(
课件网) Unit 4 Journey across a Vast Land Discovering useful structures 主讲人:新建三中 Cathy 行业PPT模板http:///hangye/ Learning objectives 1. deduce the rules of –ed and –ing forms in context; 2. compare the difference between –ed and –ing forms ; 3. use –ed and –ing forms appropriately in language output. Discovering the rules Part One → 复习： 如果句中已经存在一个 动词， 那么在没有 的情况下， 这个句子就是 句， 那么,另一个动词要选用 动词。 谓语 连词或引导词 简单 非谓语 Exercise 1 判断下列句子应使用（A.谓语）还是 (B.非谓语动词)。 （1）The book _____(write) by San Mao. （2）I like reading the novels ____ (write) by San Mao. written was written A B 确定谓语动词 or 非谓语动词 ？ 判断非谓语动词的形式： →填非谓语动词：句子中已有 且无 。 逻辑主语 与非谓语 之间 → 表目的和将来，用_____ → 表主动和进行，用_____ → 表被动和完成，用_____ 不定式to do 现在分词doing 过去分词done 谓语动词 连词或引导词 （1）The girl that lives in the city _____(make) a phone call to the farmer yesterday. （2）She got off the bus, but _____(leave) her book in the bus. （3）She got off the bus, _____(hold) her book. （4）_____(drive) by a burning desire for adventure, Li Ming left home and started to travel around his early twenties 判断下列句子应使用（A.谓语）还是 (B.非谓语动词) made left holding Driven A A B B 1.The next day was clear and mild,and they were （please）to see the beautiful mountains looking out over the city. 2. （see) from the train window,the mountains and forests of Canada looked massive. 3.However,they did not anticipate seeing such an open country,and were truly （amaze）. 4.The girls were （amaze） to see such an open country. 5.Do you feel （fright）when going into the wilderness alone 6.Finally,the company— （head） by its new manager—started to make a profit. pleased amazed Seen amazed frightened headed 课文探究感知 归纳 1.第1、3、4、5句中的黑体词都是过去分词作 。 2.第2、6句中黑体词是过去分词作 。过去分词与逻辑主语之间构成 关系。 表语 状语 被动 ?过去分词作表语和状语 Past participle -ed Present participle -ing 作表语 描述情感： 感到……的 描述人/物/地点： 令人……的 作状语 与逻辑主语之间的关系是被动的 与逻辑主语之间 的关系是主动的 Practice1:Fill in each blank with the correct form of a verb from the box. see frighten head amaze 1. The girls were _____ to see such an open country. The farms covered a very large area, which was _____. 2. Going into the wilderness alone can be _____. Do you feel_____ when going into the wilderness alone 3. _____ from the top of the mountain, the scenery was really fascinating. _____ the scenery from the top of the mountain, I was fascinated by the autumn colors. 4. _____ eastwards, you will pass the Canadian Rockies. The group of visitors,_____ by the tourist guide, really had an enjoyable time in Lake louise. amazed amazing frightening frightened Seen Seeing Heading headed Studying the rules Part Two 1．过去分词作表语，表示主语所处的状态 ... ...
