Unit 1 Cultural Heritage Discovering Useful Structures 课件-2023-2024学年高中英语人教版（2019）必修第二册

Unit 1 Cultural Heritage Period 3 Discovering Useful Structures Lead-in Enjoy the song Greenfields and underline the relative clauses. Once there were greenfields kissed by the sun Once there were valleys where rivers used to run Once there were blue skies with white clouds high above Once there were part of an everlasting love We were the lovers who strolled through greenfields Greenfields are gone now, parched by the sun Gone from the valleys where rivers used to run Gone with the cold wind that swept into my heart Gone with the lovers who let their dreams depart Where are the greenfields that we used to roam Observing 1. After listening to the scientists who had studied the problem, and citizens who lived near the dam, the government turned to the United Nations for help . 2. Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from the water. Observe the sentences below and underline the relative pronouns and adverbs. Observing 3. There comes a time ______ the old must give way to the new, ... 4. Water from the dam would likely damage a number of temples and destroy cultural relics ______ were an important part of Egypt’s heritage. 5. Not only had the countries found a path to the future _____ did not run over the relics of the past, but … 6. ... by UNESCO, which runs a programme ______ prevents world cultural heritage sites around the world from disappearing. Find more sentences with relative clauses from the passage and fill in the gaps. that that that when Grammar summary Work in groups to discuss the questions below and then complete the chart. 1）你们是根据什么线索选用的关系词？ 2）主句中的先行词是什么？ 3）关系词在从句中充当什么成分？ Grammar summary 先行词 关系代词/副词 关系词在定语从句中的成分 句1：scientists; citizens who; who 主语 关系代词引导定语从句，可代替_______在定语从句中作______。 关系副词引导定语从句，可替代________在从句中作______。 句4：relics 句5：path 主语 that that 主语