1、 Period 3 Discovering Useful StructuresHistory and traditions unit Express your feelings and describe situationsbegodohavemakeknowcome动词的三种形式(现在式、过去式和过去分词)was/werewentdidhadmadeknewcamebeengonedonehadmadeknowncomethe past participlepast tenseroom form1.an honored guest the fallen leavespresentation当
2、过去分词是复合形式，一般放在被修饰词前面作前置定语 V-ed 作_前置_定语单个的过去分词作定语放在被修饰的名词_前面_，表示_被动_和_完成_。a. It came from the river pollutedby the dirty water. b. It came from the river which was polluted by the dirty water.，过去分词放在后面，作后置定语，相当于一个定语从句4 Rewrite the sentences with past participles as the attribute.(1) Loch Ness was sur
3、rounded by beautiful natural landscape, which made it look amazing._Loch Ness surrounded by beautiful natural landscape looks amazing.production(3) The familys ancestors once attended to soldiers who were wounded in the First World War._The family s ancestors once attended to wounded soldiers in the
4、 First World War.4 Rewrite the sentences with past participles as the attribute.production 如果被修饰的词是由every/some/any/no + thing/body/one所构成的复合代词或指示代词those等时，即使一个单一的分词作形容词用，也要放在被修饰词的后面。 例如： Nothing reported ( in the newspaper) interested him. 注意: 过去分词与它相关联的名词时是被动关系 单个分词作名词的定语时，其位置在名词前； 分词以短语形式出现则其位置在名词
5、后 后置定语：过去分词短语作定语时位于被修饰词之后 前置定语：单个的过去分词作定语一般前置 当过去分词是复合形式，一般放在被修饰词前面作前置定语boiling waterboiled waterthe changing worldthe changed worlding ing 与与ed ed 作定语的区别作定语的区别 正在沸腾的水已经烧开的水正在发生变化的世界已经变化了的世界V-ing表动作正在进行， V-ed表动作已经完成4. The computer centre, _ last year, is very popular A. open B. opening C. having opened D. opened 5. The textbooks written for English as a foreign language came out in the 16th century. A. having taught B. to be taught C. being taught D. teaching
