新目标英语八年级上Unit3Grammar Focus.ppt

1、Unit 3 Im more outgoing than my sister.,Section A Gramar Focus-3c,形容词 adj. He is tall. He is a tall man.,tall adj. short adj. long adj. short adj. thin adj. fat adj. heavy adj.,高的 矮的，短的 长的 短的 瘦的，薄的 肥胖的 重的，胖的,形容词和副词的比较级和最高级。 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,Grammar Focus,1. 构成的不规则变化: eg. good / well

2、better best bad / badly worse worst many / much more most little less least far farther / further farthest/ furthest,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

3、字母+ y”结尾的双音节词， 先改y为i, 再加-er或-est。如： easy easier easiest happy happier happiest,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 am taller than Tom. My dress is more beautiful than hers.,2. 最高级表示三者或三

4、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 little来修饰, 表示“的多”, “甚至”, “更”, “一些”。如： This city is much more beaut

5、iful 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.,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 tha

6、t one? Who is more active, Mary or Kate? Which one is more popular among students, going to concerts or going to movies?,6. 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:

7、比较级不 能用very, so, too, quite等修饰。如： He is much more serious than Sam.,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。,outgoing twin calm wild serious smart athletic note mean,孪生的;双胎的 镇静的;无忧虑的 表示的意思 严肃的;严重的 卤莽的;轻率的 友好的;直爽的 聪明的;

8、伶俐的;机敏的 注释;说明 体格健美的;强健的,Match the words.,Exercise,一、词汇,1. Im tall but my sister is _(short). 2. My mother has long hair, and my sister has _ (long) hair. 3.This little baby is _ (outgoing) than that one.,shorter,longer,more outgoing,4. In some ways we look the same, in some ways we look _(不同). 5. An

9、n is a very _(安静的) girl, she hardly makes noise.,different,quiet,1. The twins _ lovely girls. A. are allB. are bothC. both are 2. I like drawing and I am good _ it. A. in B. on C. at 3. That boxer is _ than others. A. more athleticB. athleticer C. much athletic,二、单项选择,B,C,A,4. She is three years _ t

10、han I am. A. oldB. more oldC. older 5. I think a good friend should make me _. A. laughB. laughingC. to laugh,C,A,6. - Which of the caps will you take -Ill take _.one for my father the other for my brother. A.neither B.both C.all 7. Sam looks like his Dad. They are _ tall. A. either B. any C. all D. both,B,D,8. There are many tall buildings on _ sides of the street. A. either B. all C. both 9. _Lily _ Lucy may go with you because one of them must stay at home. A. Not, but B. Neither, nor C. Both, and D. E