精选优质文档-倾情为你奉上主从复合句中时态的一致主要有以下几种情况:一、在以when,after,as soon as等引导的时间状语从句以及以if,unless等引导的条件状语从句中,如果主句是一般将来时,从句则用一般现在时。例如:Ill tell her the good news when she comes back.当她回来的时候,我将把这个好消息告诉她。If it doesnt rain, he will come here on time.如果不下雨,他会按时来这儿的。二、在含有宾语从句的主从复合句中,当主句的谓语动词为过去时态时,从句须用表示过去的某种时态。例如:He asked when they would go to the party.他问他们什么时候将去参加聚会。Miss Green said she had been to Beijing before.格林小姐说她以前曾经去过北京。三、在宾语从句中,当主句的时态为一般现在时、现在进行时、现在完成时等时态时,后面从句时态不受主句限制,可根