
/ 让学习更有效 新课备课备考 | 英语学科 / 让学习更有效 新课备课备考 | 英语学科 2025年牛津上海版(试用本)九年级英语上册精讲精练 Unit 3 Pets 核心语法:动词不定式作目的状语 一、基本概念 动词不定式作目的状语用于说明动作的目的或意图,回答"为什么做某事"的问题。 结构:to + 动词原形(如to study, to help) 位置:通常位于句首或句末 二、核心用法 1. 基本结构 位置 例句 强调程度 句末(最常见) She went to the library to borrow books. 一般强调 句首(强调目的) To pass the exam, he studied hard. 强烈强调 2. 强化目的的表达 结构 例句 说明 in order to He got up early in order to catch the train. 更正式 so as to She spoke loudly so as to be heard. 多用于句中 for + 名词 This tool is used for cutting. 接名词/动名词 注意: in order to/so as to的否定形式: He studied hard in order not to fail. 三、易错点突破 不定式与for doing的区别 不定式强调目的:I use this pen to write.(为了写字) for表示用途:This pen is for writing.(用于写字) 避免与结果状语混淆 目的状语:He ran fast to catch the bus.(意图) 结果状语:He ran too slow to catch the bus.(结果未实现) 逻辑主语需一致 To improve English, more practice is needed.(错误) To improve English, you need more practice.(正确) 四、特殊结构 "疑问词+不定式"作目的状语 He explained how to use the tool.(说明使用方法) 被动不定式作目的状语 The samples were sent to be tested.(样本被送去检测) 五、记忆口诀 "不定式表目的,句首句末皆可以; in order语气强,so as to记心里; 逻辑主语要一致,for+名词别忘记; 否定not放to前,目的结果要辨析!" 1.He hurried back home _____ his schoolbag. A.fetched B.to fetch C.fetching D.fetches 2.―What do you think of the action movie Mulan ―It comes from an old Chinese story. Mulan dresses up as a boy and takes her father's place in the army. A.to fight B.fighting C.fights D.fought 3.The boy rushed _____ the classroom _____ his ball. A.to;to get B.into; to get C.to;get D.into; get 4._____ how much I love my mother, I’ll give her a big surprise. A.To showed B.Showing C.To show D.Show 5.—There are so many people in the park every morning. —Many of them come here _____ exercise. A.do B.doing C.to do D.did 6.How kind you are! You always do what you can _____ others. A.help B.helping C.helps D.to help 7.What can we do_____ a director A.become B.to become C.became D.becoming 8.Sandy went to the shopping mall _____ some clothes and school things. A.buy B.bought C.to buy D.buying 9.Mr Yang always explains the difficult points many times _____ his students understand. A.to make B.make C.making D.makes 10.We do running every morning _____. A.be healthy B.to fit C.to keep fit D.to be health 11.This is the time of the Thai New Year. People go on the streets _____ water at each other. A.throw B.to throw C.throwing D.thrown 12.– Chinese government announces that we will do what we can _____ our China Dream. – That means we Chinese should work harder from now on. A.realize B.realizing C.realized D.to realize 13.My uncle invited me to the UK _____ wit ... ...
~~ 您好,已阅读到文档的结尾了 ~~