1、as+形容词原级+asas+副词原级+asnot as/so+形容词原级+asnot as/so+副词原级+asnot so difficult asnot so difficult asas important asas important as同级比较/比较级的转换1)Im not as tall as he is.=Im shorter than he is.=He is taller than I am.2)Nanjing is not as big as Shanghai.=Nanjing is smaller than Shanghai.=Shanghai is bigger th
2、an Nanjing.3)Skiing isnt as interesting as swimming.=Skiing is less interesting than swimming.=Swimming is more interesting than skiing.多音节形容词的比较等级比较级:more+adj+than 往上比 less +adj+than 往下比最高级:the most+adj 往最上面比 the least+adj 往最下面比 e.g.English is more interesting than Maths.=Maths is less interesting
3、than English.=Maths is not as interesting as English.1.Tom thinks French is difficult than Chinese.A.much B.least C.less D.little2.The shopkeeper showed her many books and she chose expensive one.A.less B.least C.the less D.the least3.Singing is not as interesting as dancing.Dancing is than singing.
4、Singing is than dancing.more interestingmore interestingless interestingless interesting最高级/比较级/同级比较的相互转换Shanghai is the biggest city in China.=Shanghai is bigger than any other city in China.=Shanghai is bigger than the other cities in China.例：Beijing is bigger than in Japan and it is bigger than i
5、n China.A.any city,the other city B.any other city,any city C.any city,any other city D.any other cities,any other city1.Jack isnt as short as Mike.(同义句)Jack is _ _ Mike.Mike is _ _Mike.2.I think skiing is dangerous.(否定句)I _ think skiing _ dangerous.3.I think diving is more exciting than swimming.(同
6、义句)I think swimming is _ _ than diving.4.Tom is the cleverest student in his class.(同义句)Tom is _than _ _student in his class.Tom is _than _ _students in his class.5.My best friend Betty is slim.I am slim too.(合并）My best friend Betty is _ _ _ _ _.构成方式-规则变化 单音节词和部分双音节词1.大多数 young-younger-youngest2.以e结
7、尾 nice-nicer-nicest3.以”辅元辅”结尾 hot-hotter-hottest4.以辅音字母+y 结尾 busy-busier-busiest 多音节词和部分双音节词interesting-more interesting-most interestingcareful-more careful-most careful构成方式-不规则变化good/well-better-best bad/badly/ill-worse-worst many/much-more-most little-less-least farther-farthest 表距离 further-furth
8、est 表程度 她走得比我快。_ 地球和月亮，哪个更大？_ 我们城市正在变得越来越漂亮。_ 你学习越努力，你妈妈就越开心。_you study,_your mum will be.Jim 是兄弟两人中较聪明的那个。_ 补充：不同范围比较 比较级+than 比较级+than 范围比较 比较级+than 比较级+than any of 比较级+than 1.Bob is _(young)than Fred but _(tall)than Fred.2.A dictionary is much _(expensive)than a story-book.3.An orange ia a little
9、 _(big)than an apple,but much _(small)than a watermelon.4.Her mother is getting _(fat)and _(fat).5.I think it s too expensive.I d like a _(cheap)one.6.He comes to school much _(early)than I.例：Tara is_(young)of all.Linda draws_(careful)in her class.注：1.副词的最高级前可省略“the”run(the)fastest 2.最高级前有其它的限定词时，不加
10、“the”my best friend例:Which do you like _(good),apples,pears or oranges?例：Jack Chen is one of_(famous)actors in the world.例：Hainan is the second_(large)island in China.例：This is _(bad)movie that I have ever seen.这是我曾经看过的最糟糕的电影1)原级与比较级的转换：e.g.He speaks more loudly than me.I dont speak _ he/him.2)比较级与最
11、高级的转换：the+最高级 比较级+than+any other+名（单）比较级+than+the other+名（复）e.g.Jim is the tallest student in our class.Jim is taller than any other student in our class.Jim is taller than the other students in our class.Jim is taller than anyone else in our class.1.-Jack，do you think time is money?-Yes，but I think
12、 it is_ money.Ano important as Bnot important asCmore important than Dmuch important than2It takes a long time to by train，its_ than by boat.Aquick Bthe quickest Cmuch quick Dquicker3Canada is larger than_ country in North America.Aany Bany other Cother Dother any4.I think my hometown is becoming_Am
13、ore beautiful and more beautiful Bmore and more cleanerCmore and more beautiful Dclean and clean5.Lucy is a(n)_ student，she answers the teachers questions_ in her class.Amore active；more actively Bactive；more activelyCmore active；the most actively Dactive；the most actively6Which season do you like_，
14、winter or summer?Summer.Awell Bbetter Cbest Dthe best7He was chosen to be a volunteer(志愿者)of the Olympic Games.Great！No one speaks English_ him.Aas beautiful as Bas badly as Cworse than Dbetter than8.How_ Li Ming writes！Yes，he is the_ in our class.Acarefully；most careful Bcareful；most careful Ccarefully；careful Dcareful；careful9.-Do you like eating fish,Linda?-Of course.Nothing can be_,I think.Adelicious Bbeautiful Cmore delicious Dmore beautiful10_ you study，_ grades youll get.AThe hard；the good BHarder；betterCThe harder；the better DThe hardest；the bestBooy！dG
