Unit1Grammar课件2025-2026学年牛津译林版（2024）初中英语八年级上册

Grammar Unit 1 Friendship 23021 能掌握形容词的比较级和最高级的构成。 能掌握形容词的比较级和最高级的用法。 01 02 学习目标 23021 Lead in Let’s watch! 23021 Read the sentences below and pay attention to the use of comparative and superlative adjectives Betty’s hair is longer than mine. Max is more interesting than his classmates. Betty is the most helpful person in our class. Max is the tallest boy in our class. 新课讲授 We use “comparative adjectives + than” to compare ______________ people or things; we use “the + superlative adjectives” to compare ______________ or more people or things. two three 23021 How to form comparative and superlative adjectives? 当我们将两个对象进行比较时，我们要用形容词的比较级，表示“较……”“更……一些”“比……更……”。 当被比较的对象是三个或三个以上时，我们会用形容词的最高级，表示“最……”，最高级前通常要加定冠词 the。 23021 1. 大多数词后加er或est 2. 以字母e结尾的词后加r或st 3. 以一个辅音字母结尾的重读闭音节词 ，双写最后一个辅音字母，再加er或est 形容词比较级和最高级的构成方法 e.g. small—smaller—smallest near—nearer—nearest e.g. large—larger—largest fine—finer—finest e.g. hot—hotter—hottest slim—slimmer—slimmest 23021 6 4. 以辅音字母+y结尾的词，去掉y，再加ier或iest 5. 部分双音节词和多音节词在前面加more或most e.g. busy—busier—busiest tidy—tidier—tidiest e.g. beautiful—more beautiful—most beautiful wonderful—more wonderful—most wonderful 23021 口诀 比较级要变化，一般词尾加-er。 词尾若有哑音e，直接加r就可以。 重读闭音节，单个辅音字母要双写。 辅音字母加y，要把y改i。 最高级加-est，前面加the莫忘记。 形容词若是多音节，只把more，most前面写 23021 注意： 构成形容词比较级和最高级的er和est，自成一个音节，读作/ə(r)/ 和/ɪst/。如果原级词末为不发音的字母 r，加er和est 时，r 要发/r/ 音，如clear /klɪə(r)/、clearer /ˈklɪərə(r)/、clearest /ˈklɪərɪst/。如果原级词末的发音为/ŋ/，加er 和est 时，/ŋ/音后得加上/ɡ/音，如 long /lɒŋ/、longer /ˈlɒŋɡə(r)/、longest /ˈlɒŋɡɪst/。 23021 good—better—best well(健康的)—better—best bad—worse—worst ill—worse—worst many—more—most much—more—most little (少的)—less—least 常见的形容词比较级和最高级的不规则变化如下： 23021 注意： 有些形容词有两种比较级和最高级的变化方式。如： clever—cleverer/more clever—cleverest/most clever far—farther/further—farthest/furthest 23021 形容词比较级常见用法 1. A + be + 比较级 + than + B. e.g. This picture is more beautiful than that one. 这幅画比那幅画更漂亮。 2. Which/Who ... + 比较级 , ... or ...? e.g. Which picture is more beautiful, this one or that one? 这幅画和那幅画，哪个更漂亮? 23021 3. 比较级前用a little、much、even 等词来修饰 e.g. China is much larger than Japan. 中国比日本大得多。 4. “比较级 + and + 比较级” 越来越…… e.g. China is becoming stronger and stronger. 中国正变得越来越强大。 23021 1. the + 最高级 + of/in+表示范围的词语 e.g. I am the tallest of/among the three. 我是三个人中最高的。 Russia is the largest country in the world by area. 俄罗斯是世界上面积最大的国家。 2. one of 后面的形容词常用最高级 e.g. It's a present for one of my children. 这是送给我的一个孩子的礼物。 形容词最高级常见用法 23021 4. 用序数词修饰形容词的最高级。 3. 形容词性物主代词 + 最高级 注意：此时形容词的最高级前不需要加定冠词the。 e.g. Peter is his oldest son. 彼得是他的长子。 e.g. In the USA, the second largest city is Los Angeles. 美国的第二大城市是洛杉矶。 23021 Complete the table with the correct comparative and superlative adjectives. Adjective Comparative Superlative Adjective Comparative Superlative funny pretty close bright beautiful interesting kind sad slim wonderful difficult heavy smart good cute bad Practice 23021 Adjective Comparative Superlative Adjective Comparative Superlative funny funnier funniest pretty prettier prettiest close closer closest bright brighter brightest beautiful more beautiful the most beautiful interesting more interesting the most interesting kind kinder kindest sad sadder saddest slim slimmer slimmest wonderful more wonderful the most wonderful difficult more difficult the most difficult heavy heavier heaviest smart smarter smartest good better best cute cuter cutest bad worse worst Check the answers. 23021 Millie Sandy Amy Peter Kitty Simon Height (cm) 161 170 158 173 160 178 Weight (kg) 50 55 47 60 45 68 Drawing grade A A+ A B B B+ 50m swimming (sec.) 80 76 60 68 70 65 Standing long jump (cm) 190 195 180 220 185 230 Daniel has made some notes about his classmates. Complete his notes below. 1 Peter is ___________________ (short) Simon. 2 Simon is ___________________ (tall) of the six students. 3 Amy is ___________________ (light) Sandy. 4 Simon is ___________________ (heavy) of the six students. 5 Peter’s drawing grade is ___________________ (low) Millie’s. shorter than the tallest lighter than the heaviest lower than 23021 Millie Sandy Amy Peter Kitty Simon Height (cm) 161 170 158 173 160 178 Weight (kg) 50 55 47 60 45 68 Drawing grade A A+ A B B B+ 50m swimming (sec.) 80 76 60 68 70 65 Standing long jump (cm) 190 195 180 220 185 230 6 Sandy’s drawing grade is _________________ (high) of the six students. 7 Among the six students, Millie is _________________ (slow) swimmer. 8 Amy is _________________ (fast) swimmer of the six students. 9 Simon’s test score for the standing long jump is _________________ (good) Peter’s. Simon’s test score for the standing long jump is _______________ (good) of the six students. the highest the slowest the fastest better than the best 23021 Describe your friends, including their looks and what they are good at, using comparative and superlative adjectives. 23021 一、写出下列形容词的比较级和最高级。 原级 比较级 最高级 helpful tidy wide hot great little more helpful most helpful tidier tidiest wider widest hotter hottest greater greatest less least 当堂检测 23021 1. The sun is __________ (big) than the earth. 2. Which one is ________ (heavy), this box or that one? 3. Who is ________ (tall), Pingping or Yangyang? 4. Which is (fast), bike, bus or plane? 5. He is one of (popular) singers in China. 6. Of all the girls, Lucy is ______________. (slim) bigger heavier taller the fastest the most popular the slimmest 二、用所给单词的适当形式填空。 23021 ✍ Review the lesson we learnt today. ✍ Review the next lesson. Homework 23021 Lavf57.83.100 $$