Unit 4 Space Exploration Discovering Useful Structures 导学案-2023-2024学年高中英语人教版（2019）必修第三册

U4 Space Exploration Grammar-the infinitives(1) 班级：_____________ 姓名：_____________ [学习目标] 1.归纳动词不定式（to do）作定语和作状语的用法及意义。 2.掌握动词不定式（to do）作定语和状语的用法。 [重点难点] 1.重点: 归纳动词不定式（to do）作定语和作状语的用法及意义。 2.难点: 掌握动词不定式（to do）作定语和状语的用法。 [导学流程] 一. 复习 1. 观察动词不定式在句子中做什么成分。 1. To make such a mistake is foolish. 2. I wish to learn English well . 3. My ambition is to become a doctor. 4. She was the first person to think of such a good idea. 5. I hurried to the train station only to find that the train has left. 6. Father will not allow us to play on the street. 总结：动词不定式形式为“to do” 。动词不定式可在句中作___________、___________、_________、___________、_____________和___________，但是不能单独作___________。 二.讲授新知 动词不定式作定语： 不定式做定语的位置及关系 1.We must find a person to do the work. 2.There are lots of interesting things to see. 3.They got the order to leave the city. 动词不定式作定语通常放在名词、代词或不定代词的后面作____________。 动词不定式作定语一般与所修饰的名词构成______关系、______关系、或________关系。 拓展补充：不定式与被修饰的名词或不定代词有逻辑上的主谓关系或动宾关系时，此时的不定式在意义上相当于一个定语从句。 1.We must find a person to do the work. （转换为定语从句） We must find a person______________________________. 2.The meeting to be held will be put off next week. The meeting __________________________ will be put off next week. 不定式作定语修饰的名词前有特定词 1.She is the first graduate to get an offer in the big company. 2.He is the only one to survive the accident. 3.This is the right question to be discussed. 当名词被___________，____________或_________, _________, _______, _______修饰时，若该名词是作定语的非谓语动词的执行者时，则用不定式主动形式_________作定语。若该名词是作定语的非谓语动词的承受者时，则用不定式被动形式__________作定语。 不定式作定语置于特定名词之后 1.In the past, women had no chance to go to school. 2.He made an attempt to be admitted to the big company. 3.A good teacher must have the ability to make himself understood. 4.I must keep the promise to pay on time. 5.His eagerness to get back home was quite obvious. 有些抽象名词后常跟不定式作定语，如：______, ________, _______,________, ______, _________, _________, _________, ________, _______________等。 不定式作定语表示未来将要发生的动作 1.The letter to be written