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课件网) Protecting the environment Unit 8 Grammar Learning objectives Memorize a list of common verbs that are often followed by an to-infinitive as an object complement, such as ask, tell, want, teach, encourage, etc., and be able to use them correctly in sentences. Use the to-infinitive naturally. They can communicate about their plans and experiences, using the to-infinitive to show purpose or as part of a “verb + object + to-infinitive” structure. Develop an interest in learning English grammar. The well-designed activities and real-life examples used in class will make them realize that grammar is not only a set of rules but also a useful tool for expressing themselves accurately. In this lesson, we will be able to: Grammar to-infinitive 1.目的状语 (to express purpose) 规则： 结构：动词原形 + to do 位置：句首/句中，常回答"why"问题 例句 1. She studies hard to pass the exam. (目的) 2. To save time, we took a taxi. (句首强调) Jack takes notes. He wants to remember key points. 改写： 2. They built a bridge. People could cross the river safely. 改写： 3. I go to the library. I want to borrow books. 改写： Exercises 将下列句子用动词不定式合并为一句。 Jack takes notes to remember key points. They built a bridge to let people cross the river safely. I go to the library to borrow books. 2. 宾语补足语 (after certain verbs) 规则： 常用动词：ask/tell/want/teach/allow 结构：主语 + 谓语 + 宾语 + to do 例句： The teacher told us to review Lesson 5. My parents allow me to play games for 1 hour. 判断句型（目的状语P / 宾语补足语O）： She studies hard to get into a good university. ( ) The officer ordered the soldiers to march forward. ( ) To pass the exam, they formed a study group. ( ) The law requires drivers to wear seat belts. ( ) P O P O Exercises School Rule Advisor 情境：为新生制定校园指南 要求：用5个不定式句子提建议（至少包含2种用法） 范例： To enter the lab, you need to ask for permission. (目的) Teachers require us to wear uniforms. (宾补) 一、单项选择 My sister goes to the gym every day _____ fit. A. keep B. to keep C. keeping D. kept The doctor advised my father _____ smoking. A. stop B. stops C. to stop D. stopping They stay up late _____ for the exam. A. study B. to study C. studying D. studied Our teacher asks us _____ the classroom clean. A. keep B. to keep C. keeping D. kept B C B B 二、英汉互译 为了通过考试，他努力学习。 He studies hard _____ _____ _____ pass the exam. 老师要求我们按时完成作业。 The teacher asks us _____ _____ our homework on time. She goes to the library to borrow some books. My parents tell me not to stay out late. in order to to finish 她去图书馆借一些书。 我父母告诉我不要在外面待得太晚。 Required（必做） Optional（选做） Write a short paragraph (about 80—100 words) using at least 3 sentences with to-infinitives. You can write about your daily activities, weekend plans, or any topic you like. Find an English passage (from an English book, magazine, or online arti ... ...
