搜索结果： 关于时态 刘毅单词里看到个句子Before he decided to study abroad,he has to solve financial problems. 疑问是：before从句中已经是一般过去时态了，主句是不是应该用过去完成？刘毅单词里看到个句子Before he decided to study abroad,he has to solve financial problems. 疑问是：before从句中已经是一般过去时态了，主句是不是应该用过去完成？ 强调句分析 1. It was because of my dream that I decided to go abroad and further my study.1. It was because of my dream that I decided to go abroad and further my study. 为什么是 It was 而不是 It is？ 2. It is the caus decided只能作定语不用作表语吗在一本书上看说，用作形容词的decided只能作定语，不用作表语。后翻一些词典，也说它只用作定语，这我就奇怪了，由ed分词转化来的形容词不是经常用作表语吗？难道decided这个例外？谢谢解答！
