精选优质文档-倾情为你奉上主将从现定义：主将从现是指在 和中，如果是一般将来时，用一般现在时替代一般将来时。 引导条件状语从句的词if :If you ask him, he will help you. unless :Ill go there tomorrow unless it rains. 引导时间状语从句的词when , while , before , after , untill , till , since , as soon as ,1.主将从现主句是一般将来时，从句用一般现在时。When I grow up, Ill be a doctor.If you go to the party, you will be happy.l 2.主祈从现主句是祈使句，从句用一般现在时。 Dont laugh at me when I make a mistake.Put it in your diary before you forget. 用记事本记下免得忘了。l 3.主情从现主句中
