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《Grammar and usage(1)： Overview： infinitive, verb-ing and verb-ed(I)》优质课教案下载
【学习重点】
掌握区分verb-ed形式和verb-ing形式的方法。
【自主探究】
Read the following passage and find out the verb-ing or verb-ed forms in the sentences.
The job of a scientist is to find out the truth in the field of science. It is a challenging profession. Scientists usually have to do thousands of experiments in order to prove something. Although they are often disappointed if they fail, most of them never give up. My next door neighbor is a scientist. He studies radiation. He is always working in his lab, trying to figure out all the mysteries that make him puzzled. When I met him the other day, he had just come back from work, and looked happy. He told me he had had a breakthrough. He sounded so thrilled. Then I noticed that he was wearing shoes that did not match. He must have been working too hard to notice! I think it is good to do a job that you show interest in. Otherwise, you will get bored easily.
现在分词与过去分词区别
两者之间的区别主要体现在时态和语态上：
（1）在时态上：现在分词表示动作___________，而过去分词表示动作_________。
（2）在语态上：现在分词表示与逻辑主语间是________关系；而过去分词表示与逻辑主语间是_________关系。
总之，现在分词表主动、进行；过去分词表被动、完成。在句法功能上它们都可以作定语、表语、状语和宾补。
【交流展示】
1. used as the attributive
1). position
Do you know the____________________(哭着的）boy?
Do you know the boy_________________________（在树下哭的） ?
We are trying our best to catch up with the_____________（发达的）country.
The students are discussing a book_________________(由鲁迅写的).
★Find out the rules:
单个的分词作定语时一般前置（位于被修饰的词之前），分词短语作定语时后置。
2).Relationship
The meeting___________ (hold) last week is very important.
Tell the children___________ (play) there not to make so much noise.
★Find out the rules:
现在分词与逻辑主语之间是___________关系。
过去分词与逻辑主语之间是___________关系。