比较级与最高级及倍数表达方式

比较级与最高级、倍数表达方式

一、 词的变化规则

2) 不规则变化

3）more + 形容词/副词原级

二、基本结构

比较级形容词或副词+than You are taller than I. He is the tallest in his class. 可修饰比较级的词

1）a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等

2）还可以用表示倍数的词或度量名词作修饰语。

3）以上词(除by far)外，必须置于比较级形容词或副词的前面。 典型例题:

1）---- Are you feeling ____? ---- Yes，I'm fine now.

A. any wellB. any betterC. quite good D. quite better

2）The experiment was____ easier than we had expected. A.moreB.much more C.muchD.more much

3）If there were no examinations, we should have ___ at school.

A. the happiest time B. a more happier timeC. much happiest timeD.a much happier time

the+最高级+比较范围

1) The Sahara is the biggest desert in the world.

形容词最高级前通常必须用定冠词 the ，副词最高级前可不用。 形容词most 前面没有the ，不表示最高级的含义，只表示" 非常" 。 It is a most important problem. =It is a very important problem.

注意：使用最高级要注意将主语包括在比较范围内。 (错)Tom is the tallest of his three brothers. (对)Tom is the tallest of the three brothers.

2) 下列词可修饰最高级，by far, far, much, mostly, almost This hat is nearly / almost the biggest. 注意：

a.very 可修饰最高级，但位置与much 不同。 This is the very best. This is much the best.

b. 序数词通常只修饰最高级。

Africa is the second largest continent. 3) 句型转换：

Mike is the most intelligent in his class.

Mike is more intelligent than any other students in his class.

4) "否定词语+比较级" ，" 否定词语+ so… as"结构表示最高级含义。 Nothing is so easy as this. =Nothing is easier than this. =This is the easiest thing.

倍数的表达方式

1. “„ times ＋形容词 / 副词的比较级＋ than „”例如：

This hall is five times bigger than our classroom.

2. “„ times +as + 形容词 / 副词的原级＋ as „”例如：

This table is three times as long as that one. 3. “„ times + the + 名词（如： size， height， weight， length， width, age等）＋ of „”

例如：

This street is four times the length of that street.

4. “„ times + more ＋名词＋ than „”例如：

There are twice more students in our class than in theirs. 5. “„ times + what 从句”例如：

The price of the meat is twice what it was last year. 6. “„ times + up on （或 over ）„ He is three times up on your age. 7. “„ +by + „ times ”例如：

His speed is faster than mine by four times.

8. “„ times + compared with ＋被比较对象”例如：

The number of the students in our school has increased four times compared with 1980. 9. “„ times + that of + 被比较对象”例如：

In this workshop the output of July was three times that of January.

和more 有关的词组

1) the more… the more…越……就越……

The harder you work，the greater progress you'll make. 2) more B than A与其说A 不如说B =less A than B

He is more lazy than slow at his work. = He is less slow than lazy at his work. 3) no more… than… 与……一样不……，（对两者同时否定） no more than仅仅

not more than 不多于，至多 not ….more than…

Eg: He is no more a writer than a painter.

He has no more than three children. He has not more than three children. She is not more clever than he is.

no less… than…不亚于 no less than多达

not less than 意为“不下于”、“至少” not less …than 与„„一样„„ Eg: He is no less diligent than you.

We walked no less than three miles. He has not less than seven daughters. She is not less beautiful than Mary.