Unit 3 Grammar Comparatives and superlatives 形容词比较级和最高级 课件2022-2023学年沪教牛津版英语八年级上册

Quiet Unit 3 Grammar The comparative and superlative of adjectives SUMMARIES & PLANNINGS MORANDI ELEGANTLY 形容词的比较级和最高级 1 Meet my friend David He will go to Beijing for a photography show next month. David is a photographer. David’s shopping list a camera a laptop a suitcase David visits a shopping centre David goes to a computer store and has a talk with the salesman (售货员) David: These two laptops look cool. I was wondering about their prices. Salesman: Laptop A is cheaper and laptop B is more expensive. 笔记本A更便宜，笔记本B更贵。 Laptop A is cheaper than laptop B. 笔记本A比笔记本B更便宜。 Laptop B is more expensive than laptop A. 笔记本B比笔记本A更贵。 Laptop A RMB 5000.00 Laptop B RMB 8000.00 比较级：用于两者作比较时 To form the comparative of adjectives，we often add –er to short adjectives and use more with long adjectives. 比较级的构成：短的形容词词尾加-er，长的形容词（双音节或多音节词）前加more，意为“更…” 2. We often use than after the comparative of adjectives. 比较级后可加than，意为“比” 6 形容词比较级的构成 – 特殊情况 3. 以不发音的e结尾，直接加 (e)r。如: nice - nicer, large - larger 4. 以“辅音字母+ y”结尾的双音节词，先改y为i，再加-er。如： easy – easier, happy - happier 5. 部分形容词双写结尾的辅音字母。如： big – bigger, thin – thinner, fat - fatter, hot - hotter, red - redder, wet - wetter, sad - sadder 6. 部分形容词不规则变形。如： good – better, bad – worse (更糟), many/much – more, little - less 7 Laptop B is _________ (heavy). Laptop B is heavier _____ laptop A. Laptop B is ________ (thin) _____ laptop A. The keyboard of laptop A is ___________________ (comfortable) _____ laptop B. David can’t decide which one is ________ (good). Laptop A Laptop B weight 1.58kg 2.30kg Thickness (厚度) 45 mm 38 mm Keyboard comfortableness ★ ★ ★ ★ ★ ★ ★ heavier than thinner than more comfortable than better 8 Salesman：Can I help you , sir？ David：Yes, I need a suitcase .Can you tell me about these two? Salesman：Sure. The red one costs ￥2,500, and it’s made of leather. David： I see. The red one is_______________ (expensive) than the black one . What about the weight? Which one is __________? more expensive lighter big