Unit 1 The changing world Section A课件 2026-2027学年人教版九年级英语上册

这是一份Unit 1 The changing world Section A课件 2026-2027学年人教版九年级英语上册，共7页。
探究三 核心句式 Unit 1 The Changing World1 In many places, there used to be no bridges to cross over mountains and rivers, and most roads were just dirt tracks. 在很多地方，过去没有横跨山川的桥梁，而且大多数道路只是土路。分析结构 本句含there be 结构，其中used to 表示“过去常常……”, 后加动词原形。There used to be... 表示“过去有……而现在没有了”。· There used to be no subways in the city, but now there are five lines. 这座城市过去没有地铁，但现在有五条线路了。· There didn’t use to be a library here. 这里过去没有图书馆。· Did there use to be a river near the village? 村子附近过去有一条河吗？There used to be... 意为“过去有……而现在没有了”。是used to do sth 的there be 句型结构。否定句结构：There didn’t use to be...疑问句结构：Did there use to be...?肯定答语为：Yes, there did.否定答语为：No, there didn’t.2 This made it difficult for locals to bring products to the market or to develop industry. 这使得当地人很难将产品带到市场或发展工业。分析结构 该句为简单句。主语是This，made 是谓语，it 为形式宾语，真正的宾语是to bring products to the market or to develop industry，difficult 为宾语补足语，用来补充说明宾语的具体情况。· Good transportation makes it easy for farmers to selltheir crops in cities.良好的交通使农民们轻松地在城市售卖农作物。· I find it easy to finish my homework on time.我发现按时完成作业很容易。· She thinks it important to help the elderly.她认为帮助老人很重要。make it + adj. + (for sb) to do sth 意为“使（某人）做某事……”其中it 作形式宾语，真正的宾语是后面的动词不定式短语，形容词作宾语补足语。it 作形式宾语的其他常见结构还有：find/think/believe/ consider it + adj. + (for sb) to do sth 意为“发现/ 认为（对某人来说）做某事……”。