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课件网) Unit 1 Knowing me, knowing you Learning Objectives 01 Learning Objectives 01 Discover and understand the usages of the past participle as adverbial. 03 Master common methods and strategies of English grammar. 02 Conclude and summarize the usages of the past participle as adverbial by observing the examples of past participle as adverbial, and apply them in the real context. Students can better understand the usage of past participle as gerund. 1. Students can master the use of the past participle as a gerund and can practice making sentences. 2. Students can learn and master the language skills of politely refusing the requests of others. 01 02 Teaching Focuses and Anticipated Difficulties Grammar 02 Looking at the sentences from the reading passage and answer the questions. Who was disappointed in sentence (a) What is approached in sentence (b) Why does the author use -ed instead of -ing here Because -ing is used when the action is done by the subject of the sentence, while -ed isused when the action is done to the subject of the sentence. Here, both "disappoint" and "approach" are actions done to the subjects. "I" "Your friendship" Looking at the sentences from the reading passage and answer the questions. -ed as adverbial adverbial clauses What is the difference between the two groups of sentences Sentences(a) and (b) contain -ed as adverbia while sentences (c) and (d) contain adverbial clauses. What is the difference between the two groups of sentences Because -ed makes the sentences shorter and sound more formal as written language. -ed as adverbial—过去分词作状语 用法： 1. 过去分词作状语的功能 2. 过去分词作状语的类型 3. 过去分词作状语的位置 其他 过去分词与现在分词做状语的区别 1. 过去分词作状语的功能 过去分词作状语时，表示的动作是主语动作的一部分，与谓语表示的动作或状态是同时或几乎同时发生的，有时先于谓语动词的动作发生；其逻辑主语通常是句子的主语；过去分词与主语之间是逻辑上的动宾关系。 Built thirty years ago, the house looks very beautiful.虽然这座 房子是30年前建造的，但是它看起来很漂亮。 2. 过去分词作状语的类型 过去分词作状语时，可以表示原因、条件、让步、时间、方式和伴随状况。过去分词作方式状语和伴随状语时可以变为并列分句，作其他状语时可以变为相应的状语从句。 用法 3. 过去分词作状语的位置 通常放在句首或句末，有时也可放在句中。 Given more time, we could do it much better. 如果多给我们点时间，我们会做得更好。 Discussed many times, the problems were settled at last.多次讨论之后，这些问题终于解决了。 Mrs. Wu came in, followed by her daughter.吴太太走了进来，她的女儿紧跟其后。 Encouraged by the progress he has made, he works harder. 由于受到所取得进步的鼓舞，他工作更努力了。 用法 1 过去分词作状语时，有时为了强调，前面可带有连词，如：when, while, if, though, as if, unless等,构成 “连词+过去分词”结构，以使句意表达得更清楚。 Unless constantly repeated, the English words are easily forgotten. 这些英语单词很容易忘记，除非不断重复。 2 过去分词作状语时，其逻辑主语必须与句子的主语保持一致 ... ...
