nice的比较级可不可以是better,最高级可不可以是best?

good:better,best
many:more,most
big:bigger,biggest
smart:smarter,smartest
badly:more~,most~或者worse,worst
carefully:more~,most~
slowly:more~,most~
healthy:more~,most~
hot:hotter,hottest
far:farther,farthest
heavy:heavier,heaviest
old:older,oldest
expensive:more~,most~
well-known:better-known,best-known
little:less,least
few:fewer,fewest
thin:thiner,thinest
easily：easilier,easiliest
often:oftener,oftenest或者more~,most~
large:larger,largest
这可真是个大工程啊,累!

比较级的定义：大多数的形容词都有三个级别：原级、比较级、最高级.其中比较级表示“更……”,用于两者之间的比较,用来说明“前者比后者更……”,比较级前面一般用much, even, a little修饰,其中even, much 只能修饰比较级.
二、比较级的构成：
（1）规则变化：
①单音节和部分双音节的形容词一般在词尾加-er
Eg: calm---calmer tall---taller smart---smarter
②以字母e结尾的直接在词尾加-r
Eg: nice---nicer fine---finer large---larger
③以“辅音+y 结尾的词,变y为 i,再加-er”
Eg: early---earlier happy---happier busy---busier
④以重读闭音节的单个辅音字母结尾的词,双写辅音字母,再加-er
Eg: big---bigger thin---thinner hot---hotter
⑤多音节或部分双音节的形容词在原级前面加more
Eg: popular---more popular important---more important
（2）不规则变化：
少数形容词的比较级变化是不规则的：good---better bad/ill---worse many/much---more
little---less far---farther/further old---older/elder
三、比较级的用法:
(一)当两个人或事物（A和B）进行比较时,我们需要用到形容词（副词）的原级或者比较级
1． 表达“A和B一样”,用as…as的结构.
公式: A+be动词+as+形容词原级+as…+B
A+实义动词+as+副词原级+as…+B
Eg I am as tall as you.我和你一样高.
He runs as fast as I. 他跑得和我一样快.
2．表达“A不如B”用not as…as的结构.
公式: A+be动词的否定形式+as+形容词原级+as…+B
A+助词的否定形式+动词+as+形容词原级+as…+B
Eg I am not as tall as you.我没有你高.
He doesn’t run as fast as I. 他没有我跑得快.
2． 表达“A大于B”用“比较级+than”的结构.
公式: A+be动词+形容词比较级+than+B…
A+实义动词+副词比较级+than+B…
Eg I am taller than you.我比你高.
He runs faster than I. 他跑得比我快.
(二)关于形容词、副词比较级的更多用法
1．比较级前面可以加上表示“优劣程度”的词或短语,意思是“更…”,“…得…”.常见词有much, a little, even, a lot, a great deal等.
Eg He is much taller than I.他比我要高得多.
I jump a little higher than he.我跳得比他高一点点.
想一想,这些词能修饰形容词或副词的原级吗?
2.比较级前面可以加上表示具体数量差别的结构,表示具体“大多少”,“小多少”,“长多少”,“短多少”等.
Eg I am two years older than he.我比他大两岁.
This building is 20 meters higher than that one.
3．“比较级+and+比较级”表示“越来越……”.
It is getting warmer and warmer．天气越来越暖和.
He is running faster and faster．他跑得越来越快.
0ur country is becoming more and more beautiful．我们祖国越来越美了.
4．“the more…, the more…”表示“越……,就越……”,
The more,the better.多多益善.
The more careful you are,the fewer mistakes you will make.你越细心,犯错就越少.
5．“the more…of the two…”表示“两个当中较.的一个”
The taller of the two boys is my brother.
四、当三个或三个以上的人或事物进行比较时,我们需要用到形容词（副词）的最高级
1．表达“…是…中最…的”,用“the+形容词（副词）的最高级”的结构.后面可以加上表示范围的介词短语或从句.
公式：主语+be动词+the +形容词最高级+（名词）+表示范围的介词短语或从句
主语+实义动词+（the） +形容词最高级+表示范围的介词短语或从句
Eg He is the tallest (student) in our class.
He jumps the highest of the three boys.
This is the best book that I have ever read.
2．表示“最…的…中一个”,用“one of +the +最高级+复数名词”的结构来表达.
Eg He is one of the best students in our class.他是我们班最好的学生之一.
This is one of the most beautiful flowers in the garden.这是花园里最漂亮的花之.
注意：(一) 形容词的最高级前面有定冠词the , 而副词的最高级前面定冠词the可以省略.但在形容词最高级前有物主代词时,不能要定冠词the.
（二）常见的用来表示范围的介词有in, of, among
五、运用形容词、副词比较级应当注意的问题：
(一)、按语法规则,than后面的人称代词应当用主格,但口语当中有时会用宾格代替主格.
两个人进行比较,用比较级.两个人以上进行比较,用最高级.
副词和形容词都有比较级、最高级,分别在该词之后加er、est,但需要注意以下几点：
1 e结尾,则只需要加r、st,如large的比较级和最高级分别是larger,largest.
2 重读音节中有一元音紧接一辅音结尾,则在变比较级最高级前要双写最后的辅音,如：big-bigger-biggest.
3 该词以y结尾,y之前是辅音,则先把y改为i再加er、est,如busy-busier-busiest通常比较级用于二者之间的比较,该词后用上than,如Tom is taller than me.
4 三个音节或以上的副词形容词的比较级最高级则要在词前加more、the most,如beautiful-more beautiful-the most beautiful
This box is bigger than that one.也可以通过两个句子陈述作比较但无须用than,如I'm tall, but Tom is taller.
而用上最高级的句子无论讲述人或物件数量均在三个或以上,如I'm tall.Tom is taller.Jim is the tallest. That book is the most expensive in our bookshop.
Eg He is more careful than I (me).
(二)、只有同类的事物才能比较
e.g Her bag is bigger than mine.
不能说 Her bag is bigger than I.
The weather of Kunming is much better than that of Shenyang.
不能说The weather of Kunming is much better than Shenyang.

etter
worse
more
less
older/elder
farther/furthe

duties
building
more dangerous
carries
carefully
teeth

比如由动词的过去分词形式充当形容词的词,upset,tired,pleased等.
还有一些双音节形容词是加后缀和前加more都可以的,比如clever ,common,等.
其实只要经常看看外语读物,多积累,时间长了就会记住了.
希望有所帮助.

我只见过 brauchbar的比较级 brauchbarer
是不用变音的.这样看的话它的最高级也应该是不变音的.
另外推荐你一个德语电子词典,我觉得不错就是

修饰比较级的副词 1) 只用于修饰比较级的：much;still;even 2) 既可以修饰比较级又可以修饰原级的：a little; a bit; rather 等 even修饰形容词,副词的比较级,以加强比较的语气和程度.修饰形容词,副词比较级的常用修...

应该是：unhappier 和unhappiest

The book is good to read.
That book is better to read than this one.
The book is the best of all.
Jim plays tennis well.
Tom plays tennis better than Jim.
John plays tennis the best of all.

1. shorter 2. playing 3. books 4. young / new 5. too / two

因为形容词多音节词加more,the moest.
一般形容词加er,est.

that computer is not as good as this one

因为后面那句是帮助我们怎么怎么样.既然用了help,那当然就是有比较啦~
比如study help us to be more confident.
而且另一方面,前面已经有了一个make the air fresh and clean,后面肯定是要比较级,不然就重复累赘了

fast的比较是 faster.
最高级是 fastest

NOKA is more popular than SAMSUNG
你又写错一个单词,不是NOKA,而是NOKIA
因为popular的比较级不能在后面直接加er,而只能在前面加more,
就是说more popular才是popular的比较级,
这句意思是：诺基亚比三星更受欢迎.

是collecting.much的比较级是more.

The air in the countryside is fresher than that in the city.And the water there is cleaner too.It's always quieter in the countryside thant in the city.The roads are busier and wider than those in the countryside,but they are dirtier and noisier at the same time.The trees in the countryside are greener and taller than those in the city.Cities may be moderner,but I prefer to live in the countryside.

1.He studies harder than his sister.
2.The boy ran faster than any other boy in the 100-meter race.
3.She did better than he.
4.I am listening more carefully than my classmates.
5.We danced more happily than them.
6.My grandmother eats more heathily than us.
7.It is raining more and more heavily.
8.He jumped higher then me.
9.The teacher can work out the problem more easily than the others.
10.The wind is blowing more strongly.

答案A as……as中间接副词或形容词时，用原形，而不能用比较级和最高级。延伸一下，中间也可接名词

Tom runs a little faster than me.

选择B
1 do 是动词 应该用副词来形容 而good是形容词 所以选择well
2 but与其转折 说明San画的更好一些 二者之中只能选择better 三者或者三者以上用best

little - less least
much / many - more most
ill / bad / badly - worse worst
far - farther farthest
far - further furthest
good / well - better best
old - elder eldest(年长的） / older oldest
中学阶段这些够了.

上面有些人的翻译简直就是误人子弟嘛.正确翻译如下：
Angel is my best friend.She is taller than me.Also,she is older than me.At the same time,she is more pretty compare to me.No matter what she did,she is always more serious than me.However,she is not so humorous as me.She can always take care of me even better than taking care of herself when I am together with her.I hope she can get more exciting day by day.

e late for 词组只是表示晚了,迟了.并没有比较的意思在里面,所有是不需要用比较级的.
在你举的例子里,如果要用比较级,比较的对象不是train,而应该是列车开走的时间.即：我到站的时间比火车开走的时间later了3分钟.这样你就可以看到比较的两个对象了.
当然谁也不会用这么麻烦的说法.只是解释说明一下,希望可以帮助你理解比较级的用法.

happier
happy
cleverest
fewer
fewest
more less
more interesting

对于形容词的比较级可以大致划分为两部分
多音节 和非多音节之分
多音节的就简单了 more + adj 如：more expensive
但也有两者都可以的 如：friendly
more friendly / friendlier 都对
其余的 一般加er
1.但是重读单音节要双写最后一个辅音字母加er big bigger
2.以y 为结尾的变y为i + er happy happier
3.以字母e为结尾的直接+r (想不起来了)
还有一些特殊的,就要特殊记了
good/well-better
ill/bad-worse
还有什么也忘了

the more ...the more ...（我用more表示比较级）是一个句型,意思是：越……越……,你这句话的意思是：你出发的越早,到达就越早(一楼翻译成“越快”是不正确的,出发的迟早不会改变速度的,这里soon应该翻译成早,你可以参考一下词典）.
在形容词比较级中,二者比较用比较级,如果过我们单纯说：A比B……,那我们就直接用 A be 比较级 than B,如：I'm taller than Bill.但是当我们要说A是两者中比较……的.那就要在比较级前加定冠词the.这里要注意的是,这个句型很强调两者中,如果没有明显的说出是两者中,就不用the了.比如：I have two pens.This is the better.

I have two friends.One is called Helen,and the other one is Alice.
Helen is the same age as Alice,but Alice is shorter than her.
Helen is more outgoing than Alice,
but Alice is as popular as Helen among all the classmates.
They all get on well with others.
Helen has as much schoolwork as Alice's.
We often talk about our school work on the phone after school.
We'll always be good friends.

形容词可以用比较级,但不一定用比较级.
You can make it better.

1.步行比骑自行车好得多．
Walking is better than riding.
2.我们家离这儿很远．
Our home is far away from here.
3.你越了解她,就越喜欢她
The more you know her,the more you like her.

.longer
2.quieter
3.moreathletic
4.worse
5.more
6.morepopular
7.heathie

Both and
Both Steve and Tom are outgoing

shorter,calmer,wilder,friendlier,thinner,heavier,more athletic,better,more,fewer,longer,more beautiful,more outgoing,more expensive,less

elder是old的比较级,old的比较级有 older和 elder两种,最高级分别是oldest和eldest.

thin thinner 瘦的
hot hotter 热的
big bigger 大的
new newer 新的
high higher 高的
cold colder 冷的
tall taller 高的
dark darker 黑暗的
useful more useful 有用的
bright brighter 光亮的
brave braver 勇敢的
interested more interested 有趣的
frightening more frightening 可怕的
doubtful more doubtful 疑惑的
clever cleverer 聪明的
pretty prettier （注意y变成i）漂亮的
silly sillier 愚蠢的
bad worse 差的
far farther （只指距离）远的
good better 好的
little less 小的
many／much more 很多的
old elder 老的
好人一生平安

An elephant is bigger than a mouse.
大象比老鼠大.

I has tow good friends.They are Tom and Jenny.We are all in the Yucai School.Tom is 10 years old.Jenny is 12 years old.So Jenny is older then Tom.Tom is 143cm height.Jenny is 155cm height.Jenny is taller thenTom.Tom is 43kg weight.Jenny is 47kg weight.Jenny is heavier then Tom.

比较级wittier 最高级wittiest
反义词:
serious

fatter
sadder
wider
closer
happier
earlier
more important
more expensive

当然不可以啦,且the+形容词可表示一类人,而the+比较级和最高级可表示人的确没见过

usier busiest
prettier prettiest
higher highest
harder hardest
very well; most well

stronger
taller
smaller
safer
heavier
longer
shorter
bigger
lz都是很简单的变形 直接加er 除了big需要双写g再加er
新年快乐哈
亲 (≧▽≦)/~啦啦啦

正确答案是：
safe

不一样,safer和more safely

原形 比较级 最高级
1.hot hotter the hottest
2.busy busier the busiest
3.far further the furthest
4.sincere sincerer the sincerest
5.little less the least
6.many more the most
7.short shorter the shortest
8.common commonner the commonnest
9.narrow narrower the narrowest
10.clever cleverer the cleverest

在词前加more
如
difficult - more difficult

刚才不是造了吗?
The mine is ten times more powerful than the pistol.
地雷比手枪还要强上10倍!
The alligator's bite is three times more powerful than that of tiger!
短吻鳄的一口比老虎的要来得强3倍!

原级、比较级、最高级,都可以简单的理解为比较状语从句
只是需要注意引导词就可以了
as...as../not so as...as (原级)
more...than..（比较）
the most ...in/of （最高）
the +adj+est...of/in
one of the +名（复）..

就是重读闭音节