人教版八上Unit 2 How often do you exercise -Section A Grammar focus3a—3c-ppt课件-市级优课-(配套教案编号：c0105).ppt

1、Unit 3 Im more outgoing than my sister. Section A ( 2d and Grammar Focus ) 形形 容容 词词 一、概念：、概念： 英语中大多数形容词和副词都有三个等级：原级、比较级和英语中大多数形容词和副词都有三个等级：原级、比较级和 最高级。原级即最高级。原级即 原形；比较级表示“较原形；比较级表示“较.”“更“更.”；”； 最高级表示“最最高级表示“最.”。少数形容词和副词只有原形，没”。少数形容词和副词只有原形，没 有较级和最高级。如有较级和最高级。如right(正确的正确的), wrong , woolen(羊毛制羊毛制 的的)

2、等等 形容词/副词比较级与最高级的规则变化 构成构成 原级原级 比较级比较级 最高级最高级 一般加er、est tall taller tallest large larger 以字母e结尾只加r 、st largest 以辅音字母结 尾的重读闭音 节双写辅音字 母后加er、est red hot thin redder hotter thinner reddest hottest thinnest 以辅音字母加y结尾的 变y为i加er、est easy happy ugly early easier happier uglier earlier easiest happiest ugrlie

3、st earliest interesting 部分双音节和多音节 此前加more、most more interesting most interesting 形容词比较级和最高级的不规则变化 请将下列形容词与副词的比较 级写出来 Friendly_ small _ hot_ badly _ clearly_ well _ important _ late_ Friendlier smaller hotter worse more important later 2d. Role-play the conversation. Julie: Did you like the singing c

4、ompetition yesterday,Anna? Anna: Oh,it was fantastice!Nelly sang so well! Julie: Well ,I think Lisa sang better than Nelly. Anna: Oh,which one was Lisa? Julie: The one with shorter hair.I thinkshe sang more clearly than Nelly. Anna: Yes , but Nelly dance better than Lisa. Julie: You can tell that Li

5、sa really wanted to win,though. Anna: Well,everyone wants to win. But the most important thing is to learn something new and have fan. 形容词/副词原级、比较级和最高级的常用句型 1、两者情况相同使用： as+形容词/副词原级+as A+be/v+（not）as+原级+as+B(be/v) 2、前者超过后者用比较级： A+be/v+比较级+than+B 3、三个或三个以上比较时用最高级 ： A+be/v+the+最高级+of/ in+范围 例句：1. I am

6、as tall as Tom (is). He is not so fat as I(am) 2. She is smarter than her sister 3.She works hardest in school！ 4、 越.，越.。the+比较级，the+比较级 越来越.。比较级+比较级 例句： the more you read book，the better you write article. He is stronger and stanger. A +be+no +比较级+than +B 二者都否定A和B都不 . 例如：Obama is no younger than Bu

7、sh. 奥巴马和布什都不年轻了。 Read the Grammar Focus and then complete the sentences. Is Tom _ (聪明聪明) than Sam? No, _ . Sam is smarter _ Tom. Is Tara _ (外向外向) than Tina? No, she isnt. _ (蒂娜比塔拉外向。蒂娜比塔拉外向。) Are you as _ (友好友好) as your sister? No, Im not. Im _ (友好友好) than her. _( 塔拉工作和蒂娜一样努力吗塔拉工作和蒂娜一样努力吗?) Yes, _.

8、_ (谁在学校学习比较努力？谁在学校学习比较努力？) smarter he isnt than more outgoing Tina ia more outgoing than Tara. friendly friendlier Does Tara work as hard as Tina? she does Who is more hard-working at school? Tina thinks she works harder than me. ( )1. Bob never does his homework _ Mary. He makes lots of mistakes. A

9、. so careful as B. as carefully as C. carefully as D. as careful as ( )2. A horse is _ than a dog. A. much heavy B. more heavier C. much heavier D. more heavier ( )3. - Which is _, the moom or the earth? A. small B. smaller C. smallest D. the smallest ( )4. The white shirt is as _ as the yellow one. A. cheap B. cheaper C. cheapest D. the cheapest ( )5. Which one is _ , football or basketball? A. more popular B. popular C. popularer D. much popular A B C B A