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⑥某些以-ior结尾的形容词进行比较时，用to代替than。这些词有inferior（劣等的，次的）、superior（较
好的，优于??）、junior（资历较浅的）、senior（资格较老的）、prior（在??之前）等；
He is superior to Mr. Zhang in chemistry.
⑦在比较从句中为了避免重复，我们通常用that(those)、one(ones)代替前面出现的名词。that指物,one既可指人又可指物。that可代替可数名词单数和不可数名词，而one只能代替可数名词；
The book on the table is more interesting than that(或the one)on the desk. A box made of steel is stronger than one made of wood. ⑧否定词+比较级
该结构用否定形式表示肯定意义。要掌握该结构的用法，须注意以下几点： ▲该结构多为“can't ／couldn't ＋比较级”的形式
I can't agree with you more.我再同意你的意见不过了。（或：我完全同意你的意见。）
The weather couldn't be worse.天气再糟糕不过了。 He couldn't have done better.他做得再好不过了。
▲用于该结构中的否定词除了not之外，还有no，never，nothing等 This could give her no greater pleasure.这使她再高兴不过了。 There's nothing cheaper.这东西再便宜不过了。
There is no greater love than that of a man who lays down his life for his friends. 为朋友而放弃生命的爱是最伟大的爱。
▲当该结构中的比较级为less时，其意义为“一点也不”
试比较：He couldn't care more.他非常介意。（或：他最关心不过了。）
He couldn't care less.他毫不介意。（或：他最漠不关心了。）
注意：反过来用肯定形式表示否定意义。这种用法主要见于：
▲know better than+不定式。这种结构意为“不至于”
You have a better command of French than to make such mistakes. 你的法语较好，不至于犯这样的错误。 He is more experienced than to do such a thing.
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他比较有经验，不至于做这样的事。
▲more than…can。这种句型形式上是肯定，实际上有否定含义
The boys in the street have become very insolent and it is more than flesh and
blood can bear.
街上的男孩变得非常无礼,到了人所不能忍受的地步。 The beauty of the place is more than I can describe. 那地方美得无法形容。
⑨倍数表达法
▲A is three(four, etc.)times the size(height, length etc.)of B. The new building is four times the size(the height)of the old one.
这座新楼是那座旧楼的四倍大（高）/这座新楼比那座旧楼大（高）三倍。 ▲A is three(four, etc.)times as big(high, long, etc.)as B.
Asia is four times as large as Europe. 亚洲是欧洲的四倍大/亚洲比欧洲大三倍。 ▲A is three (four, etc.)times bigger(higher, longer, etc.)than B.
Your school is three times bigger than ours.你们的学校比我们的学校大三倍。 用times表倍数通常用于三倍以上，两倍可以用twice或double. 3.最高级的用法
①三者或三者以上相比，表示最高程度时，用“the +最高级”的结构表示。这种句式一般常有表示比
较范围的介词短语；
Zhang Hua is the tallest of the three. He works(the)hardest in his class.
②最高级可被序数词以及much、by far、nearly、almost 、by no means、not quite、not really、nothing like
等词语所修饰；
This hat is by far / much / nearly / almost / not nearly / by no means / not quite / nothing like the biggest.
③表示“最高程度”的形容词，如excellent、extreme、perfect等，没有最高级，也没有比较级。
④形容词最高级修饰作表语或介词宾语的名词、代词时，被修饰的词往往省略；
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He is the tallest(boy)in his class.
⑤作状语的副词最高级前可以不加定冠词。 Of all the boys he came(the)earliest. 4.形容词和副词前面使用冠词的情况
①形容词最高级前一般要加定冠词，副词最高级前可不加冠词；
②形容词最高级前有时加不定冠词，或不加冠词，不表比较，表示“非常”； He is a most clever young policeman.(most=very) The film is most interesting.(most=very) ③as+形容词+a+单数名词；
This is as good an example as the other is. ④表示两者间“较??的一个”比较级前加the； who is the older of the tow boys?
⑤在“the + 比较级??，the + 比较级??”结构中； ⑥在same前一般要加the；
⑦What +a/an+形容词+单数可数名词=How+形容词+ a/an+单数可数名词 What an interesting film it is！=How interesting a film it is! ⑧so和such的用法
so + 形容词 / 副词 + that …
so + 形容词 + a（n）+ 单数可数名词 + that … so + many / much / little / few + 名词 + that … such + a(n)+ 形容词+单数可数名词 + that … such + 形容词 + 不可数名词 + that … such + 形容词 + 复数名词 + that … 下列词组中为什么只能用so不可用such？
so much progress、so many people、so little food、so few apples等。 因为名词受many, much, little, few等表示“多或少”意义的词修饰。 下列这句中such用得对不对？（对）。为什么？ These are such little boys that they can’t dress themselves. 因为little在这儿表示“小”，而不是表示“少”的意思。 下列so的用法是错误的：so difficult problems, so hot weather
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为什么？因为problems是复数，weather是不可数名词。
⑧有些形容词前加the 成为名词。如the poor, the rich 等。 5.由as/so组成的形容词或副词短语 ①as much as +不可数名词：多达
Each stone weighs as much as fifteen tons. ②as many as +可数名词：多达
I have as a many as sixteen reference books. ③as early as：早在
As early as the twelfth century the English began to invade the island. ④as far as：远到；就??而知（论）
We might go as far as (走到)the church and back. As far as I know（就我所知），he has been there before. ⑤may (might, could)as well：不妨、不如 Then you might as well stay with us here. ⑥as … as can be：到了最??的程度，极其
They are as unreliable as they can be.他们极其不可信。 ⑦as … as one can：尽其所能 He began to run, as fast as he could. ⑧as … as possible：尽可能
Just get them to finish up as quickly as possible. 6.more /less than及其相关结构 第一类
①more than＋具体数字=over：多于、超过?? He spoke English more than two years.(两年多) more than＋名词/动词/形容词/副词：不仅仅
China Daily is more than a newspaper and it can also help us learn English. ②not more than：不超过??，顶多??=at most
There were not more than 70 women in the store then.（不足70个女性） ③no more than：仅仅，只不过
The theater was no more than a painted barn.
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这戏院只不过是漆了油漆的库房而已（没什么大不了的）。 ④less than：少于、不足??
Their car broke down where they drove less than five miles.（不到五英里） less than＋名词/形容词：仅仅 He is less than pleased to have visitors. ⑤not less than：??以上，至少??=at least He has not less than 2oo dollars.（至少200美元） ⑥no less than：不会少于??，与??一样，简直就?? It is no less than robbery to ask me for so much. 要我这么多钱，简直跟抢劫没有两样。 第二类
①more＋形容词/副词/名词＋than：比??更??
I have found that he is a more efficient worker than any other one. ②more…than…：与其??不如?? He is not more an artist than a philosopher. 与其说他是位艺术家，不如说他是位哲学家。 ③not more…than…：不如??，不及??
You are not more careful than he is.你不如他仔细。 She was not more pleased than I was.她不及我开心。
④no＋比较级＋than：仅仅??，最多??，只不过??，和??一样不 This kind of plant grows no higher than one inch. 这种植物最多长到一英寸。
The officials could see no more than the Emperor. 官员们看到的和皇帝一样多。 He is no more a good player than I am.
他和我一样都不是好球员（他也好不到哪里去）。 ⑤less＋形容词/副词/名than：比??更少，不如?? Jane is less beautiful than Suan.
He is less slow than lazy at his work.=He is more lazy than slow at his work. ⑥not less…than：不比??少，不亚于??
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