英语语法英语语法状语从句状语从句状语从句的分类1. 时间状语从句 按照引导词分类: When,while,as :当 时,在 的同时 When/As/Whilehewaseatinghisbreakfast,heheardthedoorbell. Since :自 以来 IthasbeentwoyearssinceIcametoBeijing. 从句动词为非延续性动词when Theboycriedwhenhesawhismother. 从句动词为延续性动词while,as,when 均可 while 强调“ 在 的同时” as 强调“ 伴随” 的状态 TomfellasleepwhileJerrywasgivingalecture辨析:when/while/as时间状语从句的破题方法真题演练 (2007 上海)Hetransplantedthelittletreetothegarden_itwasthebesttimeforit. A.whereB.when C.thatD.until扩展练习 (2008 上海) AreyoureadyforSpain? Yes.Iwantthegi