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中考英语状语从句用法分类详解一、状语从句的概念用来修饰主句中的动词,副词和形容词的从句叫状语从句。二、状语从句的分类根据其含义状语从句可分为时间状语从句,地点状语从句,条件状语从句,原因状语从句,结果状语从句,比较状语从句,目的状语从句,让步状语从句。三、状语从句的句法功能1.时间状语从句(主句将来时从句现在时)1)时间状语从句常用when,as,while,before,after,since,till,until,assoonas等连词来引导。例如:Itwasraininghardwhengottoschoolyesterday.Whilehewasdoinghishomework,thetelephonerang.Ashewalkedalongthelake,hesanghappily.HehadlearnedalittleChinesebeforehecametoChina.Afterhefinishedmiddleschool,hewenttoworkinafactory.易混引导词while,when的区别: when既可以指"时间点",与瞬间动词连用,也可以指"时间段",与延续性动词连用(=while)。While表示时间段,因此,while从句的谓语动词要用延续性动词。练习:用while或when填空1.Pleasedon'ttalksoloud______othersareworking.2.______hecamein,hismotherwascooking.3.______wewereatschool,wewenttothelibraryeveryday.Keys:1.while2.when2.While2)在时间状语从句里,通常不用将来时态,用现在时态表示将来的动作或状态。练习:1.I’llring