形容词比较级初.ppt

形容词比较级、最高级,英语句子中， 将比较两个主体的方法，叫做“比较句型”， 表示三者和三者以上人或物的比较时，用最高级。,规则变化,一般单音节词末尾加-er（比较级）和-est（最高级） eg. tall great new long light cheap 以不发音的e结尾的单音节词,直接加-r（比较级）和-st（最高级） eg. fine nice late close large free rude,闭音节单音节词如末尾只有一个辅音字母，须先双写这个辅音字母，再加-er和-est eg.big hot fat red thin sad wet 以辅音字母+y结尾的单词，应先改y为i，再加-er和-est eg.happy easy heavy busy lucky sunny,其他双音节单词和多音节单词，在其前面加more和most eg. beautiful interestig difficult careful delicious,不规则变化,比较级用法,1.比较级+than You are younger than your sister. 2.比较级+and+比较级或more and more+原级,越来越 Its getting warmer and warmer when spring comes. The wind became more and more heavily.,3.在含有or的选择疑问句中，如果有两者供选择，前面的形容词要用比较级形式。 Who is taller,Tom or Tim？ 4.the+比较级.the+比较级 The more you read the book,the more interesting you found.,表示倍数的比较级 A+be+倍数+times+the+形容词对应的名词形式+of+be The new building is three times of the height of the old one. A+be+倍数+times+as+原级+as+B Asia is four times as large as Europe. A+be+序数词+比较级+than+B Our school is twice bigger than yours.,注：1）much/far/a lot/even/still/a little/a bit.修饰比较级，表程度 He runs much faster than I. 2）当比较级后面没有than，而是of the two时，比较级前面加the The taller of the two girls is Mary.,最高级用法,the+最高级+of+in/of表示的范围 He is the tallest of the three. one +of the+最高级 Yaoming is one of the tallest basketball players in the world.,比较级和最高级互换（比较时要把自己排除在外，注意比较的范围）,1) Shanghai is the largest one in China. Shanghai is larger than any other city in China. Shanghai is larger than any city in China. 2)John is the thinnest student in the class. John is thinner than any other student in the class. John is the thinner than anyone/anybody else in the class.,否定词语+比较级 否定词语+“so.as“表示最高级 eg. Nothing is so easy as this. =Nothig is easier than this. =This is the easiest thing.,practice,1)Li Lei is_ than any other_in his class. A tall,studentsBtaller,studentsCtaller,student 2)Have you decided which youd like to buy,the black shirt or the yellow one? -The black one.Because it is _of the two. A the nicer B the nicest C nicer,3)English is one of the most _important subjects in our school. A most B the most C more D much more 4)Do you t