第四讲状语从句一、明备考方向语法填空常考点短文改错常考点写作常用句式1.when, while, as 引导时间状语从句的区别；2.名词词组 the minute, the moment, the first time, each time, any time 等用作连词，引导的时间状语从句；3.before 和 since 引导时间状语从句的用法以及常见的几个句型；4.till 和 until 的用法；5.although, though, as 以及 even if, even though 引导让步状语从句的用法；6.结果状语从句中“so ...that”与“such ...that”的区别；7.条件状语从句 unless, providing/provided, suppose/supposing 等引导词的用法；8.“疑问词＋ever”和“no matter＋疑问词”引导从句的用法；9.where 引导的状语从句；10.与祈使句、定语从句、名词性从句、倒装句以及与强调句型的混合考查。1.if 与 although/though的误用；2.unless 与 until 的误用；3.when 与 until 的误用；4.when 与 since 的误用；5.although/though 与because 的误用；6.although/though 与but 的误用；7.after 与 while/when的误用；8.since 与 though/although 的误用；9.after 与 since 的误用；10.when 与 where 的误用。1.表示“一……就……”的句式(1)the moment/the minute/the instant ...，＋主句(2)no sooner ... than .../hardly ...when ...(3)as soon as ...＋主句2.not ... until ...“直到……才……”3.It will be/was＋一段时间＋before ...“过……(时间)才……”4.It is/has been＋一段时间＋since 从句“自从……以来多长时间了”5.every time/each time ...“每次……”6.so ...that .../such ...that ...“如此……以至于……”二、攻重点难点(一)引导时间状语从句的从属连词及重点句式1．引导时间状语从句的从属连词有：when, whenever, while, as, before, after, since, till/until, as soon as, no sooner ...than, hardly/scarcely ...when, immediately, instantly, the moment, every/each time 等。2．在掌握时间状语从句时，要注意以下几个重点句式：(1)not ...until ...“直到……才……”(2)It＋will be/was＋一段时间＋before ... “过……(时间)才……”(3)It＋is/has been＋一段时间＋since ... “自从……以来多长时间了”(4)It＋was＋not long before ...“不久……就……”(5)No sooner...
