八年级下册形容词和副词的比较级和最高级的用法ppt课件.ppt

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1、Unit 7 形容词和副词的比较级和最高级形容词和副词的比较级和最高级 大多数形容词有三个级。大多数形容词有三个级。 原级原级: 常用结构常用结构as . as . 像像一样一样 Zhang Hong is as tall as Tom. 张红和汤姆一样高。张红和汤姆一样高。 2) 比较级比较级 (用于用于两者之间的比较两者之间的比较) 常用结构:常用结构:形容词比较级形容词比较级than . He is taller than I. 他比我高。他比我高。 Grammar 3) 最高级最高级(用于用于三者或三者以上的比较三者或三者以上的比较),常用结构常用结构: the + 形容词的最高级形容

2、词的最高级of / in . He is the tallest of the three. 他是这三个人中最高的。他是这三个人中最高的。 He is the funniest in his class. 他是他们班最有趣的。他是他们班最有趣的。 2. 形容词、副词比较级和最高级形容词、副词比较级和最高级规则变化规则变化和和不规则变化不规则变化。 规则变化规则变化 1) 一般情况下,一般情况下,单音节或双音节的形容词单音节或双音节的形容词(或(或副词副词)比较级比较级er , 最高级最高级est 如:如: clevercleverercleverest fewfewerfewest small

3、smallersmallest等。等。 2) 以以e结尾的词,比较级结尾的词,比较级r,最高级,最高级st 即可。即可。 如:如:nicenicernicest cutecutercutest largelargerlargest 3) 以以辅音字母辅音字母y结尾的变结尾的变y为为ier或或est 如如: easyeasiereasiest happyhappierhappiest 再如:再如:early, busy, heavy, dirty, lazy也如此。也如此。4) 双写最后一个辅音字母双写最后一个辅音字母er 或或 est的词的词,同学要用心去记。同学要用心去记。 fatfatte

4、rfattest thinthinnerthinnest hothotterhottest redredderreddest wetwetterwettest bigbiggerbiggest 5) 多音节和部分双音节的词多音节和部分双音节的词需要在形容词需要在形容词原级前原级前more构成构成比较级比较级、the most构构成成最高级最高级。如:。如: beautiful more beautiful the most beautiful 又如又如: delicious, popular, important, interesting, expensive, creative等等双音节双音

5、节的词如的词如: careful more careful the most careful useful more useful the most useful 少数单音节词也是这样,如:少数单音节词也是这样,如: pleased more pleased the most pleased tiredmore tired the most tired b) 不规则变化:不规则变化: good better best well better best badworse worst many, much more most far farther farthest (距离远距离远) far fu

6、rther furthest (程度深程度深) old elder eldest (长幼长幼) old older oldest (年龄年龄) 比较级考点比较级考点 比较级修饰问题比较级修饰问题a little, a bit, even, still, much, a lot, far 等可修饰比较级。等可修饰比较级。e.g. Tom is a little taller than Jim. This book is much more interesting than that one. 同级比较同级比较e.g. The weather in Beijing is colder than t

7、hat in Xian. Our school is bigger than yours. the + 比较级比较级e.g. Lucy is the fatter of the two girls. “a/an + 比较级比较级” 表示表示“又一,再一又一,再一”e.g. Lily has a doll, but she wants a bigger one. 隐性比较(没有隐性比较(没有than的情况)的情况)e.g. Who runs faster, Lucy or Lily? Youd better come earlier next time. He worked hard last

8、term, but he works even harder this term. 越来越越来越. 比较级比较级 + and + 比较级比较级b. the + 比较级比较级 + 句子,句子,the + 比较级比较级 + 句子句子a.e.g. Its getting colder and colder. The more you exercise, the better you are. 2. 最高级考点最高级考点说明:形容词的最高级前必须加说明:形容词的最高级前必须加the;副;副词的最高级前省略词的最高级前省略the。 范围问题范围问题e.g. Tom is the tallest stud

9、ent in the class. Spring is the best season of the year. “.之一之一”问题问题e.g. Beijing is one of the biggest cities in the world. “the + 序数词序数词 + 最高级最高级”e.g. I think he is the second tallest boy in his class.3. 比较级和最高级的转换比较级和最高级的转换e.g. Tom is the tallest student in the class.= Tom is taller than any other

10、 student in the class.= Tom is taller than all the other students in the class.= No other students are taller than Tom.总结:总结: any other + 名词单数名词单数 the other + 名词复数名词复数 否定否定 + 比较级比较级 = 最高级最高级 比较级比较级 + 极限极限 = 最高级最高级 同级比较同级比较 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Li

11、nda. not + as/so + adj./adv. + as e.g. Tony didnt run so fast as Carter. 1. My brother is _ more outgoing than me. A. many B. little C. much2. October 12th was one of _ days in 2005. Shenzhou-VI was launched (发射)发射) successfully. A. exciting B. more exciting C. the most exciting3. Which city is _, B

12、eijing, Shanghai or Fuzhou? A. beautiful B. more beautiful C. the most beautiful4. _ children there are in a family, _ their life will be. A. The less, the better B. Fewer, richer C. The fewer, the better5. Mobile phones are very popular now and they are _ than before. A. cheap B. cheaper C. the che

13、apest6. In our city, its _ in July, but its even _ in August. A. hotter, hottest B. hot, hot C. hot, hotter7. Of the two skirts, the pink one is _. A. the nicest B. the nicer C. nicer8. Jacks handwriting is as _ as Mikes. A. good B. better C. best9. We can do the work better with _ money and _ people. A. little, few B. less, fewer C. fewer, less10. Jim is the tallest student in our class and Tom is the second _ one. A. tall B. taller C. tallestEnjoy a song The more we get together.

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