to 动词原形表目的-2025-2026学年七年级英语下册句型全解（北师大版）

初一下册北师大版 【寒假专版】 A版句型全解 寒假专版 【A版句型全解】to+动词原形（表目的） 初中·北师大版·初一下册 基本结构 句型结构：0+动词原形（表目的) 0+动词原形构成不定式，在句中可作目的状语，表示“为了…”“目的是…”，通常位 于句首或句末，位于句首时常用逗号与主句隔开。 例句展示： I get up early to catch the first bus.(我早起是为了赶上第一班公交车) To improve my English,.I read English books every day.(为了提高我的英语水平，我每天读英语书) 句型精讲（核心考法） 考法1：不定式作目的状语的基本结构识别 判断规则+例句解析 规则：句中出现两个动作，后一个动作是前一个动作的目的时，用o+动词原形”置于第二 个动作前表目的 例句：He gets up early to catch the first bus.(早起的目的是赶首班车) 验证："to catch the first bus”说明'gets up early”的目的 真题再现(2024北师大版初一下册单元测试) She studies hard_ get good grades. A.for B.to C.with D.of 1 初一下册北师大版 【寒假专版】A版句型全解 答案：B 解析：”取得好成绩”是”努力学习”的目的，用to+动词原形表目的 考法2：与表目的的介词for的用法区分 对比规则+例句对比 规则1：to后接动词原形（不定式），fo后接名词/动名词（表目的时） 例句1：I went to the store to buy milk.(to+动词原形buy) 例句2：I went to the store for buying milk.(错误，for表目的时后接名词，正确为'for milk”) 规则2：fo表目的时多译为”为了（得到/获取某物）”，o表目的时强调”为了做某事” 真题再现(2023北师大版初一下册期中测试) We need more money build a new school. A.to B.for C.at D.on 答案：A 解析：build是动词原形，表”为了建学校”的目的，用to;若用for需改为'for building a new school" 考法3：否定形式：not to+动词原形 构成规则+例句解析 规则：在不定式前加ot构成否定，表”为了不做某事” 例句：He walked quietly not to wake the baby..(安静走路的目的是不吵醒婴儿) 真题再现(2024北师大版初一下册期末真题) Please close the door let the cold air in. A.to not B.not to 初一下册北师大版 【寒假专版】A版句型全解 C.don't D.no to 答案：B 解析：表”为了不让冷空气进来”的否定目的，用otto+动词原形，A语序错误 考法4：不定式作目的状语的位置转换 转换规则+例句转换 规则：不定式可置于句首（用逗号隔开）或句末，意义不变 例句I:To improve English,.she reads English novels every day.(句首，逗号隔开) 例句2：She reads English novels every day to improve English.(句末) 真题再现(2023北师大版初一下册同步练习) He exercises every morning to keep healthy.(改为句首目的状语) healthy,he exercises every morning. 答案：To keep 句型综合训练 训练1：单项选择（考察to表目的及与for的辨析） 1.She goes to the library_ read books every weekend A.to B.for C.with D.at 2.They saved money」 buy a new house in the future. A.for B.to C.of D.on 3.My mother got up early prepare breakfast for the family. 3 初一下册北师大版 【寒假专版】 A版句型全解 A.to B.for C.from D.about 4.He bought a dictionary learn English words better. A.for B.with C.to D.in 5.Please speak loudly_everyone can hear you clearly. A.to B.for C.so D.that 6.We need more volunteers help the elderly in the community. A.to B.for C.at D.by 7.It's kind you to share your toys with your little sister. A.of B.for C.to D.with 8.She studies hard every daypass the final exam successfully. A.to B.for C.with D.on 训练2：同义句转换（考察不定式位置转换及否定形式） 1.He runs every evening to keep fit. fit,he runs every evening. 2.They left early to avoid the heavy traffic. →They left early the heavy traffic. 4 初一下册北师大版 【寒假专版】A版句型全解 3.She works part-time to earn some pocket money. → some pocket money,she works part-time. 4.He whispered not to disturb others in the library. →He whispered disturb others in the library. 5.We practice English every day to improve our speaking skills. our speaking skills,we practice English every day. 6.She took an umbrella to prevent getting wet in the rain. →She took an umbrella wet in the rain. 7.They saved money carefully to buy a new car next year. a new car next year,they saved money carefully. 8.He closed the window not to let the rain come in. →He closed the window the rain come in. 训练3：完成句子（考察to表目的及否定形式） 1.为了提高绘画技巧，她参加了艺术课程。 → her painting skills,she joined an art course. 2.我们应该努力学习，为了实现我们的梦想。 →We should study hard our dreams. 3.请小声说话，以免吵醒正在睡觉的婴儿。 →Please speak quietly the sleeping baby. 4.他每天锻炼，为了保持健康的身体。 →He exercises every day healthy. 5.为了赶上早班车，他们早上六点就出发了。 the early bus,they set off at six in the morning 6.我们需要更多的钱，为了帮助贫困地区的孩子们。 →We need more money the children in poor areas 7.她努力工作，为了给家人提供更好的生活。 →She works hard」 a better life for her family. 8.请不要大声喧哗，以免打扰其他乘客。 -Please don't talk loudly other passengers. 初一下册北师大版 【寒假专版】 A版句型全解 9.为了学好英语，他每天坚持听英语广播。 English well,he keeps listening to English radio every day. 10.他们决定搬到南方去，为了享受更温暖的气候。 -They decided to move to the south the warmer climate. 训练4：写作高级句式（考察o表目的的应用） 1.为了保护环境，我们应该减少使用塑料袋。 the environment,we should reduce the use of plastic bags. 2.他每天阅读报纸，为了了解国内外新闻。 -He reads newspapers every day about domestic and international news. 3.为了成为一名优秀的医生，她在医学院努力学习。 an excellent doctor,she studies hard in medical school 4.我们应该相互帮助，为了建立一个和谐的社会。 -We should help each other a harmonious society. 5.为了避免迟到，他总是提前半小时出门。 late,he always leaves home half an hour early. 6.她参加志愿者活动，为了给社区带来更多温暖。 -She participates in volunteer activities more warmth to the community 参考答案 I训练1：单项选择 1.A2.B3.A4.C5.A6.A7.A8.A Ⅱ.训练2：同义句转换 1.To keep 2.not to avoid 3.To earn 4.so as not to 5.To improve 6.in order not to get 7.To buy 8.so that not to L训练3：完成句子 1.To improve 2.to achieve 3.not to wake 4.to keep 5.To catch 6.to help 7.to provide 8.not to disturb 9.To learn 10.to enjoy V.训练4：写作高级句式 1.To protect 2.to learn 3.To become 4.to build 5.To avoid 6.to bring 6