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课件网) 现在分词做状语 Unit2 Morals and virtues Discovering useful structures The verb--ing form as adverbial Fill in the blanks 现在分词的时态语态 一般式 完成式 主动 被动 doing having been done having done being done Review 1. I saw several young people enter the waiting area. 2. They lived in a room facing the street. 3. His favourite sport is swimming. 4. The present situation is encouraging. 观察归纳：1. 动词－ing形式作_____表示所修饰_____词的属性、作用或用途；也表示所修饰名词的动作或状态，相当于一个_____ 从句。 2. 动词ing形式做句子的_____或主语(表语和主语可互换)。 还可以表示主语的某种性质和特征时，通常可以看作_____词。 定语 名 定语 表语 形容 What is the function of the V-ing form 主动形式(否) 被动形式（否） 一般式 完成式 (not) doing (not) having done (not) being done (not) having been done 1. “Why should girls learn so much ” her brother complained, _____ (think) the high tuition fees. 2. _____ (think) of all the people still in need of help, Dr Lin opened a private clinic. 3. At times she was even seen _____ (ride) a donkey to faraway villages to provide medical care. 4. The new People's Republic of China saw Dr Lin Qiaozhi _____ (play) a key role. 5. She was known as “the mother of ten thousand babies”, _____ (have) delivered over 50,000 babies in her lifetime. Fill in the blanks. thinking Thinking riding playing having 作状语 作状语 作状语 作宾补 作宾补 主动形式(否) 被动形式（否） 一般式 完成式 问题导学 (not) doing 2.Ving 各种形式：(下列动词以do为例) (not) having done (not) being done (not) having been done V-ing形式在句中作_____ _____ _____ _____和_____。 1.思考V-ing 在句中所起的作用有哪些？ 主语、定语、表语、宾补 状语 Focus on 基本用法 the –ing form used as Object complement 问题导学 观察归纳： 动词-ing形式作宾语补足语常放在宾语____面, 对宾语进行补充说明，表示一个_____的动作, 强调一个过程 或一种状态。 1) When we returned to the school, we found a stranger standing at the entrance. 2) The boss kept the workers working the whole night. 3）The new people’Republic of China saw Dr Lin Qiaozhi playing a key role. 正在进行的主动性 1. 思考V-ing 作宾语补足语的作用是什么？ 后 1. They found a dog sleeping on the street.(改被动句) 2. They heard him singing in next room.(改被动句) 3. We mustn't keep them waiting.(改被动句) 注意： 当主句转换为被动结构时，原来作宾语补足语的-ing形式便转换为主语补足语。 = The dog is found sleeping on the street. 他们发现一只狗在街上睡觉。 = He was heard singing in the next room. 有人听到他在隔壁房间唱歌。 = They mustn't be kept waiting. 千万不能让他们等。 问题导学 2.哪些词或结构后可用V-ing 作宾语补足语？ ① We saw a butterfly dancing near the window. ② I felt somebody patting me on the shoulder. ③ As he spoke, he observed everybody looking at him curiously. ④ Listen to the birds singing. ⑤ I didn’t notice him waiting. 表示_____的动词, 常见的有see, hear, feel, smell, find, notice, observe, look at, listen to等，后可接v-ing 作宾补。 感觉和心理状态 观察归 ... ...
