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类型八年级上unit3-4语法.docx

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    八年级上unit3-4语法.docx
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    1、Unit3-4Grammer Focus 形容词的比较级和最高级的构成和用法一形容词的含义说明人或事物的特征、性质或状态,常用来修饰名词或不定代词A happy girl an interesting book the friendly peoper二. 形容词、副词的变化规则一般在词尾直接加 er 或 est eg: talltaller-tallest, longlongerlongest 以不发音的字母 e 结尾的单词, 在词尾直接加 r 或 steg: nicenicernicest 以“辅音字母+y”结尾的词,把 y 变为 i,再加 er 或 esteg: heavyheavierh

    2、eaviest.重读闭音节 1.后三个字母是辅+ 元+辅音,双写末尾辅音字母, 再加 er 或 est 。2.最后音节重读 eg: bigbigger-biggest (fat, hot, wet, thin).多音节词和部分双音节词分别在原级前加 more 构成 比较级和 most 构成最高级eg: slowlymore slowlymost slowly ; beautifulmore beautifulmost beautiful你现在能写出下面形容词的比较级和最高级了吗?hot _ friendly _ busy _strong _large _ comfortable _注:几个特殊

    3、的形容词和副词的变化原级 比较级 最高级good ,well better bestmany ,much more mostLittle less leastbad /badly/ ill worse worstold older oldestelder eldestfar farther 表距离 farthestfurther 表程度 furthest三比较级的基本用法及常用句型结构(1) 含义:两个人或事物之间的比较(2) 标志词:than (比 ) (3) 用法及考点: 可以修饰比较级的副词:much (得多) a little (一点儿)a lot (得多) a bit (一点儿)fa

    4、r (得多) even (甚至)still ( 仍然 ) rather (更)eg: Lesson One is much easier than Lesson Two.Tom looks a little younger than before. She drives still more carefully than her husband.比较级常用的句型结构 考点 1. “A+比较级+than+B”表示: “A 比 B”eg: Tom is taller than Kate.I get up earlier than my mother every morning. 考点 2. “A+

    5、比较级+than+ any other+单数名词”,表示:“A 比其他任何一个都”, (含义是: 同一范围内比较,甲最 ”。 )eg:The Yangtze River is longer than any other river in China. =The Yangtze River is the longest river in China. 考点 3.“比较级+and+ 比较级 ” , 表示:“越来越”。 当形容词为多音节词或部分双音节词时,用“more and more+形容词原级”eg: He is getting taller and taller.他变得越来越高了。 The f

    6、lowers are more and more beautiful.花儿越来越漂亮。 He does his homework more and more carefully.他做作业越来越认真了。 考点 4.“the+比较级,the+比较级”, 表示 :“越,越”。 eg: The more careful you are,the fewer mistakes youll make.你越认真,犯的错误越少。The more,the better.越多越好 考点 5.“which/who+be+ 比较级,A or B ?表示哪一个更.” eg: Which is bigger,the ear

    7、th or the moon?哪一个大,地球还是月球? Who draws better,Jenny or Danny? 谁画得比较好,詹妮还是丹尼? 考点 6.表示倍数时,用“倍数+比较级+than”Eg:Your room is three times bigger than mine四最高级的基本用法及常用句型结构 (1)用法:三者或三者以上的人或事物之间的比较。 in + 短语 ( 在之中)(2) 标志词: of + 短语 ( 在当中)考点 . 主语 +the+最高级+in/of 短语” 表示: “是中最的”。 eg: Tom is the tallest in his class./

    8、of all the students.汤姆是他们班上/ 所有学生当中最高的。This apple is the biggest of the five.这个苹果是五个当中最大的。 I jump (the) farthest in my class.我是我们班跳得最远的。【注:形容词的最高级前通常加定冠词 the, 副词的最高级前定冠词 the 通常可以省略】 考点 “主语+be +one of the+形容词最高级+复数名词,表示: “是中最之一”。 eg: Beijing is one of the largest cities in China.北京是中国最大城市之一。 考点 . “特殊

    9、疑问词 +the+最高级 +甲,乙,or 丙?” 用于三者及以上的比较。 eg: Which country is the largest,China,Brazil or Canada?Which season do you like (the) best,spring,summer or autumn?考点形容词最高级前可以用物主代词,指示代词,名词所有格等修饰,此时不能再用定冠词。Eg:This is our best lesson today.这是我们今天最好的一节课六形容词、副词的原级比较(1)用法:两者就同一事物进行比较。肯定句:as+形容词原形+as 表示:与一样(2)句型结构否定

    10、句:not so/as+形容词原形 as 表示:不如eg: She is as tall as her sister. (她和她姐姐一样高。 )He runs not so/as fast as his classmates. (他跑得不如他的同学们快。 )课堂练习(一) 写出下列形容词的比较级与最高级形式: long_ _ wide _ _ fat _ _ heavy_ _ slow _ _ few_ _ bad _ _ far_ _ happy_ _ (二) 选择填空: 1. She looks _ than she does. A. the more older B. very olde

    11、r C. much older D. more older2. The line is _ than that one. A. more longer B. not longer C. much more longer D. many more longer 3. The garden is becoming _. A. more beautiful and more B. more beautiful and beautiful C. more and more beautiful D. more beautiful and beautifuler 4. As the 2010 Asian

    12、Games get closer, Guangzhou is becoming than ever.(2009)A. beautiful B. most beautiful C. more beautiful D. almost beautiful5. Why dont you like winter in Beijing? Because it is _winter in Guangzhou.A. as cold as B.much colder than C. not so cold as D.not colder than6. The actress is already 50, but

    13、 she looks _ than she really is.A. young B. more young C. more younger D. much younger (三) 用所给词的正确形式填空: 1.Gold(黄金) is _ (little) useful than iron(铁). 2.My sister is two years _ (old ) than I. 3.Johns parents have four daughters, and she is the _ (young) child. 4.She will be much _ (happy) in her new

    14、 house.5.Dick sings _ (well), she sings _(well) than John, but Mary sings_(well) in her class. (四) 翻译句子: 1.这本书跟那本书一样有趣。This book is _ _ _ that one. 2.你游泳没有你弟弟好。You cant swim _ _ _ your brother. 3.今天比昨天冷的多。It is _ _ today_ it was yesterday. 4.她的身体状况一天天好起来。He is getting _ _ _ every day. 5.他对英语越来越感兴趣。He is becoming _ _ _ _ _ English.

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