Unit 1 Festivals and celebrations Discovering Useful Structures 课件-2021-2022学年高中英语人教版（2019）必修第三册

Discovering Useful Structures Unit 1 Festivals and celebrations These lanterns are amazing. the -ing form as the predicative 动词-ing形式作表语，常位于系动词后，用以说明主语“是什么”或“怎么样”(性质或特征)。 Lead in Lead in During the Mid-Autumn Festival in China, families gather to admire the shining moon and enjoy delicious mooncakes. the -ing form as the attribute before the moon 动词-ing形式作定语，常用来修饰、限定、说明名词或代词的品质与特征，用于名词前的成为前置定语；用于名词后的为后置定语。 Discuss the functions and meanings of the italicized -ing form. Lead in Families celebrating the Lunar New Year can enjoy exciting dragon dances and carnivals together. the -ing form as the attribute after the noun the -ing form as the attribute before the noun 动词-ing形式作后置定语，用来修饰前面的名词。 Lead in 非谓语动词 分词 不定式 现在分词 过去分词 1. 将来 2. 目的 3. 某一次具体动作 1.主动 2.进行 3. 令人…的 1.被动 2. 完成 3. 感到…的 Preview 1.抽象概念 2.习惯性动作 动名词 The –ing form (1) 作定语 一、位置 单个动词的-ing形式作定语，位于被修饰名词的前面。 –ing 形式短语作定语时, 放在所修饰的名词之后，意思上相当于一个定语从句,表示主动或进行。 二、-ing作定语意义 1. -ing形式（现在分词）作定语，表示被修饰者的动作或状态。Ing与所修饰词之间是主动关系，表进行。 a sleeping baby (= who is sleeping) The man standing there is Peter’s father. (= who is standing there) 一般跟在be, get, become, look, sound, feel, keep, remain, grow, seem, appear等系动词后面，相当于形容词。 作表语 The –ing form (2) 注意：过去分词-ed与现在分词-ing作表语的区别： 动词 -ing 形式作表语 过去分词-ed作表语一般形容人； 现在分词-ing作表语一般形容物。 We are ____________(interest) in the film. The film is ____________ (interest) to us. excited exciting 9 The question is rather__________(puzzle). puzzling The student is quite___________(puzzle). puzzled Practice (Activity 2, P6) Read the following messages posted by some exchange students on an Internet forum (论坛) quickly and answer the questions. What are they discussing in the forum? How are the messages arranged? What festivals are mentioned in the discussion? By time and date. Practice Today 9:05am Sunnyli Discussion: Which festival is the best? Rio Carnival! I spent a really fun day there with my friends. It was great fun walking along the streets, enjoying the relaxing atmosphere! The performances wer