1、Unit 1 Discovering Useful Structures 导学案导学案动词动词-ing 形式作定语和表语形式作定语和表语探究导入探究导入观察以上情境, 根据语境用所给词的适当形式填空（1） A person_ （run） regularly in the morning is healthier than a non-runner.（2） The_ （frighten） scene shocked us.（3） Going camping is _ （interest） and_ （excite）.要点详解要点详解动词-ing 由“动词原形+-ing”构成。动词-ing 形式可
2、在句中作主语、宾语、表语、定语、宾语补足语和状语, 但不能单独作谓语。1. 动词-ing 形式作定语如果是单个的动词-ing 形式作定语, 常放在被修饰词前作前置定语；如果是动词-ing 形式短语作定语, 则放在被修饰词后作后置定语。* *Make less noise. Theres a sleeping child.不要发出太大声音, 有个正在睡觉的孩子。* *He asked me an embarrassing question.他问了我一个令人尴尬的问题。* *The man being questioned is connected with the traffic acciden
3、t.正在被提问的那个人和这起交通事故有关。* *The patient has stayed in the waiting room for half an hour.那个病人在等候室里已经待了半小时。【高频易错】1. 表示感情的动词-ing形式作定语时, 表示“令人 的”, 此类动词-ed形式作定语时,表示“感到的”。2. 动词-ing 形式作定语如果与被修饰的词之间是被动关系, 且强调动作正在进行就用动词-ing 形式的被动式, 即 being done 的形式。及时演练 句型转换（1）The taxi that took us to the airport broke down.The
4、taxi_ us to the airport broke down.（2）The problem that is being discussed is about food safety.The problem_ is about food safety.（3）The student stayed in the room used for reading for an hour.The student stayed_ for an hour.（4）That was an experience that frightened everyone.That was_.2. 动词-ing 形式作表语
5、一种表示主语的特质、 特征和状态, 其作用相当于形容词； 另一种具体说明主语的内容,即主语等同于表语, 两者可互换。* *The music they are playing sounds so exciting.他们演奏的音乐听起来令人激动。* *The result is disappointing. 结果令人失望。* *Our job is playing all kinds of music.我们的工作就是演奏各种音乐。* *Seeing is believing. 眼见为实。语法填空语法填空（1）It is_ （amaze） that the boy is able to solve
6、 the problem so quickly.（2）Buying a car is simply_ （waste） money.（3）Please stop making the noiseits getting_ （annoy）.参考答案参考答案【探究导入】（1） running （2） frightening（3） interesting； exciting【要点详解】1.（1）taking （2）being discussed （3）in the reading room （4）a frightening experience2.（1）amazing （2）wasting （3）annoying
