Unit 4 Fun with science Grammar and usage Subjunctive mood (I) 课件 -2022-2023学年高中英语牛津译林版（2020）选修第一册

Unit 4 Fun with science Grammar and usage Subjunctive mood (I) mushroom tackle the problem cater for one's needs bring into use domestically and internationally upgrade a proposal for be under review v.快速增长 解决问题 满足...的需求 付诸使用 国内外 升级 一个...的提议 正在(被)审查中 Step 1 Warming up Read the article on P34 and translate: (1) What does the author think of the transport system in the city? Effective. (2) When was the underground brought into use? Ten years ago. (3) How many transport options have been mentioned in the blog post? What are they? Four. Buses, the underground, air transport and river ferries. Read the article on P34 and answer the following Qs. Step 2 Warming up Find the sentences with unreal conditionals in the blog post and fill in the table: Present Past Future Mixed If the city hadn't built the underground system, getting around wouldn't be so convenient. If this airport hadn't been ..., our city wouldn't have attracted .... If a bigger airport were ..., the traveller experience should be greatly improved. If they lived in our city, they could use the ferry from time to time. Step 2 Exploring and working out the rules Read and compare the following pairs of sentences. (1) a. If they lived in our city, they could use the ferry from time to time. b. Living in our city, they can use the ferry from time to time. (2) a. If this airport hadn't been constructed, our city wouldn't have attracted so many tourists. b. This airport was constructed, so our city attracted so many tourists. (3) a. If a bigger airport were built, the traveller experience should be greatly improved. b. After a bigger airport is built, the traveller experience will be greatly improved. (4) a. If the city hadn't built the underground system, getting around wouldn't be so convenient. b. Getting around is so convenient, because the city built the underground system. Finish “Working out the rules” of part A on P34. imaginary had (been) done Future 主从句 构成 意义 虚拟条