What were you doing when 从句-2025-2026学年八年级英语上册句型辨析（北师大版）

初二上册北师大版 【寒假专版】 C版句型辨析 寒假专版 【C版句型辨析】What were you doing when.结构精讲 初中英语·北师大版初二上册 句型辨析精讲 辨析-What were you doing when..vs While..…was/were doing. 维度 What were you doing when... While...was/were doing... 核心含义强调主句动作在从句动作发强调两个持续性动作同时进 生时正在进行 行（主从均为长动作） 句式结构 主句（过去进行时）+wen+While+从句（过去进行时）， 从句（一般过去时） 主句（过去进行时/一般过去 时) 时间关系 when从句动作可长可短，主while从句动作必须是持续性 句动作在其发生时正在进行的，与主句动作并行发生 例句对比 What were you doing when the rain started?(rain started是短动作，主句动作在此时正在进行) While I was doing homework,my brother was listening to music.(两个长动作同时进行) 真题链接（北师大版初二上册期中真题） -Whatyou when the teacher came in? -I was reading English. A.do;do B.were;doing C.did;do 答案：B解析：when引导的从句用一般过去时(came),主句表示”老师进来时你正在做什么”， 用过去进行时，选B。 初二上册北师大版 【寒假专版】 C版句型辨析 辨析二What were you doing when.vs When.did.I was doing. 维度 What were you doing when...When...did...,I was doing... 疑问/陈述功能 特殊疑问句，询问主句动作 陈述句，强调时间点与动作的 关系 语序结构 疑问语序(be动词提前) 陈述语序（主句在从句后或 前) 信息焦点 聚焦主句动作”是什么” 聚焦”当从句动作发生时，主 句动作正在进行” 例句对比 What were you doing when Tom called you?(询问对方当时在做什么) When Tom called me,I was doing my homework.(陈述电话打来时'我”正在做作业) 真题链接（北师大版初二上册同步练习） the bell rang,we having a math class. A.When;were B.What;were C.When;did 答案：A解析：句首表”当铃声响时”，用whn引导时间状语从句：主句表示”正在上数学课”， 用过去进行时，选A。 辨析三hat were you doing when.vs What did you do when.. 维度 What were you doing when...What did you do when... 动作性质主句动作是持续性的（过去主句动作是短暂性的、已完成 进行时) 的（一般过去时） 语境含义 强调动作在特定时间点”正强调动作在特定时间点”已 在进行” 经发生或完成” 动词搭配需用延续性动词（如read,常用非延续性动词（如see, write,play) hear,start) 例句对比 What were you doing when the accident happened?(事故发生时你正在做什么，用延续性动作) What did you do when you saw the accident?(看到事故后你做了什么，用短暂性动作) 真题链接（北师大版初二上册期末真题） 初二上册北师大版 【寒假专版】C版句型辨析 -What you when you heard the good news? -I jumped happily. A.were;doing B.did;do C.do;do 答案：B解析：答句'jumped'是短暂性动作，表示”听到消息后做的事情'，问句应用一般过去时 询问具体行动，选B。 综合训练 1.What youwhen the fire alarm rang? A.do;do B.were;doing C.did;do 2.my sister was watching TV,I doing my homework. A.While;was B.When;did C.What;were 3.-What youwhen you saw the accident? -I called the police at once. A.were;doing B.did;do C.are;doing 1. (当暴风雨来临时)，we were having a picnic in the park 2.My brother__(正在听音乐)while I was reading a book. 3.一What_(你爸爸正在做)when you got home yesterday? -He was cooking dinner. 3 初二上册北师大版 【寒假专版】C版句型辨析 1.I was cleaning the room when the phone rang.(改为特殊疑问句) you when the phone rang? 2.While Tom was playing basketball,he fell down.(改为同义句) Tom basketball he fell down. 3.She did her homework when her mother came back.(用过去进行时改写) She her homework when her mother came back. I.单项选择 1.B2.A3.B IⅡ.完成句子 1.When the storm came 2.was listening to music 3.was your father doing ⅡL句型转换 1.What were;doing 2.was playing;when 3.was doing