for me____________?(如果你路过邮箱的话)you are passing a postbox.为什么不能填if you pass a postbox.在当连词when,as soon as,before,until,if等引导的表示未来行为的时间或条件状语从句中,不是可 since,if,as soon as,when,while主句用什么时态,从句用什么时态?条件状语从句和时间状语从句与主句时态？ 用if,because,when,before,as soon as等连接的句子（20句） 类似于if ;as soon as ; while ;when ;等词在句子中时,前后的时态是怎样的?主句是if 前还是后？ as soon as as soon as as soon as soon as soon as soon as 和if 用法一样么 时间状语从句 when.whihe .as soon as.这些词怎么用在句子中啊? as soon as一般在句子中充当什么成分?或属于什么词性? as soon as一般在句子中充当什么成分?或属于什么词性? as soon as possible as soon as you as soon as as soon as用法 as soon as组词