Unit 4 Scientists Who Changed the World Grammar and usage 过去分词课件-2023-2024学年高中英语译林版（2020）必修第三册

Grammar 过去分词作定语, 表语,状语和宾补 1 Guessing game: Find something to match the riddles(猜谜) (1) When heated, I’ll turn into gas, what am I? water (2) If taken half, I will leave nothing, what number am I? Eight (8) (3)Made of gold, I often live on the woman's finger,what am I? ring What can you find? (1). When heated, water turns into gas. (2). If taken half, 8 will leave nothing. (3). Made of gold, rings often live on the woman's finger. 过去分词 过去分词的基本形式你知道吗? 那么简单,谁不知道。是由动词末尾加 -ed 形式构成,因此又叫动词的 -ed 形式。 V+-ed drove fought ran forgot forgotten became blew dealt drew mistook caught shrank sang drunk flew 思考:什么是过去分词? 示例 一般 过去 过去分词 规则/不规则 dive dived dived 规则 fetch fetched fetched 规则 swell swelled swollen 不规则 see saw seen 不规则 过去分词_ 表被动/完成 Part One (过去分词用作定语) a closed door a broken window a polluted river Find out the rules: 归纳1:单个过去分词作定语放于其修饰的名词之_。 前 =The player _ _ _ by many people is Yao Ming. The player _ is Yao Ming. 这个被很多人喜爱的运动员叫做姚明。 who loved is loved by many people 归纳2:过去分词短语作定语时,一般置于其修饰的名词之_,其作用相当于一个_。 定语从句 后 a girl dressed in white the fallen leaves the falling leaves 2.V-ing 表动作正在进行, V-ed 表动作已经完成。 the boiled water 正在沸腾的水 烧开过的水 the boiling water Summary V-ed作定语规律总结 1. 过去分词可用作_,修饰_。 2. 单个分词通常放所修饰词_;分词短语放在所修饰词_; 3.修饰不定代词在其_。 定语 名词或代词 之前 之后 之后 过去分词强调动作_, 不定式强调动作_, 现在分词强调动作_。 The people_ (sing)behind the classroom are all leaders and English teachers. We will have some homework_ (do)after this opening class tonight. The gentleman_ (call)Mr. Zhou is our headmaster. 被动,完成 将来 主动, 进行 Do and compare called singing to do 过去分词与不定式, 现在分词作定语的区别: 即时训练 1 However, a lot of young people consider him as a true hero.Some young people had their hair _like him.His cruel behavior even had so many people _(沉迷其中). cut addicted (1)用所给词的适当形式填空 ①The _ (excite) people rushed into the building. ②Tell the children _ (play) outside not to make too much noise. ③All the _ (break) windows have been repaired. (2)补全句子 ④Our class went on _ last Monday. 上周一我们班开展了一次有组织的旅行。 excited playing broken an organized tr