Don't 动词原形-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】Don't+动词原形结构精 讲 初中英语·北师大版初二上册 句型辨析精讲 辨析一Don't+动词原形vsNo+动名词 维度 Don't+动词原形 No+动名词 核心功能对动作直接禁止（强调动作 对行为或状态的禁止（强调 本身) 名词化的行为) 使用场景 日常口语、祈使句中直接制止 公共标识、书面警示中禁止某 动作 种行为 例句对比 Don't run in the hallway.(走廊里别跑。直接禁止”跑”的动作) No smoking in the library.(图书馆内禁止吸烟。禁止”吸烟'这一行为) 真题链接（北师大版初二上册期末真题） Peter, shout in the classroom!The students are reading. A.don't B.no C.not 答案：A解析：空格后为动词原形shout,用Dot+动词原形构成祈使句否定：No后需接动名 词，排除B。 辨析二Don't+动词原形vs Never+动词原形 维度 Dont+动词原形 Never+动词原形 语气强度 一般禁止，语气较委婉 绝对禁止，语气强烈（表”绝 不) 使用频率 日常场景中临时禁止 长期规则或强调永久性禁止 初二上册北师大版 【寒假专版】 C版句型辨析 例句对比 Don't eat too much candy..(别吃太多糖。一般性建议) Never cross the road when the light is red.(绝不要闯红灯。强调必须遵守的规则) 真题链接（北师大版初二上册同步练习） touch the machine!It's dangerous. A.Don't B.Never C.Not 答案：B解析：后句强调危险”，需用语气强烈的Never表”绝对禁止”：Dont语气较弱，不符 合语境，排除A。 辨析三Don't+动词原形vs You mustn't+动词原形 维度 Dont+动词原形 You mustn't+动词原形 句式类型祈使句，省略主语 陈述句，含主语you 语气侧重直接禁止，简洁口语化 强调规则/义务，语气更正式 例句对比 Don't open the window.(直接命令，口语) You mustn't open the window during the exam.(强调考试规则，正式) 真题链接（北师大版初二上册月考真题） -What does the sign say? -It says"park here.The area is for emergency vehicles only." A.Don't B.You mustn't C.No 答案：B解析：答句解释区域仅限急救车辆'，强调规则，用You mustn't更正式；Don't口语化， 且题干中sign的提示通常用正式语气，排除A。 2 初二上册北师大版 【寒假专版】C版句型辨析 综合训练 1.play football in the street!It's dangerous. A.Don't B.No C.Never 2.The sign on the wall says"take photos here.It's against the rules." A.Don't B.You mustn't C.Not 3.-Please remember,touch the chemicals in the lab without the teacher's permission. -OK.Iwon't. A.don't B.never C.you mustn't 从Don't+动词原形/No+动名词/Never+动词原形中选择合适的完成句子 (smoke)in the hospital.It's harmful to patients. be)late for school again.The teacher will be angry. (swim)in this river.There are strong currents. l.You mustn't park your car here.(改为祈使句否定形式) 2.No talking in class.(用Don't+动词原形改写) 3.Never eat food with dirty hands.(改为You mustn't+动词原形结构) 3 初二上册北师大版 【寒假专版】C版句型辨析 I一、单项选择 1.A2.B3.B IⅡ.二、选短语填空/完成句子 1.No smoking 2.Don't be 3.Never swim L.三、句型转换 1.Don't park your car here. 2.Don't talk in class. 3.You mustn't eat food with dirty hands.