人教英语八年级上册unit3 Section A (GF-3c) 教学课件a

1、八年级（上）更多更多请关注请关注“初中教师平台初中教师平台”公众号公众号初中名师聚集地，助力初中教学初中名师聚集地，助力初中教学各科最新优质资料陆续推送中各科最新优质资料陆续推送中快快告诉你身边的小伙伴们吧快快告诉你身边的小伙伴们吧Section A (GF-3c)Unit 3Im more outgoing than my sister. 八年级英语上（八年级英语上（RJRJ） 教学课件教学课件学习目标学习目标Key sentences:1. Is Tara more outgoing than Tina？ No, she isnt. Tina is more outgoing than T

2、ara.2. Does Tara work as hard as Tina? Yes, she does.3. Who is smarter, your mother or your father? I think my mother is smarter than my father. The comparative forms of adjectives and adverbs.1. 形容词的原级 形容词的形容词的原形。2. 形容词的比较级 表示两者相比，一个比另一个表示两者相比，一个比另一个更更，有比，有比 较级的句中有较级的句中有than, ,且仅限于且仅限于两者比较两者比较。形容词的

3、原级和比较级This tree is _ than that tree.She is _ than before.tallerthinnerPast Now比较级一、句子结构:1. 形容词形容词比较级常用的句型结构比较级常用的句型结构 (A和和B比较比较)： A + be动词动词+形容词的比较级形容词的比较级+than +B eg: Im taller than you. You are thinner than me. This ruler is longer than that one.2.Health is _ inportant than money.A. strong B. stro

4、nger C. the stronger D. the strongestB1.Hes _ than his brother.A. more B. muchC. most D. the A2. 副词比较级常用的句型结构副词比较级常用的句型结构： “A + 动词动词 + 副词比较级副词比较级 + than + B”。eg:I got up earlier than my mother this morning.我今天早晨起床比我妈妈还早。我今天早晨起床比我妈妈还早。Tina sings more loudly than Tara。Tina 比比 Tara 唱得更大声。唱得更大声。1.Ann, I

5、 am worried Im getting fatter. What shall I do? I think you should eat food and do more exercise.A.moreB.lessC.muchD.little2.Lee sang _ that other singers in the singing competion and he won the first prize. A.goodB.wellC.betterD.bestBC 1. 单音节和少数双音节形容词、副词比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：较级的构成。不规则变化： 1)

6、在词尾加在词尾加-er tall taller smartsmarter short shorter high higher fast faster二、形容词、副词比较级的二、形容词、副词比较级的变化规则:2) 以不发音的字母以不发音的字母e 结尾的，加结尾的，加 -r nice nicer large larger fine finer late later3)重读闭音节以一个辅音字母结尾的，先重读闭音节以一个辅音字母结尾的，先双写辅音字母，再加双写辅音字母，再加-er。 big bigger fat fatter thin thinner red redder hot hotter wet

7、 wetter4)以辅音字母以辅音字母+y结尾的双音节词，先改结尾的双音节词，先改y为为i，再加，再加-er。 happyhappier early earlier funnyfunnier easy easier5)多音节词和部分双音节词要在前面加多音节词和部分双音节词要在前面加more important more important delicious more delicious expensive more expensive outgoing more outgoing tired more tired serious more serious slowly more slowly

8、比较级有规律比较级有规律, 词尾加上词尾加上-er两兄弟两兄弟;要是以要是以e来结尾来结尾, 只有小二只有小二(r)跟上去跟上去;重读闭音节词要牢记重读闭音节词要牢记, 双写双写千万别忘记千万别忘记;要是要是“辅音辅音+y”来结尾来结尾, 小艾小艾(i)要把要把y来替来替, 再加再加-er两兄弟两兄弟; 多音节词加上多音节词加上m-o-r-e, 你看这样多容易。你看这样多容易。请写出下列各词的比较级的正确形式。请写出下列各词的比较级的正确形式。 3. easy_ 4. funny_ 2.tall_ 1. quiet_ quitertallereasierfunnier5. friendly_

9、friendlier6.beautiful_ more beautiful7.outgoing_ more outgoing8.different_ more different good better well better bad worse badly worse many / much more little less far farther / further 三、形容词、副词比较级的三、形容词、副词比较级的不规则变化:注：需一一记住典型的不规则词注：需一一记住典型的不规则词1.If you want to be thinner and healthier, youd better

10、eat _food and take _ exercise.A.more, fewer B. more, less C. fewer, more D. less, more2.Which do you like _, tea or coffee? A.good B. better C. best D. the betterDBThe pink bag is as _ as the purple one.big同级比较Lingling runs as _ as Li Lei.fast肯定句肯定句： Tara is as friendly as Tina. Tara和和Tina一样友好。一样友好。

11、 Tara works as hard as Tina. Tara工作和工作和Tina一样努力。一样努力。一、句型:as as 和和一样一样表示修饰的两种东西的表示修饰的两种东西的程度是一样的程度是一样的。 否定句否定句： Lily is not so/as tall as Mary. 莉莉不如玛丽高。莉莉不如玛丽高。(莉莉比玛丽矮。莉莉比玛丽矮。) Tara doesnt work so/as hard as Tina. Tara 工作不如工作不如Tina努力。努力。 (Tina 工作比工作比Tara 更努力。更努力。)not as / so as 不如、比不上不如、比不上 表示前者表示前者

12、不如、比不上不如、比不上后者。后者。二、句子结构:1. 形容词形容词同级比较同级比较常用的句型结构常用的句型结构 (A和和B比较比较)： A + be动词动词+ as +形容词的原级形容词的原级 + as +B eg: She is as quiet as you. You are as thin as your sister. This ruler is as long as that one.(以以asas为例为例)2. 副词副词同级比较同级比较常用的句型结构常用的句型结构 (A和和B比较比较)： A + 动词动词+ as +副副词的原级词的原级 + as +B eg: Peter run

13、s as slowly as Tony. Tara works as hard as Tina. 一些带有一些带有 as . as 结构的常见短语归纳：结构的常见短语归纳： as busy as a bee 像蜜蜂一样忙碌像蜜蜂一样忙碌 as easy as ABC 像像ABC一样容易一样容易 as deep as a well 像井一样深像井一样深 as light as a feather 像羽毛一样轻像羽毛一样轻 as soft as butter 像黄油一样软像黄油一样软 as rich as a Jew 像犹太人一样富裕像犹太人一样富裕20 kgheavier15 kgheavyma

14、nymoreUse the words to write questions and answers.3a1. 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 3. Your cousin / outgoing / you Q: _ A: No, she isnt. S

15、hes _ than me.4. Paul / funny / Carol Q: _ A: No, he doesnt. Hes _ than Carol.Is your cousin as outgoing as you? more outgoing Is Paul as funny as Carol? funnier 3cCompare your 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.Describe 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 blue jacket Who i