M5 U3 Grammar (1)Learning aims:1. To understand the usage of v-ed.2. To put the grammar into practice.Step 1. Review(回顾一下 v-ing 在句子中可作哪些成分?可参考一、二单元的语法)动名词在句中通常作 _________/ _________/_________ / ____________.现在分词在句中作_________ /_____________/__________/___________.Step 2. Presentation (v-ed 过去分词的讲解及用法)一、过去分词用于以下三种情况1. 和助动词一起构成完成时的谓语 (have/has/had done)2. .和 be 动词一起构成被动语态的谓语 (be done by)3. 非谓语动词 (done)二、过去分词包含两个特点: 一、被动; 二、完成 三、过去分词在句中所作的成分1.过去分词作定语1)A broken heart ; disabled students 2) Our class went on an organized trip last Monday. 上周一我们班开展了一次有组织的旅行。3) Those elected as committee members will attend the meeting. 当选为委员的人将出席这次会议。_________________________________________________________________(定语从句)(注意: 当过去分词是单词时,一般用于名词前,如果是过去分词短语,就放在名词的后面。过去分词短语做定语相当于一个被动语态的定语从句。)2. 过去分词作宾语补足语: I heard the song sung several times last week. 上周我听见这首歌被唱了好几次。Comparison:I saw the girl playing with her dog.I saw the girl get on the car and drive off.I saw the girl bitten by a dog.3. 过去分词作表语1)They are excited.2)The window is broken.3)People are often mistaken in thinking that those with high IQs always have high EQs as well.注意:be + 过去分词,如果表示状态是系表结构,如果表示被动的动作是被动语态。区别:The window is broken.(系表)The window was broken by the boy.(被动)4. 过去分词作状语: (表示时间、原因、条件、让步、方式或伴随情况等。)Lost in the forest,you should first stay calm.(____________)Though told of the danger, he still risked his life to save the boy. 虽然被告之有危险,他仍然冒生命危险去救那个孩子。(____________)Filled with...