八年级上册unit3sectionA复习、1

1、Unit 3 Im more outgoing than my sister.,Section A,知识点总结,1.both 的用法 （1）both and 两者都 Both Jim and Jack are middle school students . (2) both of Both of them are from America . (3) both 放在句中，be 动词之后，行为动词之前 They are both from America . They both come from America .,2.形容词的用法,short,short hair,heavy/fat,sm

2、art,strong,outgoing,serious,严肃的，稳重的,友好的,外向的,聪明的，漂亮的,foolish,有趣的,好玩的,文静的,内向的,funny,tall,long hair,thin,quiet,Speak out the opposites(反义词) of these adjectives,1. Jordan is tall.,2. Yao Ming is taller than him.,更 高,A+be+比较级+than +B,O is _ than I,fatter,This example is more interesting than that one.,O比

3、I 胖些,Which runs faster, the dog or the sheep?,The dog runs faster than the sheep.,The sheep runs fast.,Sam _the drums _ Tom.,Tina _ _ loudly _ Tara.,plays better than,sings more than,A +动词+副词比较级 +than +B,大多数形容词和副词有三个等级： 原级、比较级、最高级。 一、构成 1. 构成的不规则变化: eg. good / well better best bad / badly worse wors

4、t many / much more most little less least far farther / further farthest/ furthest,Grammar: 形容词和副词的 比较级和最高级,2. 构成的规则变化: 1) 单音节词和少数双音节词 一般在词尾后加-er 或-est. 如： cold colder coldest nice nicer nicest 2) 重读闭音节词末尾只有一个辅音字母 时, 先双写这个辅音字母, 再加-er或-est。 如: big bigger biggest thin thinner thinnest,3) 以“辅音字母+ y”结尾的

5、双音节词， 先改y为i, 再加-er或-est。如： easy easier easiest happy happier happiest 注：由形容词+ly 构成的副词，变比较级时要+more clear-clearly-more clearly loud-loudly-more loudly 4) 多音节词和部分双音节词在词 前加more或most。如： delicious more delicious most delicious interesting more interesting most interesting,二、用法 1.比较级表示两者 (人或事物) 的比较。 eg. I

6、am taller than Tom. My dress is more beautiful than hers. 2. 最高级表示三者或三者以上 (人或事物 ) 的比较, 其中有一个在某一方面超过其他几个时, 用最高级。最高级的前面一般要加定冠词 the, 后面可带 of ( in )短语来说明比较的范围。 如： She is the youngest in the class. Jason is the tallest of the three. Whose handwriting is the best of all?,3.在形容词比较级前还可用much, even, still, a

7、little 来修饰, 表示“的多”, “甚至”, “更”, “一些”。如： This city is much more beautiful than before. Shes a little more outgoing than me. Its a little colder today. 4.“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.,1.This book is much more

8、interesting than that one. 2.His word is much better than mine. 3.Physics is a little harder than Chemistry. 4.Today weather is even colder. 5.Transportation in this city is a lot busier. 6. Our school is much beautiful than it was last year,much, even, a little, a lot + 比较级 但不能用very, so, too , quit

9、e 来修饰,修饰比较级的词,“的多”,“稍一点”。,“甚至”, “更”,“的多”,“的多”,much ,a little, far , a bit ,even, still, a lot,1.My hair is_(一点) shorter than yours. 2.Today is _(得多) hotter than yesterday. 3.Its cold yesterday,its _(甚至 )colder today. 4. He feels _ today than yesterday. A. tired B. many tired C. more tireder D. much

10、more tired,a little,much,even,Exercises 1,5. “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? Who is more active, Mary or Kate? Which one is more popular among students, going to concerts or going to movies?,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

11、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, so, too, quite等修饰。如： He is much more serious than Sam. 3) 上下文明确的情况下,形容词比较级可单独 使用不用连词than 。如： My sister is tall, but my aunt is taller.,1. His computer is c

12、heaper than I. 2. Mary is very younger than her brother. 3. Shanghai is bigger than any cities in China. 4. Tom is taller of two brothers. 烦恼一 同类事物才能比较 烦恼二 错用修饰语。 修饰比较级只能用much / even / far / a little. 不能用very / so / too / quite来修饰。 烦恼三 同一事物不能比较。 同一事物在某一范围内进行比较，常用结构 比较级+than any (other)+单数名词 烦恼四 表示“是

13、两者中更的一个”时, 用 “the + 比较级+ of the two”结构。the 不可缺。,名医坐诊,asas同级比较, 两个“as”之间 必须使用形容词或副词原级。意为“如同一样”, not as / so as “不如一样”,3）as表示同级比较用法,tall run fast funny,Tina is as tall as Tara.,Tina runs as fast as Tara.,Tina is as funny as Tara.,根据句意填入单词的正确形式： 1. My brother is two years _(old) than me. 2. Tom is as _

14、(fat) as Jim. 3. Is your sister _(young) than you? Yes, she is. 4. Who is _(thin), you or Helen? Helen is. 5. Whose pencil-box is _(big), yours or hers? Hers is. 6. Marys hair is as _(long) as Lucys. 7.Ben _ (jump) _ (high) than some of the boys in his class. 8._ Nancy sing _ (well) than Helen? Yes, she _.,older,fat,younger,thinner,bigger,long,jumps,higher,Does,better,does,9.Fangfang is not as _ (tall) as the other girls. 10.My eyes are _(big) than _(she). 11.Which is _(heavy), the elephant or the pig? 12.Who gets up _(early), Tim or Tom? 13._the girl