Unit 3 Fascinating Parks Learning about Language第2课时 课件-2023-2024学年高中英语人教版（2019）选择性必修第一册

Unit 3 Fascinating Parks Learning about Language Period 2 Getting here is quite difficult. Being in such a beautiful and wild place makes me feel blessed to be alive. Analyzing Identify the function of the -ing form in the sentences below. subject subject 描述具体的行为，谓语动词是“is”。 描述具体的行为，谓语动词是“makes”。 Then find more sentences with the -ing form from the reading passage and state their functions. I wake up to the sound of the wind buffeting the cloth of my tent. Even though the sun is brightly shining, telling whether it is morning or night is impossible. Checking my watch, I see that it is 7:30 a.m. Spreading out before me, branches of the Rapa River flow through the valley below. attribute subject adverbial adverbial Analyzing For hundreds of years, looking after reindeer was a way of life for the Sami. But every spring, a small number of Sami still follow their reindeer into the valleys of Sarek, living in tents or old cottages and enjoying their traditions. For example, this morning my breakfast is flat bread warmed over a fire, dried reindeer meat, and some sweet and sour berries that I found growing near my tent. Here I am, alone under this broad sky, breathing the fresh air, and enjoying this great adventure. Analyzing subject adverbials complement adverbials Grammar Summary 动词-ing作主语 动词的-ing形式作主语一般有三种形式: 1. 在句首直接作主语。 例如：For a lot of people, becoming a millionaire is a symbol of success. 2. it在句首作形式主语，动词-ing形式在句子后部作真正的主语。 例如：It wasn’t easy knowing where the ball would go. 3. There be +no+动词的-ing形式。 例如：There was no telling when this might happen again. = It is impossible to tell when this might happen again. 动词-ing形式作主语通常表示抽象性、经常性以及习惯性动作， 谓语动词要用单数。 动词-ing形式作主语vs动词不定式作主语 动词的-ing形式作主语： 1. 通常表示抽象动作，往往是普通的、一般的行为； 2. 通常表示已知的事情或经验。 例如：Reading French is easier than speaking it. 动词不定式作主语： 1. 通常表示某次具体动作或行为。 2. 通常表示一件未完成的事情或未达成的目的。 例如：To stop the work now seems impossible.