人教版（2019）必修第二册Unit 4 History and Traditions Discovering Useful Structures 课件（共36张PPT)

人教版2019必修第二册 Unit 4 History and Traditions Discovering Useful Structures Learning objectives: At the end of this lesson, students are able to: Understand the definition, formation, and basic meaning of past participles. Master the usage of past participles as attributes and object complements. Correctly distinguish the differences between past participles and other non-finite verbs. Lead-in： 用来修饰、限定、说明名词或代词的品质与特征。 形容词 名词、代词、数词 介词短语、动词不定式、分词 定语从句 定语 Attribute 定语 定语 6. Mother made a birthday cake for Zhang Jiaying． 4. Li Boyi’s father is a tall man. 5. Africa belongs to the third world. 3. His mom is a teacher. 2. Zhang Hao lives in a village nearby. 1. Zhang Jiajing is a cute girl. （形容词） (副词） （代词） （数词） （名词所有格/形容词） （名词） 修饰、限定、说明名词或代词，译为“...的” Object Complement 宾语补足语 在英语句子中，某些及物动词或介词后面需要宾语，还需要某个词或词组来补充说明宾语的性质，属性，状态，程度等，这些词或词组被称为宾语补足语。 及物动词/介词+宾语(n./pron.)+宾语补足语(n./adj./adv./to do/-ing/-ed/介词短语 There is still good availability of some of the hottest toys this Christmas, but we still advise parents and shoppers to get to stores as early as possible next week. 这个圣诞节期间一些热门玩具仍然货源充足，但我们还是建议家长和购物者下周尽早去商店购买。 Lead-in： Everyone calls him Tom. (宾语) (宾补) (主语) (谓语) 宾补: 放在宾语_____, 对宾语_____的作用。 之后 补充说明 宾语补足语 --对宾语的补充说明 Vt 1. 基本模式：done 不规则变化见P114 动词原型+ed 2. 意义：一般表示完成的和被动的动作。 Lead-in： What is the past participle(过去分词）？ an _____ player 一个受伤的球员 injured the _____ leaves 落叶 fallen a _____ stamp 一枚用过的邮票 used Past Participle as the Attribute： 过去分词(短语)作定语时的位置 单个的过去分词作定语时，常放在被修饰词之前 a closed door a broken window a polluted river Past Participle as the Attribute： 过去分词短语作定语时,常放在被修饰词之后。 The laptop joined to the Internet belongs to Lucy. 过去分词(短语)作定语时的位置 The laptop which is joined to the Internet belongs to Lucy. 1. He is one of those invited. 2. There was nobody punished here. Tip 1： 单个的过去分词修饰复合不定代词something, everything, anything, nothing, nobody等或指示代词those时，要放在这些词的_____ 后面 注：有些单个的过去分词如 left(剩余的)等作定语时习惯后置 某些动词的过去分词已成为形容词，这类形容词多用来表示人物的心理特征或感情变化。常见的这类过去分词有：disappointed、moved、interested、surprised、shocked、puzzled、excited、frightened、worried、pleased等 常常修饰人以及look、expression、voice、smile等 1.The frightened baby kept crying. 2.From his excited look, I know he passed the examination. Tip 2： Tip 3： 及物动词的过去分词作定语，在语态上表示被动；在时间上，常表示动作已完成，有时也不表示时间性。 eg: The plan put forward at the meeting will be carried out soon． Tip 4: 不及物动词的过去分词作定语，它不表示被动意义，只强调动作完成。 eg: Many little kids like gatherin ... ...