问题描述: Mary will come to help me.she will be free tomorrow.改为含if条件状语从句的复合句 1个回答 分类:英语 2014-11-24 问题解答: 我来补答 Mary will come to help me if she is free tomorrow.当主句是一般将来时,条件状语从句要用一般现在时.——主将从现 展开全文阅读