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课件网) Unit 2 Morals and Virtues Discovering useful structures 现在分词作状语和宾语补语 At the end of the class, you will be able to Review different functions of -ing form acquire the usage of -ing form as the object complement acquire the usage of -ing form as the adverbial apply -ing form to describe people’s actions Learning Aims V-ing的意义 They are the falling leaves. B．表主动 A．表进行 C．表主动+进行 The number of people taking part in the choir is 20,00. Who is the woman standing in front of us Review -ing form 在句子中所作成分 定语 宾补 表语 状语 Family celebrating the Lunar New Year can enjoy exciting dragon dances and carnivals together. Family celebrating the Lunar New Year can enjoy exciting dragon dances and carnivals together. The most important thing is getting there in time. The most important thing is getting there in time. Along the way, we saw many people playing music, singing and dancing. Along the way, we saw many people playing music, singing and dancing. Thinking of all the people still in need of help, Dr. Lin opened a private clinic. Thinking of all the people still in need of help, Dr. Lin opened a private clinic. Review 时间状语 原因状语 结果状语 条件状语 让步状语 方式状语 伴随状语 主动：_____ 被动：_____ 充当状语的非谓语动词的动作与句子的主语是主动关系。 01 02 03 -ing形式作状语 doing / having done being done / having been done Presentation _____(hear) the news, he couldn’t help laughing. When he _____the news, he couldn’t help laughing. 听到这个消息，他禁不住大笑起来。 Hearing heard Presentation 表示时间 1. 判断设空处是否需要非谓语动词 是 否 2. 找到非谓语动词的主语（逻辑主语），一般与主句一致 3. 确定非谓语动词与逻辑主语的关系 主动 被动 现在分词作时间状语时，相当于时间状语从句。 可在现在分词前加连词“when, while, until”等， 使其时间意义更明确。 现在分词作原因状语时，可转换为由since, because或as引导的原因状语从句，这类状语多放在句子的前半部分。 Being ill, he couldn't go to school. ＝As/Because/Since he was ill, he couldn't go to school. Presentation 表示原因 现在分词作条件状语时，可转换为if, once或unless等引导的条件状语从句。 Working hard, you'll make great progress. ＝If you work hard, you'll make great progress. 表示条件 Presentation 表示结果 to do 形式作结果状语 - ing形式作结果状语 -ing形式做结果状语，表示随着谓语动词所表示的动作的发生而产生的自然结果，顺理成章的结果。 to do形式作结果状语时常表出乎意料的结果，糟糕的结果。有时可以在to do前面加only表达语气的强调. 例：He was late again, making his teacher very angry with him. 例：He came back to the dormitory, only to find his money stolen. Presentation 现在分词作让步状语时，相当于一个以though/although/even if/even though引导的让步状语从句。 尽管被告知了很多次，但他还是犯了同样的错。 Having been told so many times, he still made the same mistakes. ＝Although/Though he had been told so many times, he still made the same mistakes. Presentation 表示让步 -ing形式的时态应用 是否强调动作发生的先后顺序 Having fini ... ...
