Unit 3 Fascinating parks Discovering Useful Structures 语法课件-2022-2023学年高中英语人教版（2019）选择性必修第一册

Lead-in 一个句子中有且只有一个谓语动词 多个谓语怎么办？ 思考：在一个句子已有谓语动词且没有连词和从句的情况下第二个动词要怎么办？ 1. Even though the sun is brightly shining, telling whether it is morning or night is impossible. 2. Getting here is quite difficult, so apart from the Sami very few people have ever seen Sarek. I love English. 句号、问号等断开 and、but、so等连词 从句 https://www.ypppt.com/ 1 3. For hundreds of years, ________ (look) after reindeer was a way of life for the Sami. (教材P26) 4. _______ (be) in such a beautiful and wild place makes me feel blessed to be alive. (教材P27) Being looking 在一个句子已有谓语动词且没有连词和从句的情况下第二个动词要用非谓语的形式 非谓语动词的三种形式 to do 动词不定式 V-ing 动名词 现在分词 V-ed 过去分词 2 关于动词­ing形式的基本情况 1．动词­ing形式是动词的一种非谓语形式，包括现在分词和动名词两种。 1. a swimming boy a swimming pool 2. a sleeping car a sleeping baby 2. 动词­ing形式在句中的语法作用：动名词在句中作主语、宾语、表语和定语，现在分词在句中作状语、宾语补足语和定语。 v-ing功能分类 v-ing形式 动名词 现在分词 主语 宾语 表语 定语 定语 表语 状语 宾补 Playing with fire is dangerous. Jim likes jumping in muddy puddles. Her idea is building up a new company. People living there are quite friendly. He really needs a washing machine. The performance was really amazing. Laughing and talking, they went in. I love to watch her performing on the stage. Unit 3 Fascinating Parks Discover Useful Structures The -ing form as the subject 5 The -ing form as the subject 动词­ing形式作主语 一、用法 1. 动词­ing形式作主语时，往往表示经常性、习惯性的动作或状态，通常置于句首。 Reading aloud is a good way to learn a language.大声朗读是学习语言的一种好方法。Wasting a person's time is the same as killing him for his property.浪费一个人的时间等同于谋财害命。 2. 有时可用it作形式主语前置，真正的主语是 -ing形式。 但这种句子形式有一定的限制，作表语的只能是某些形容词或少数名词。 It is no use waiting for other people to make decisions for you.等别人替你做决定是没有用的。It is a waste of time persuading such a person to join us.劝说这种人加入我们是浪费时间。 常见的名词或名词短语 常见的形容词 no use, no good, fun, no pleasure, a waste of time worthwhile, useless It +be +a waste of time doing 做…是浪费时间的 It is/was no good/use doing 做…是没用处的 It is no pleasure doing sth. 做某事没有乐趣 It is/was fun doing做…是有趣的 It is/was worthwhile doing 做…是值得的 It