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选修8《Learning about Language》新课标教案优质课下载
to master special points we should pay attention to
Teaching difficulty: to use the past participle correctly
Teaching method: task based , discussion
Teaching tools: multi-media
Step 1 Lead-in sentences taken from the text to show the use of the past participle
1. Polluted air and water are harmful to people’s health.
2. Now when people refer to England, you find Wales included as well.
3. He got interested in two theories explaining how cholera killed people.
4. Once seen, it can never be forgotten.]
过去分词可以在句中作定语，宾补，表语，状语。
Step2 discuss in groups and learn the changes between the past participle and the past participle phrases
the functions of the past participle as adverbial : 过去分词（短语）作状语表示时间、原因、条件、让步、伴随等；相当于一个状语从句。过去分词（短语）作状语，有时可根据需要加上适当的连词（when, while, until, once, if until, though等），构成“连词+过去分词”结构作状语。
1. When asked what had happened, he kept silent.
2. Hit by a lack of fresh air, my head ached.
3. Once taught by me, she would become an upper class lady.
4. Worried about the journey, I was unsettled for the first few days.
5. Given such a good chance, you should make full use of it.
6. Left alone at home, he didn’t feel afraid at all.
7. Followed by his wife , the professor went into the countryside.
1. When he was asked what had happened, he kept silent.
2. Because my head was hit by a lack of fresh air, my head ached.
3. Once she is taught by me, she ‘d become an upper class lady.
4. As I was worried about the journey, I was unsettled for the first few days.
5. If you are given such a good chance, you should make full use of it.
6. Though the little boy was left alone at home, he didn’t feel afraid at all.