1、是用来描述人或事物的性质、状态或特征的词。形容词a thin and tall boya black and white cowblue sky and white cloudssome lovely dogsPractice用方框中所给的形容词填空。（每词限用一次）用方框中所给的形容词填空。（每词限用一次）1.The bag is _ for me.Ill take it.2.The snow is over one metre _ in winter here.3.Please keep the windows _.We need more fresh air.4.The weather
2、today is _.I would like to go swimming.5.He is a _ teacher.He often helps us.6.We work _ day.Now we have to rest.cheapthickopenhotfriendlyall形容词的原级句型形容词的原级句型 （1）形容词修饰的人或物，如果未与别的人或物进行比较，使用原级。He is very old now.他现在很老了。The weather looks rather bad.天气看上去相当糟糕。（2）表示两者之间没有差别时，使用原级。He is as excited as his y
3、oung sister.他和他妹妹一样兴奋。The trees look as tall as the building.这些树看起来和那栋楼一样高。（3）表示前一个人或物比不上后一个人或物时，使用原级。Boys are not as/so careful as girls.男孩不如女孩那样细心。The story doesnt sound as/so interesting as that one.这个故事听起来不如那个故事有趣。形容词比较级和最高级的构成形容词比较级和最高级的构成 单音节词和部分双音节词直接加-er/-est 以字母 结尾的词只加 e-r/-st 重读闭音节词词尾只有一个辅
4、音字母时，先双写该辅音字母，再加-er/-est以辅音字母+y 结尾的双音节词，把 y 变为 i，再加-er/-est多音节以及部分双音节词，要在词前分别加more和most变比较级、最高级不规则变化的词，需要特殊记忆Practice写出下表中比较级和最高级。原级比较级最高级原级比较级最高级warminterestingthickheavylargeexpensivelongeasystronghotPractice写出下表中比较级和最高级。原级比较级最高级原级比较级最高级warmwarmerwarmestinterestingmoremostthickthickerthickestheavy
5、heavierheaviestlargelargerlargestexpensivemoremostbigbiggerbiggesteasyeasiereasieststrongstrongerstrongesthothotterhotter形容词的比较级句型形容词的比较级句型 （1）如果要比较两者或两类人或物，表达其中一者（类）比另一者（类）“更”时，形容词用比较级，基本句型是：比较级前面可加 much“多”、a little“一点儿”等，用来强调程度。句型中 than 是连词，后面应该接“主语+动词”（动词常省略），但口语中可以接“代词宾格”。Im older than he is.=Im
6、 older than him.我比他大。Were busier than you are.=Were busier than you.我们比你忙。提示（2）如果两者进行“选择”比较时，用比较级，句型是：（3）用比较级的两个特殊结构（3）用比较级的两个特殊结构 Practice用所给形容词的正确形式填空。用所给形容词的正确形式填空。1.Bob is _(young)than Fred but _(tall)than Fred.2.Which is _ (heavy),a hen or a chicken?3.The white flower is very _(nice).The yellow
7、 flower is _ (nice)than the white flower.4.The air in Beijing is getting _ (clean)now than a few years ago.youngertallerheaviernicenicercleaner形容词的最高级句型形容词的最高级句型 （1）如果对三者进行选择比较时，用下面的句型：Who is the tallest,Mary,Lisa or Amy?玛丽、莉萨还是艾米，谁最高？Which is the longest,the Changjiang River,the Yellow River or the
8、 Zhujiang River?哪一个最长，长江、黄河还是珠江？（2）如果三者或更多的人或物在一定范围内做比较（同类比较用 of，不同类比较用in），表达其中一者“最”时，用下面的句型：Li Ming is the friendliest person in our class.李明是我们班上最友好的人。The dog is the cleverest of these animals.狗是这些动物中最聪明的。（3）如果在三者或更多的人或物中，表达“是最之一”时，用下面的句型：Beijing is one of the biggest cities in China.北京是中国最大的城市之一。
9、Ann is one of the tallest girls in our school.安是我们学校中最高的女孩之一。Practice用所给形容词的正确形式填空。用所给形容词的正确形式填空。1.He is _(clever)of all the four brothers 2.He does _(good)in maths in our school 3.Which is _(small),the mouse,the dog or the horse?4.The Zhujiang River is the fourth _(long)in China.the cleverestthe be
10、stthe smallestlongestPractice用所给形容词的正确形式填空。用所给形容词的正确形式填空。1.Lee is a _(good)reader than me.2.The elephant is _(heavy)of these four animals.3.The book is _(easy)of the two.4.They are very _(happy).5.Sally is _(kind)person in the world.6.My grandpa is much _(thin)than my father.betterthe heaviestthe easierhappythe kindestthinner
