Unit 2 Healthy lifestyle Period 3 Discovering useful structures课件 -【新教材精创】2020-2021学年高中英语新教材同步备课(人教版选择性必修第三册）

人教版 选择性必修三 Period 3 Discovering useful structures The infinitive of the verb used as the subject Unit 2 Healthy Lifestyle 1 1.Enable the Ss to master the usage of the infinitive of the verb as the subject 2.Enable the Ss to use the relevant grammar flexibly and authentically in the real situation. Teaching Goals 2 The Infinitive (to do ……) 单元语法自我探究 Look at the following sentences and pay attention to the italicized infinitives. Find more infinitives in the reading passage, and tell their meanings and functions. 1. To change bad habits is never easy. 2. It took the surgeon three hours to finish my mother’s ling surgery. 3.To join the people’s Liberation Army, it is required for men to shave off their beards. 4. It was not polite to disturb your neighbors with loud music last night. More infinitives in the reading passage 1….it can be easy for some of them to form bad habits. 2. After all, it is not easy to break bad habits. keys 动词不定式在句中做主语，有时为了保持句子的平衡，避免头重脚轻，常用