Unit1Grammar课件 -2024-2025学年牛津译林版八年级上册英语

8A Unit1 Grammar comparative and superlative adjectives What sentences with comparative and superlative adjectives have we learnt in the textbook? 1/3/2025 1. The sun is 130,000 times larger than the earth. 2. My dog is the cleverest animal of all. 3.She is shorter than me/I. 4.He is the tallest boy in our class. 5.Betty is one of my best friends. Lead-in情境导学 Betty’s hair is short Betty’s hair is shorter than May’s (hair). May’s hair is longer than Betty’s (hair). Compare them Cooperation合作研学 Three famous athlets. 188cm 212cm 226cm Liu Xiang is tall. Yi Jianlian is taller than Liu Xiang. Yao Ming is the tallest of all. Cooperation合作研学 4 Try to compare Name Height Eyes Hair Ann 1.57m big long Lucy 1.65m small short Lucy is taller than Ann. Ann’s eyes are bigger than Lucy’s. Ann is shorter than Lucy. Lucy’s eyes are smaller than Ann’s. Ann’s hair is longer than Lucy’s. Lucy’s hair is shorter than Ann’s. Cooperation合作研学 5 要比较两者(两个或两群体), 指出某者比另一个更有特色时,就要用到比较级. 会用到连接词than这个词. 例如: 1. She is shorter than I am. 2. My book is more interesting than his. Cooperation合作研学 要比较三者(三个或三群体)或三者以上, 指出某者最具有特色时,就要用到最高级. 会用到the这个词. 例如: 1. He is the tallest boy in our class. 2. This is the most expensive computer in the shop. Cooperation合作研学 Adjective Comparative Superlative Rules tall small nice fine pretty easy slim big beautiful taller tallest smaller smallest 一般情况下直接加”er”或者”est” nicer nicest finer finest 以“e”结尾的形容词直接加”r”或者“st” prettier prettiest easier easiest 以辅音字母+“y”结尾的形容词把“y”改“i”加“er”或“est” slimmer slimmest bigger biggest 重读闭音节并且只有一个辅音字母结尾的形容词双写加“er”或者“est” more beautiful most beautiful 部分双音节词或者多音节词直接加“more”或者“most” 比较级和最高级的规则构成 Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Adjective Comparative Superlative good/well better best many/much more most bad/badly/ ill worse worst little less least old older/elder oldest/ eldest far farther/ further farthest/furthest 比较级和最高级的不规则构成 Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Try to change Adjective Comparative Superlative Adjective Comparative Superlative clean thin short sad cute difficult happy interesting lazy good big bad We can add -er, -est or more, most to the following adjectives with two syllables. clever handsome polite simple stupid Tip cleaner shorter cleanest thinner thinnest shortest cuter happier lazier cutest happiest laziest sadder saddest more ~ most ~ more ~ most ~ better best bigger biggest worst worse Cooperation合作研学 A class profile Height (cm) 157 170 160 173 171 Weight (kg) 45 50 44 55 53 50m swimming (sec.) 40 38 30 34 35 Drawing competition 9/10 10/10 9/10 5/10 8/10 English test 10/10 8/10 9/10 6/10 7/10 1. Simon is _ (tall) Sandy. 2. Peter is _ (tall) of the six students. 3. Sandy is _ (heavy) Millie. 4. Peter is _ (heavy) of the six students. 5. Among the six students, Millie is _ (slow) swimmer. 6. Amy is _ (fast) swimmer of the six students. taller than heavier than the tallest the heaviest the slowest the fastest Simon Peter Sandy Millie Amy Cooperation合作研学 A class profile Height (cm) 157 170 160 173 171 Weight (kg) 45 50 44 55 53 50m swimming (sec.) 40 38 30 34 35 Drawing competition 9/10 10/10 9/10 5/10 8/10 English test 10/10 8/10 9/10 6/10 7/10 7. Millie’s drawing is _ (beautiful) Peter’s. 8. Sandy’s drawing is _ (beautiful) in her class. 9. Millie’s English is _ (good) Simon’s. Millie’s English is _ (good) in her class. more beautiful than the most beautiful better than the best Simon Peter Sandy Millie Amy Cooperation合作研学 比较级的用法与句型 He is taller than I am. 1 .比较级用于比较两个人/事物;比较级后通常出现”than”. A 比较级 + than B 2.Which/who +be/动词+比较级,A or B? A和B相比,谁更....? Who is stronger, Tom or Mike? Which is bigger,the Sun or the Moon? 3. 形容词前有 much, even,a little, a lot, far,still等来修饰时, 一般比较级. Music is much more interesting than PE. 4. (1)“比较级+and+比较级” 表示越来越…… It’s getting colder and colder. (2) 多音节形容词用 more +and more+原级 Our school is getting more and more beautiful. Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 The more you eat, the fatter you are. The taller of the two boys is my brother tip 在这个句型中,比较级和定语修饰名词、代词前都要加the 5. the +比较级 (+主 +谓),the+比较级 (+主 +谓)”表示“越来越……” 6.“the+比较级+of the two +名词的复数” 表示两个中较为…… Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 A+...the + adj/adv 最高级+ of/among…(同类的人或物) in … (地方范围) Tom is the tallest of the three. This book is the cheapest one among these books. It is the biggest city in the world. He was one of the fastest swimmers of all. 1.三者或三者以上相比 (后有介词短语表示范围 ) 2. A +...one of +the +最高级+复数名词 表示A是“最…之一” 最高级的用法与句型 Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 注 意 事 项 注 意 事 项 注意比较的范围不同。 ①在同一范围内比较: 比较级+than any other +单数名词 =比较级+than the other +复数名词 =最高级+范围 上海比中国的任何城市都要大。 Shanghai is bigger than any other city in China. = Shanghai is bigger than the other cities in China. = Shanghai is the biggest city in China. 解析 在同一范围内比较时,比较的两者不能重复,所以用other 避免重复。例句中上海属于中国,属于同一范围,意思是上海比中国其他的任何城市都要大。 Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 注 意 事 项 注 意 事 项 2.farther/farthest和further/furthest的区分。 The Mars is farther from the Earth than the Moon. 火星到地球的距离比月亮到地球的距离远。 Scientists will do further study in Space in the future. 科学家们将会对太空做进一步研究。 表示具体的距离、地点时,一般用farther/farthest 表示抽象的程度“更进一步,更多”时,一般用further/furthest Cooperation合作研学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Check 检测评学 写出下列词的比较级与最高级 few long pretty shy well ill much hard nice important far little thin bad red funny fat clever polite simple 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Exercise 1 Who is _(slim), you or your cousin? 2 Today is his _(bad) day of the week. 3 The red dress is too expensive.Could you show me a _(cheap) one? 4.I think Lesson Five is_(difficult)in this book. 5.The more mistakes he made, the_(angry) he got. 6.Who do you think is _(good) teacher in our school? slimmer worst cheaper more difficult angrier the best Check 检测评学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 1. I work hard this term, but Peter works much _. A. hard B. harder C. hardest D. the hardest 2. — Would you mind staying in such a noisy room? — No, but my son needs a _ place to study in. A. cleaner B. quieter C. safer D. smaller 3. We have a lovely room. It’s one of _ in the hotel. A. nice B. nicer C. nicest D. the nicest 3-Whose home is _away from our class? -Liu Mei’s A. father B. far C. the farthest D. near Exercise Check 检测评学 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 Homework Read the words on P11 and remember the rules of comparative and superlative adjectives. 2. Write a short passage to introduce your best friend. (Please use some comparative and superlative adjectives.) comparative superlative $$