八年级上册英语第三单元Section A (GF-3c) 教学课件

1、八年级（上）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 Tara.2. Does Tara work as hard as Tina？Yes,she does.3. Who is smarter，your mother or your father？I think my moth

2、er 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. 形容词比较级常用的句型结构 (A和B比较)： A

3、 + 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.2.Health is _ important than money.A. strong B. stronger 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

4、副词比较级 + than + B”。e.g. 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 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 _ tha

5、t 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) 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 nic

6、e 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 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

7、面加more important more important delicious more delicious expensive more expensive outgoing more outgoing tired more tired serious more serious slowly more slowly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_ quitertallereasierfunnier6.beautiful_ 7.outgoing_ 8.different_ mor

8、e beautifulmore outgoingmore different5. friendly_ friendlier 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 eat _food and take _ exercis

9、e.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。 Tara works as hard as Tina.

10、 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 表示前者表示前者不如、比不上不如、比不上后者。后者。二、句子结构:1.

11、形容词同级比较常用的句型结构 (A和B比较)： A + be动词+ as +形容词的原级 + as +Be.g. 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. 副词同级比较常用的句型结构 (A和B比较)： A + 动词+ as +副词的原级 + as +Be.g. Peter runs 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：

12、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 kgheavymanymoreUse the words to write questions and answers.3a1. Julie /tall / you Q:

13、 _ 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. Shes _ than me.4. Paul / funny / Carol Q: _ A: No, he doesnt. Hes _ than Caro

14、l.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. Good, better, bestGoo