Unit 1 Wish you were here Grammar and Usage 课件-2022-2023学年高中英语牛津译林版（2020）选择性必修第三册

Unit 1 Grammar and usage Non-restrictive relative clauses 泗洪县第一高级中学 上善若水 博学笃行 Learning objectives: 1. Identify the use of non-restrictive relative clauses; 2. Work out the rules of non-restrictive relative clauses; 3. Use non-restrictive relative clauses to finish the tasks of rewriting sentences and translating sentences. 泗洪县第一高级中学 上善若水 博学笃行 Lead-in tourism 旅游业 泗洪县第一高级中学 上善若水 博学笃行 Find the sentences with non-restrictive relative clauses in the article and fill in the box of part A on page 6. These industries, in turn, give jobs to the local population, whose welfare depends on tourism. A Exploring the rules 泗洪县第一高级中学 上善若水 博学笃行 These industries, in turn, give jobs to the local population, whose welfare depends on tourism. The prices of tourist essentials such as transport, accommodation and food usually increase too, which brings even more wealth to the surrounding community. More nature-centred tourist attractions, where man and nature live in harmony, can be greatly impacted or even destroyed by the flood of tourists. As resources are used more rapidly than they can be sustained, wildlife habitats are likely to suffer, which could endanger the local plants and animals. Local festivals and customs, which may have deep meaning in a particular culture, can simply become entertainment for tourists. A Exploring the rules 泗洪县第一高级中学 上善若水 博学笃行 Rule 1: We often use a non-restrictive relative clause to add _______ (额外的）information to a noun, pronoun or noun phrase in the main clause or the main clause. A _________ （逗号）is usually used to separate the adding clause and the main clause. extra comma Working out the rules 非限制性定语从句与主句用逗号隔开，补充说明先行词或主句 泗洪县第一高级中学 上善若水 博学笃行 Rule 2: We usually introduce a non-restrictive relative clause with a relative pronoun like who, whom, which and whose or a relative adverb like when and where. The relative pronoun and adverb ________ (can /cannot) be left out in a non-restrictive relative clause. Working out the rules