比较级和最高级【讲解练习】.docx

形容词副词的比较级和最高级、形容词，副词的比较级、最高级一、规则变化1.一般在词尾直接加er或est，例如，tall-taller-tallest，long-longer-longest2.以不发音的字母e结尾的单词在词尾直接加r或st，例如，nice-nicer-nicest3.以辅音字母+y结尾的词，把y变为i，再加er或est，例如，heavy-heavier-heaviest4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加er或est，例如，big-bigger-biggest5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级，例如，slowly-more slowly-most slowly；beautiful-more beautiful-most beautiful二、不规则变化一、原级的用法1.只能修饰原级的词，very，quite，so，too He is too tired to walk on.他太累了以至于不能再继续走了。2.肯定句:“甲+be+(倍数)+as+原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍” Tom is as old as Kate.汤姆和凯特年龄一样大。 Tom runs as fast as Mike.汤姆和迈克跑得一样快。(2)否定句：“甲+ be + not + as/so + 原级 + as + 乙 ” 甲不如乙 This room is not as/so big as that one. 这个房间不如那个大。 He doesnt walk as slowly as you.他走路不像你那样慢。二、比较级的用法1.可以修饰比较级的词，much，a lot，far，的多a little，a bit，一点儿 even甚至，still仍然2. “甲+be+(倍数)+比较级+than+乙 “比较级+and+比较级”表示“越来越”。The flowers are more and more beautiful.花儿越来越漂亮。 3. “the+比较级，the+比较级”表示“越，越”。The more careful you are，the fewer mistakes youll make.4. “特殊疑问词+be+形容词比较级，甲or乙？” Which is bigger，the earth or the moon？5.“特殊疑问词+实意动词+副词比较级，甲or乙？” Who draws better，Jenny or Danny？3.最高级常用句型结构三、最高级的用法1.“主语+be+the+最高级+单数名词+in/of短语”表示“是中最的”。Tom is the tallest in his class./of all the students.I jump (the) farthest in my class.2.“主语+be+one o f the+最高级+复数名词+in/of短语”表示“是中最之一”。 Beijing is one of the largest cities in China.3.“特殊疑问词+be+the+最高级+甲，乙，or丙？”用于三者以上的比较。牛刀小试！1. She played the piano_than we had thought. A.successful B.successfully C.more successful D.more successfully2.I feel even_now. A.bad B.well C.worse D.worst3.She was very happy. She ran_of all the runners. A.fastest B.the quickest C.slowest D.quickly4.Keep quiet，please.Its_noisy here. A.many too B.too many C.much to D.too much5. The box is _ heavy for the girl_carry. A.too，to B.to，too C.so，that D.no，to6. Do you think the fish tastes_？She cooked it_，I think. A good，good B well，good C well，well D good，well7. Do you have _ to tell us？ A.something new B.new somethingC.anything new D.new anything8.The car is running_.It seems to be flying. A.more and faster B.more and fastC.fast and fast D.faster and faster9.English is as _ as Chinese.You should learn it well. A.important B.more importantC.the most important D.much more important10.Music is not so useful as science.Its _ useful than science. A.fewerB.less C more D.a lot11. I bought _ exercise-books with_money. A.a few，a few B.a few，a little C.a li