人教八年级上册英语 Unit4形容词、副词的比较级和最高级(共18张PPT).ppt

1、Unit4 Whats the best movie theater? Grammar Class 形容词、副词的比较级和最高级 Free talk Whos your best friend? Please introduce him or her. Try to make sentences fat fatter fattest small smaller smallest short shorter shortest 比较级：两个人或物进行比较，而且单词 要由原级变成比较级形式，“更” 最高级：三个或三个以上的人或物进行比 较，而且单词要变成最高级形式，“最” smallsmallers

2、mallest talltallertallest bigbiggerbiggest fatfatterfattest Finefinerfinest latelaterlatest easyeasiereasiest earlyearlierearliest beautifulmore beautiful the most beautiful interesting more interestingthe most interesting Summary 1.单音节词和部分双音节词 A. 加er / est B. 以字母e结尾的词，在词尾加r或者st C. 重读闭音节词词尾只有一个辅音字母时

3、， 先双写该辅音字母，再加er/est D. 以“辅音字母加y”结尾的双音节词，先 把“y”改为“i”再加er/est 2.多音节单词和部分双音节词 在词前加more/most (形容词最高级前必须 加 the,副词前可加可不加the) 不规则变化 good/wellbetterbest bad/badlyworseworst many/muchmoremost littlelessleast farfartherfarthest(远近) farfurtherfurthest(表程度) oldolderoldest(表示新旧) old-older/elderoldest/eldest(表示兄弟

4、姐妹之间 的长幼) 速记顺口溜 一坏（bad）加两好（good , well） 两多（many, much）加一少（little） 远的有两个（far）还有旧和老（old） 写出下列单词的比较级和最高级 high tall funny comfortable little thin badly slow higher taller funnier more comfortable less thinner worse slower highest tallest funniest the most comfortable least thinnest worst slowest 如何判断使用比

5、较级？ 1. 句子中给出两个明确的人或物，并用or连接 Eg. Who is taller, Tom or Mike? 2. 句子中出现 than, than前用比较级 Eg. Tom is taller than Mike. 3.句子中出现修饰比较级的词或短语，比如 much, even, any, a little, a bit, a lot, a great deal Eg. Tom runs much faster than me. 4. 比较级的一些固定结构 同一个词的比较级，用and连接 表示“越来越” colder and colder faster and faster The

6、 +比较级+主语+动词，the+比较级+主语+ 动词 “越越” Eg. The more food you eat, the fatter you will be. 如何判断使用最高级 1. 句子中出现三个明确的人或物，用or连接 Eg. Which is the biggest, the sun, the moon or the earth? 2. 句子中出现介词in或of 表示比较的范围，用最 高级，比如 in our class, of all the boys. Eg. He is the tallest of all the boys. 3. 句子中出现one of, one of

7、后面肯定是最高级 Eg. Beihai Park is one of the most beautiful parks in Beijing. 4. 句子中出现序数词，序数词后用最高级 Eg. The Yellow River is the second longest river in China. 实战真题 用所给词的正确级别填空 1. It is _ in Shanghai than that in Beijing.(warm) 2. The African elephants is one of _ animals in the world.(big) 3. Who is _ Tom , Mike or Jack?(tall) 4. It was cold yesterday. It is even _ today. (cold) 5.Of all the months in the year, July is_(hot)