While A, B 对比并列句结构-2025-2026学年高中英语必修一句型易错点精讲（北师大版）

高中必修第一册北师大版 【句型精讲专版】 B版易错点解析 核心句型 【B版句型易错点精讲】While A.,B.（对 比并列句结构) 高中·北师大版·必修第一册 句型结构：While A.,B..（对比并列句结构) 易错点1：混淆while引导时间状语从句与对比并列句的含义 核心知识点： wile引导时间状语从句时意为“当…时候”，主从句动作同时进行：引导对比并列句时意 为“然而”，强调前后情况对比。 典型例句对比： 典型错误：While I was doing homework,my brother watched TV.(×,此处表对比，误用时间状语从 句结构) 正确表达：While I was doing homework,my brother was watching TV.(√，时间状语从句)/While I like sports,my brother prefers music.(√，对比并列句) 真题链接（北师大版高中必修第一册同步练习）： some people are motivated by money,others find happiness in helping others. A.When B.While C.Because 答案：B 解析：前后句“一些人被金钱激励”与“另一些人在助人中找到快乐”为对比关系，用wile 表“然而”。 易错点2：对比并列句中主从句时态不一致 高中必修第一册北师大版 【句型精讲专版】 B版易错点解析 核心知识点： wile引导对比并列句时，前后分句描述的通常是常态或平行情况，时态应保持一致（多为一 般现在时或一般过去时)。 典型例句对比 典型错误：While she loves reading,her sister will spend all day playing games.(×,时态不一致) 正确表达：While she loves reading,.her sister spends all day playing games..(√，均用一般现在时表常 态) 真题链接（北师大版高中必修第一册基础训练）： While Tom (study)hard for the exam,his roommate (waste)time on computer games last week 答案：studied;wasted 解析：句末有过去时间状语last week,while表对比，前后分句均用一般过去时。 易错点3：误用while连接非平行结构 核心知识点： wile引导对比并列句时，前后必须是完整的句子（包含主谓结构），不能用句子与短语对 比。 典型例句对比： 典型错误：While studying hard,.his grades are still poor..(×,前半部分为省略句) 正确表达：While he studies hard,,his grades are still poor.(√，前后均为主谓完整的分句) 例句对比 While I was walking,it began to rain..(√，时间状语从句，省略句) While I walk to school,.my brother takes the bus..(√，对比并列句，完整分句) 易错点4：在对比并列句中滥用逗号分隔两个独立分句 核心知识点： wile引导对比并列句时，本身为并列连词，连接两个独立分句，分句间通常用逗号隔开，但 不可省略while仅用逗号连接。 2 高中必修第一册北师大版 【句型精讲专版】 ,B版易错点解析 典型例句对比： 典型错误：She is outgoing,her sister is quiet..(×,逗号粘连) 正确表达：While she is outgoing,her sister is quiet..（√) 真题链接（北师大版高中必修第一册单元测试）： He prefers to work alone, his colleagues like team cooperation A.while B.so C.or 答案：A 解析：前后句“他喜欢独自工作”与“同事喜欢团队合作”为对比关系，用whle连接，且前 一分句以逗号结尾。 句型易错点精准训练 一、 单项选择 1. my mother was cooking,my father was reading newspapers. A.When B.While C.Because 2.Some students like math,others prefer English. A.when B.while C.because 3.While Tom TV,his sister her homework last night. A.watches;does B.watched;did C.was watching;was doing 二、用所给单词的适当形式填空 1.While I (walk)in the park,I met an old friend yesterday. 3 高中必修第一册北师大版 【句型精讲专版】 B版易错点解析 2.My brother likes playing football,while I (enjoy)reading books 3.While she (study)in the library,her phone rang. 三、改正句子中的错误 1.While I was doing homework,my brother plays computer games. 2.While reading,the light went out. 3.She likes singing,while her brother like dancing. 参考答案 I.单项选择 1.B 2.B 3.B Ⅱ.用所给单词的适当形式填空 1.was walking 2.enjoy 3.was studying I改正句子中的错误 1.While I was doing homework,my brother was playing computer games. 2.While I was reading,the light went out. 3.She likes singing,while her brother likes dancing.