I wonder if/whether 从句-2025-2026学年八年级英语下册句型辨析（北师大版）

初二下册北师大版 【寒假专版】 C版句型辨析 寒假专版 【C版句型辨析】I wonder if/whether+从 句结构精讲 初中英语·北师大版初二下册 句型辨析精讲 辨析一I wonder if/whether+从句vs I want to know if/whether+从句 维度 I wonder if/whether+从句 I want to know if/whether 从句 语气特点 语气较委婉，带有试探、不确语气较直接，强调主观上想获 定的意味 取信息的愿望 使用场景 多用于日常口语或非正式书可用于口语和书面语，更侧重 面语，表达轻微的疑问或好奇于明确的询问或求知 例句对比 I wonder if she will come to the party tomorrow.(委婉好奇) I want to know if she will come to the party tomorrow.(直接询问) 真题链接（北师大版初二下册期末真题） -Do you_if we can borrow your dictionary? -Sure,here you are. A.wonder B.want to know C.think 答案：A解析：句中表达委婉的请求，用wonder if.更符合语境：want to know语气较直接，此 处用wonder更恰当，选A。 1 初二下册北师大版 【寒假专版】 C版句型辨析 辨析二I wonder if/whether+从句vs Do you know if/whether+从句 维度 I wonder if/whether+从句 Do you know if/whether+ 句 句式类型 陈述句，以第一人称表达自己一般疑问句，向对方询问信息 的疑惑 功能作用 表达个人内心的疑问或不确直接向他人寻求答案或信息 定 例句对比 I wonder if the train will be on time.(自己心里不确定) Do you know if the train will be on time?(问对方是否知道) 真题链接（北师大版初二下册同步练习） -if it will rain this afternoon? Sorry,I don't know.Let's check the weather report. A.I wonder B.Do you know C.Can you tell me 答案：B解析：答句回答“SoIy,Idon'tkow”,说明问句是向对方询问，用Do you know if.;I wonder是陈述句，不能直接用于问句开头，排除A:C选项后应接宾语从句，此处缺少连接词，不 符合语法，排除C,选B。 辨析三I wonder if+从句vs I wonder why/how./what+从句 维度 I wonder if+从句 I wonder why/how/what+ 句 从句类型 一般疑问句转化的宾语从句，特殊疑问句转化的宾语从句， 表“是否…” 表“为什么1如何什么…” 引导词功能 if/whether在从句中不充当成 why/how/what在从句中充当 分，只表“是否” 状语或宾语等成分 例句对比 I wonder if he has finished his homework.(是否完成作业) I wonder why he hasn't finished his homework.(为什么没完成作业) 真题链接（北师大版初二下册月考真题） 初二下册北师大版 【寒假专版】C版句型辨析 Shewhy Tom was late for school this morning A.wonders B.knows C.thinks 答案：A解析：句中表达“她想知道汤姆今天早上为什么迟到”，用wonder why..;nows表示 “知道”，与语境不符，排除B:thinks表示“认为”，后面一般接陈述句，不接特殊疑问词引导的 从句，排除C,选A。 综合训练 1.Iif you can help me carry this heavy box. A.wonder B.want to know C.think 2.-if the library is open on Sunday? -I'm not sure.Let's call and check. A.I wonder B.Do you know C.Can you tell 3.She how to solve this math problem.Maybe we can ask the teacher for help. A.wonders B.knows C.thinks 从I wonder if/I want to know if/Do you know if中选择合适的短语完成句子 1.we will have a school trip next month?I'm looking forward to it. 2.My mother the train will arrive on time.She is waiting at the station 3.-Tom has finished his science project? -Yes,he showed it to me yesterday. 3 初二下册北师大版 【寒假专版】C版句型辨析 1.He wants to know if it will snow tomorrow.(用wonder改写句子) 2.Do you know if they will come to the party?(改为陈述句，以第一人称表达) 3.She wonders why the sky is blue..(对划线部分提问，划线部分为why) I单项选择 1.A2.B3.A Ⅱ.选短语填空/完成句子 1.I wonder if 2.wants to know if 3.Do you know if I.句型转换 1.He wonders if it will snow tomorrow. 2.I wonder if they will come to the party. 3.What does she wonder?