⑤在时间、条件和让步状语从句中经常用一般现在(有时也用现在完成时)表示将的来事情。(即:主将从现原则) 例:I will call you as soon as I arrive at the airport. 我一到机场就会给你打电话。 When you have finished the report, I will have waited for about 3 ho...