英语中比较级和最高级

1、关于英语中的比较级与最高级第一张，PPT共十四页，创作于2022年6月规则变化如下:1) 单音节形容词的比较级和最高级形式是在词尾加 -er 和 -est 构成。great greater greatestwarm warmer warmestlong longer longeststrong stronger strongest2) 以 -e 结尾的单音节形容词的比较级和最高级是在词尾加 -r 和 -st 构成。wide wider widestclose closer closestbrave braver bravest第二张，PPT共十四页，创作于2022年6月(3) 以 -y 结尾,

2、但 -y 前是辅音字母的形容词的比较级和最高级是把 -y 去掉,加上 - ier 和- iest 构成.happy happier happiestfunny funnier funniesthealthy healthier healthiesttidy tidier tidiest(4) 以一个辅音字母结尾其前面的元音字母发短元音的形容词的比较级和最高级是双写该辅音字母然后再加-er和-est。hot hotter hottestred redder reddestfat fatter fattestsad sadder saddestthin thinner thinnest第三张，PP

3、T共十四页，创作于2022年6月(5) 部分双音节和多音节形容词的比较级和最高级需用more 和 most 加在形容词前面来构成。difficult , popular, helpful, cheerful, tired第四张，PPT共十四页，创作于2022年6月不规则变化如下：原级-比较级-最高级 good, well-better-best bad, ill-worse-worst little-less-least few-fewer-fewest many, much-more-most far-farther/further-farthest/furthest old-older/e

4、lder-oldest/eldest late-later/latter-latest/last 第五张，PPT共十四页，创作于2022年6月clean helpful easy cheerful tidy importantclose bigwide cleverhealthy tiredhot good sad far cleaner cleanesteasier easiesttidier tidiestcloser closestwider widest healthier healthiesthotter hottestsadder saddestmore most more mos

5、t more most bigger biggest er est more most better bestfarther farthest第六张，PPT共十四页，创作于2022年6月形容词比较级的用法: 1)同级比较肯定形式：as+ adj./ adv.原级+as “和一样”e.g. This apple is as big as that one.否定形式：not so/as+adj./adv.原级+as “和不一样”He doesnt write as carefully as his sister.2) 差别比较 “比更一些”，常用连词than引导状语从句。 A+系动词+形容词比较级

6、+than+B. I think English is more popular than Japanese. A+实义动词+副词比较级+than+B. Mike studies harder than Helen.第七张，PPT共十四页，创作于2022年6月常用来修饰比较级的词：much, even, still, so much, a little, a bit, a lot, far等。只能修饰原级不能修饰比较级的：very, quite, so, ratherThis park is much more beautiful than that one.Toms father is a

7、little fatter than Jims.第八张，PPT共十四页，创作于2022年6月Our teacher is_ than we are. 我们老师的个子比我们的高。2. It is _today than it was yesterday. 今天的天气比昨天暖和。3.This picture is_than that one. 这张照片比那张照片漂亮。4.The sun is_ than the moon. 太阳比月亮大得多。5. His handwriting is _（well）. He writes _(good) in his class.6. Sandy is _(laz

8、y) person in his class.7. Tom is a _(care) boy. He does everything _(careful). He does everything _ in his family.tallerwarmermore beautifulmuch more biggergoodbestthe laziestcarefulcarefullymost carefully第九张，PPT共十四页，创作于2022年6月形容词和副词最高级的用法: 形容词最高级用于两个以上的人和物进行比较, 其结构形式为: A+ 连系动词+形容词最高级+of/ in/ among

9、Autumn is the best season in Beijing. A+ 实义动词+副词最高级+of/ in/ among Who runs fastest in our school?第十张，PPT共十四页，创作于2022年6月比较级和最高级的特殊句型： 比较级+and+比较级 “越来越” When it is going to rain, it can get darker and darker. 比较级+than any other+单数名词 “比其他任何都” Changjiang River is longer than any other river in China. th

10、e+比较级, the+比较级 “越,就越” The more you eat, the fatter you will be. the+比较级+of the two “两个中较的那个” He is the taller of the two. 第十一张，PPT共十四页，创作于2022年6月 Which/ Who is + 比较级，A or B? “A和B哪一个/谁更?” Which is more interesting, swimming or diving? Which/ Who is + the+ 最高级，A,B or C? “哪一个/谁最?” Which is the fastest

11、way to travel, by plane, by bus or by train? one of the +最高级+复数名词 “最之一” I think Harry Potter is one of the most popular novels. the +序数词+最高级 “第几最” Beijing Duck is the second nicest dish I have ever met.第十二张，PPT共十四页，创作于2022年6月She is _student in her class. 她是班上最好的学生。Shanghai is one of _cities in China. 上海是中国最大城市之一。This is _apple I hav