新人教版八年级上册英语 Unit 3 第2课时 Section A GF-3c 教学课件

1、八年级上册新人教版初中英语课件第二课时Section A GF-3c13Im more outgoing than my sister.情景导入We have learned how to pare two things with parative Forms of Adjectives and Adverbs. Today we will go on learning it.探究新知20 kgheavier15 kgheavy探究新知manymore探究新知Grammar FocusIs Tom smarter than Sam？No, he isnt. Sam is smarter tha

2、n Tom.Is Tara more outgoing than Tina?No, she isnt. Tina is more outgoing than Tara.Are you as friendly as your sister?No, Im not. Im friendlier.Does Tara work as hard as Tina?Yes, she does.Whos more hard-working at school?Tina thinks she works harder than me.探究新知2.什么是形容词的比较级？表示两者相比，一个比另一个更，有比较级的句中有

3、than，且仅限于两者比较。形容词的原级和比较级1.什么是形容词的原级？表示修饰两种东西的程度是一样的，用Asas表示原级，译为“和一样”。探究新知句子结构:1. 形容词比较级常用的句型结构 (A和B比较)：A + be动词+形容词的比较级+than +Be.g. Im taller than you. You are thinner than me. This ruler is longer than that one.探究新知e.g. I got up earlier than my mother this morning. 我今天早晨起床比我妈妈还早。 Tina sings more l

4、oudly than Tara。 Tina 比 Tara 唱的更大声。2. 副词比较级常用的句型结构：“A + 动词 + 副词比较级 + than + B”。探究新知1.单音节和少数双音节形容词、副词比较级的构成。不规则变化：（1）在词尾加-er tall taller smartsmarter short shorter high higher fast - faster形容词、副词比较级的变化规则:探究新知（2）以不发音的字母e 结尾的，加-rnice nicer large largerfine finer late later探究新知（3）重读闭音节以一个辅音字母结尾的，先双写辅音字母

5、，再加-er。 big bigger fat fatter thin thinner red redder hot hotter wet wetter（4）以辅音字母+y结尾的双音节词，先改y为i，再加-er。 happyhappier early earlier funnyfunnier easy easier探究新知（5）多音节词和部分双音节词要在前面加moreimportant more importantdelicious more deliciousexpensive more expensiveoutgoing more outgoingtired more tired serio

6、us more seriousslowly more slowly探究新知Chant比较级有规律，词尾加上-er两兄弟;要是以e来结尾，只有小二(r)跟上去;重读闭音节词要牢记，双写千万别忘记;要是“辅音+y”来结尾，小艾(i)要把y来替, 再加-er两兄弟; 多音节词加上m-o-r-e，你看这样多容易。探究新知good better well better bad worsebadly worsemany / much more little less far farther / further 形容词、副词比较级的不规则变化：探究新知He is very old now. 他现在很老了。T

7、hey ran quite fast. 他们跑得相当快。The weather looks rather bad. 天气看上去相当糟I am so happy. 我是如此的快乐。 原级的用法讲述某人或某物自身情况时用原级。基本句型：主语+ 谓语 + 形容词/副词原级 +.探究新知 He is as excited as his younger sister.他和他妹妹一样兴奋。Lily rode her bike as slowly as an old lady. 莉莉骑车像老太太一样慢。They picked as many apples as the farmers (did). 他们摘的

8、苹果和农民一样多。表示两者之间没有差别时，使用句型：主语(第一个人物) + 谓语动词 + as + 形容词/副词原级 + as + 第二个人物 +.探究新知Heisnotso/asexcitedashisyoungersister. 他没他妹妹那么兴奋。Lilydidnotrideherbikeso/asslowlyasan oldlady. 莉莉骑车不像老太太那样慢。Theydidntpickso/asmanyapplesasthe farmers(did).他们摘的苹果不如农民多。表示第一个人比不上第二个人时，使用句型: 主语(第一个人物) + 谓语动词(否定式) + as/ so + 形

9、容词/副词原级 + as 探究新知Amoderntrainisfasterthanacar. 现代的火车比轿车快多了。Thisbookdidntcostmemorethanthatone. 这本书花费我的钱不比那本多。比较级的用法1. 讲述两者有差异，第一个人物超过第二个人物时用比较级。基本句型：主语(A)+谓语动词+形容词/副词比较级+than+主语(B)+.探究新知2. 在形容词比较级前还可用much, even, still, a little来修饰, 表示“的多”, “甚至”, “更”, “一些”。e.g. This city is much more beautiful than b

10、efore. Shes a little more outgoing than me. Its a little colder today. 探究新知3. “比较级and比较级”意为“越来越” 。多音节比较级用“more and more形容词原级”形式。如：Its getting worse and worse. The group became more and more popular. 探究新知4. “Which / Who is + 比较级？”比较A、B两事物，问其中哪一个较时用此句型。如：Which T-shirt is nicer, this one or that one? W

11、ho is more active, Mary or Kate?Which one is more popular among students, going to concerts or going to movies?探究新知5. 使用形容词比较级时需注意以下几点：（1）than后面接代词时， 一般要用主格形式， 但在口语中也可使用宾格形式。 如：My brother is taller than I/me. （2）当需要表示一方超过另一方的程度时，可以用much, a lot, a little, a bit, even, still等来修饰形容词比较级。注意: 比较级不能用very,

12、so, too, quite等修饰。如：He is much more serious than Sam.探究新知（3）形容词比较级后面往往用连词than连接另一个比较的人或事物，但在上下文明确的情况下，形容词比较级可单独使用。如：My sister is tall, but my aunt is taller.我姐姐个子高，但我姑姑个子更高。（4）进行比较的人和物必须是同一类。My books are more than yours.I have more books than you.探究新知3aUse the words to write questions and answers.1.

13、 Julie /tall / you Q: _ A: No, she isnt. Shes _ than me.2. Jack/ run/ fast / Sam Q: _ A: No, he doesnt. He runs _ than Sam.Is Julie as tall as you?tallerDoes Jack run as fast as Sam? faster 探究新知3. Your cousin / outgoing / you Q: _ A: No, she isnt. Shes _ than me.4. Paul / funny / Carol Q: _ A: No, h

14、e doesnt. Hes _ than Carol.Is your cousin as outgoing as you? more outgoing Is Paul as funny as Carol? funnier 探究新知3bThink of yourself two years ago. Write about how you are different now.1. Are you taller? _ _2. Are you funnier? _ _Yes, I am. Im taller now than I was two years ago.Yes, I am. Im fun

15、nier now than I was two years ago.探究新知3. Are you more outgoing? _4. Do you study English harder? _5. Do you sing better?_Yes, I am. Im more outgoing now than I was two years ago.Yes, I do. I study harder now than I did two years ago.Yes, I do. I sing better now than I did two years ago.探究新知3c pare y

16、our parents. Check () who is smarter, funnier, etc. in the chart. Then ask your partner about his/her parents.A: Who is smarter, your mother or your father?B: I think my mother is smarter than my father.探究新知MotherFathersmarterfunnywork hardoutgoingfriendlysing wellMy mom is funnier than my dad. My d

17、ad works harder than my mom. My dad is funnier than my mom. My mom is more friendly than my dad. My mom sings better than my dad. 探究新知GuessingDescribe one of your classmates, and then let other students guess who he / she is.She is taller than me. She has longer hair than me. She wears glasses / a b

18、lue jacket Who is she?探究新知Good, better, bestGood, better, best,Never let it rest,Till good is better, And better is best.Rhyme探究新知Summary1. 形容词、副词的比较级 变化规则、不规则变化2. 同级比较 as as not as/so as old young high light cool hard-working fatgoodlowbadhot巩固练习olderfatteryoungerbetterhigherlowerlighterworsehottercooler将下列形容词变成比较级形式。more hard-working1. Im tall but my sister is _(short).2. My m