约17150字。

　　Unit1 Great Scientists-Grammar 学案
　　过去分词作定语和表语
　　-- Look at the excited boy! Why
　　is he so happy?
　　-- He has got the first prize in
　　the contest.
　　-- No wonder he is excited!
　　一、过去分词作定语
　　1. 前置定语
　　被动意义：
　　an respected guest  一位受尊敬的客人
　　How many finished products have you got up to now?
　　=How many products that have been finished have you got up to now?
　　到现在为止，你已经得到多少成品？
　　完成意义：
　　a retired worker 一位退休的工人
　　The children are cleaning the fallen leaves in the yard.
　　=The children are cleaning the leaves that have fallen in the yard.
　　孩子们正在打扫院子里的落叶。
　　总结：________的过去分词作定语，通常放在被修饰的名词之______, 作前置定语。表示________和________的意义。
　　2.后置定语
　　Things seen are better than things heard.
　　=Things which are seen are better than things which are heard.
　　眼见最好。
　　This will be the best novel of its kind ever written.
　　=This will be the best novel of its kind that has ever been written.
　　这将是这类小说中写得最好的。