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1、Unit 7 Whats the highest mountain in the world?,Section A 1a-2d,Grammar Focus,形容词的比较级和最高级 comparatives and superlatives with adj. and adv.,late later - latest,early earlier earliest,big bigger- biggest,fluently/difficult more, most,重读闭音节、末尾只有一个 辅音字母双写加 er 或 est,单音节词在词尾比较级加- er或最高级加- est,以e结尾的词，只需加r
2、或st,以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est,部分双音节和多音节词在原级前加 more 或 most,tall taller- tallest,cheap, cold, small, warm, young, high,fine, nice, safe,happy, busy, dirty, easy, lazy, pretty,fat, hot, red, thin, wet, sad,quickly, heavily, useful, interesting, popular,tired,形容词和副词比较级和最高级构成 (规则变化),不规则变化,good /
3、well better - best,much / many more - most bad / badly / ill worse worst little less least far farther/ further farthest furthest old older/ elder oldest / eldest,形容词和副词比较级的用法,1.Who runs faster, he or she?,2.He runs faster than she.,3.He runs much faster than she.,4.He becomes healthier and healthie
4、r.,5.The more you exercise, the healthier you will be.,6.She is less healthy than he.,1.表示两者之间的选择, 可用“Which/Who + 比较，or?”.,2.表示两者之间的比较，通常用连词 than 引导， 表示“更一些”,3.much/far/a lot, even ,still ,a little/a bit 修饰比较级,表示程度.,Who runs faster, he or she?,He runs faster than she.,He runs much faster than she.,4
5、. “比较级+and+比较级”表示“越来越”,5. “the+比较级 , the + 比较级”表示“ 越, 越 ”,6. 表示不及另一方时，用“less+原级+than” (双音节和多音节词),He becomes healthier and healthier.,The more you exercise, the healthier you will be.,She is less healthy than he.,He is healthier than she.,Shanghai is becoming more and more modern.,1.比较级 + and +比较级 越来
6、越 2.the+比较级 , the + 比较级 越, 越 ,3._you are, _mistakes you will make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be. (你吃得越多,就越胖) 5. Alice writes well. Mary writes _ than she. (甚至更好）,The more careful,the fewer,The more,the fatter,1.The girl becomes _. (越来越漂亮）,more and more beautiful,2. The weather is getting _
7、. (越来越槽糕）,worse and worse,even / still better,The Yangtze River is about three times longer than the Songhua River.,A+,倍数,+as+,形容词原级,+as+B,倍数比较： 倍数+形容词比较级+ than,Mount Tai,Qumolangma,1521m,8848m,(high),Qumolangma is about six times higher than Mount Tai.,平级比较：,A + 系+ as+ adj原级 +as +B A +系+not as/so +
8、 adj原级 +as +B,eg: English is as important as math. English is not so/as interesting as math,1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示.,2. 最高级+of/among (同类比较) in (范围比较),4.one of +,形容词最高级,+名词复数表示“最 之一”,3. 序数词修饰最高级,形容词和副词的最高级的用法,Who is the tallest, Tom , Mike , or Jack?,Tom is the tallest of the three.,M
9、ike is the second tallest student in our class.,Jack is one of the tallest students in our class.,Tom runs (the) fastest in our class.,原级、比较级、最高级之间的转换,1. Lucy is not as tall as you. =Lucy is shorter than you. =You are taller than Lucy. 2. This pen is not as expensive as that one. =This pen is less e
10、xpensive than that one. =This pen is cheaper than that one. 3. He is the tallest in the class. =Nobody is taller than he in the class.,4. Sam is the shortest in his class. (改为同义句) Sam is _ than _ _ student in his class. Sam is _ than _ _ students in his class. Sam is _ than_ _ in his class.,shorter,
11、any other,shorter,the other,anyone else,shorter,3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一） 4. Edison was_ in the world. (最伟大的发明家之一）,one of the laziest students,one of the greatest inventors,The Yangtze River is_ river in the world. (第三长河）,the third longest,2. The
12、 Atlantic is _ ocean in the world. ( 第二大洋）,the second biggest,Exercise:,一、翻译句子：,二、同义句转换,1. Flat A is more expensive than Flat B Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is not _ _ _ Flat A.,2. I prefer maths to English. I like maths _ English.,better than,3.He is the tallest student i
13、n the class. He is _ in the class.,taller than any other student,any other +名词单数,less,expensive,cheaper,than,as,expensive,as,1.Hainan is a very large Island .It is the second _ island in china. (large) 2.Our teacher is as _ as before. (busy). 3.He is _ among us. (careful) 4.Li Lei jumped far _ than
14、Jim. (far) 5.The busier he is, the _ he feels. (happy) 6.I think Yao Ming is one of _ basketball players in NBA. (hot),busy,the most careful,farther,happier,largest,the hottest,三、完成句子,Grammar Focus,数词 Numeral,数词是用来表示事物的数目和顺序的词。,数词的分类： 1.基数词 2.序数词 3.分数词 今天我们先来学习一下基数词。,1. 复习1100以内的所有数字。 2. 掌握百、千、万、十万、百万的表达法。,1、1-19的基数词,one 1 two 2 three 3 four 4 five 5,six 6 seven 7 eight 8 nine 9 ten 10,eleven 11 twelve 12 thirteen 13 fourteen 14,fifteen 15 sixteen 16 seventeen 17 eighteen 18 nineteen 19,2、2090等十位数,twenty 20 thirty 30 forty 40 fifty 50 sixty 60 seventy 70 eighty 80 ninety 90,twenty-one 21 t
