人教版初二下英语第14讲unit 7语法篇学生版.docx

1、人教版初二下英语第14讲unit 7语法篇学生版Unit 7 语法篇_学生通过本讲学习，能够掌握本单元的重点语法，并在综合能力上有一定的拓展。形容词、副词用法1、分类：形容词和副词有原级、比较级和最高级三级。原级变为比较级和最高级有规则变化和不规则变化两种。2、规则变化:(1)单音节和部分双音节形容词和副词,在原级的后面加上er, est构成比较级和最高级。(a)直接加er, est ：(b)以重读闭音节结尾的,要双写最后一个辅音字母,后加er, est：(c) 以辅音字母+y结尾的,先把y改为i再加上er, est：(2)两个音节或两个以上的音节的,在原级前加more / most.3、不规

2、则变化:原级比较级最高级good好的better更好的best最好的well好；(身体)好的,bad,badly糟糕的,糟糕地worse更糟糕的,更糟糕地；(身体)更不舒服的worst最糟糕的,最糟糕地；(身体)最不舒服的ill(身体)不舒服的many许多的(可数)more更多的；更most最多的；最much许多的(不可数)；非常little少的less更少的least最少的far远的；远地farther更远的；更远地farthest最远的；最远地further进一步的(地)furthest最深刻的(地)(一)原级的用法1、只能修饰原级的词 very, quite, pretty, reall

3、y, too, so, enough 如： I am pretty _(healthy). English is so _(difficult).2、感叹句中用原级。如 What an _(interesting) book!3、as+形容词/副词原级+as（与一样） 4、not as/so +形容词/副词原级+as（A不如B） 如： He is as tall as me.=He is the same _ as me. 他与我一样高。 He is as old as me.= He is the same _ as me. 他与我一样大。 He isnt as/so old as me .

4、 他没我大。5、 less+形容词/副词的原级+ than (A 不如B) 可以与 not as/so +形容词/副词原级+as互换。He isnt as old as I.= He is _ _than me. =He is _ than me. =Im _ than he /him. He doesnt run as fast as I.= He runs _ _ than me. = He runs _ _ than me. = I run _ than him. 他跑得没我快。 Chinese isnt as difficult as English. =English is _ _

5、than Chinese. 语文没有英语难。 （二）比较级的用法1、than 两者（人/物）进行比较时用比较级，表示“一个比另一个更”或“较”。句式为：A+ 谓语动词+比较级+than+B。如果上下文明确，比较级也可单独使用。He is _(tall) than his father . 他比他父亲高。This shirt is too small. Do you have a _(big) one?这件衬衣太小了。你有大一些的吗？2、or 句式：特殊疑问句，A or B？如：Who is _(young), Lucy or Lily? 露西和莉莉，谁更小一些？3、修饰比较级的词：a lot,

6、 much, far 得多 a little, a bit一点儿 even 甚至 still 仍然如： Im a little _(tall) than him. 我比他高一点。 That must be a lot _(interesting) than taking a bus.4、of the two 比较级前要加the 用the + 比较级+ of the two (the twins/parents) 特指两者中较（高/矮）的一个。 Tina is _(tall) of the twins. Mike is _(smart) of the two boys.5、比较级+and+比较级

7、 表示“越来越” 单音节词： better and better 越来越好 多音节词： more and more beautiful He is getting _ and _(tall).他变得越来越高了。 The film is _ and _(interesting).这部电影越来越有趣了。6、 the +比较级，the+ 比较级 表示“越，越”如 The more, the better.越多越好。The _(careful)you are, the _(few) mistakes you make.7、any (范围外)/ any other(范围内)Shanghai is big

8、ger than _ city in China.上海比中国的任何一个城市都要大。Shanghai is bigger than _ city in Japanese.上海比日本的任何一个城市都要大。8、两者相比比较的对象要一致。 He has longer hair than I (do).= His hair is longer than mine. There are more students in our class than in their class. My watch is _(expensive)than _(you).我的手表比你的贵。 I have _(few) sto

9、ry books than _(you).我的故事书比你的少。9、not any more=no more不再(次数的不再重复) not any longer=no longer不再（时间的不再延长） （三）最高级的用法1. of /in 三者或三者以上的人或物进行比较时，用最高级，形容词的最高级前面要加the，后面用of/in. of + 同类人/物 in+ 表地点的范围，副词的最高级前面可用the，也可省略。 Tom is the tallest (boy) in his class. 汤姆是他班上最高的男生。 Tom is the tallest (boy) of all the boy

10、s (in his class).2. or which/who 引导的选择疑问句有三者相比，也可用最高级。 Which is _(big),the sun, the earth or the moon?太阳、地球、月亮，哪个最大？ Who is_(tall), Tom, Mike or John?3. one of the longest rivers 最长的河流之一 句式：one of +the + 形容词的最高级+名词复数，表示“中最之一” 如：Xian is one of the oldest cities in China. 西安是中国最古老的城市之一。4. the second l

11、ongest river 第二长的河 句式： the + 序数词+ 形容词的最高级+名词，表示“第几的”如：The Yellow River is the second _(long) river in China.5. 当形容词的最高级前有形容词性物主代词、名词所有格或指示代词时，不用定冠词the.如：This is my best book of all.这是我所有书中最好的一本。（四）级别的转换1. 原级与比较级的转换This room is five times as big as that one.=This room is four times bigger than that o

12、ne.English isnt so easy as math. = English is _ _ than math. =English is _ than math.=English is _ _ than math. =Math is _ than English.2.比较级与最高级的转换句式：比较级+than+any other +单数名词 比较级+than+the other +复数名词 比较级+than+the othersNobody else +比较级+ than Peter is the tallest student in our class. =Peter is tall

13、er than _ _ _ in our class. =Peter is taller than _ _ _ in our class. =Peter is taller than _ _ in our class. =_ _ is taller than Peter in our class.一、下列哪些形容词和副词的最高级需要在前面加most, 请圈出。long wide fat heavy slowly beautiful brightly useful quickly happy 二、用形容词和副词的比较级和最高级填空。1. Which is _ (big), the sun, th

14、e moon or the earth?2. Which is _ (beautiful), the black coat or the blue one?3. This cake is_ (cheap) of all.4. He does his homework _(carefully) than his sister.5. Tom runs _ (quickly) in his class6. Now his life is becoming _ and _ (difficult).7. Things are getting _ and _ (bad).基础演练 一、单项选择 1. Ch

15、ina has a much population than . A. larger; RussiaB. more; Russia C. larger; that of RussiaD. more; that of Russia 2. - Is English more important than Maths?- No, I dont think so. English is Maths. A. much important thanB. more important as C. as important asD. as more important as 3. - I eat vegeta

16、bles and meat than I did last year.- Thats why youre getting fatter. A. fewer; moreB. more; lessC. least; moreD. many; much 4. When autumn comes, the days get . A. long and longB. longer and longer C. short and shortD. shorter and shorter 5. Mr. Li asks us to remember that careful we are, mistakes w

17、e will make. A. the more; the fewerB. the fewer; the more C. the more; the moreD. the less; the fewer 6. Of all the animals, I think dogs are . A. the most friendlyB. most friendly C. more friendlyD. friendly 7. My sister is than I. A. three kilos heavierB. three kilos heavy C. heavier three kilosD.

18、 heavy three kilos 8. The bridge is . It will take ten minutes to it. A. 118 metres long; go pastB. 118 metres long; go across C. 118-metre-long; acrossD. 118 metres long; go through 9. Our school is than theirs but theirs is much more beautiful than ours. A. three times bigB. the third times bigger

19、 C. the third times bigD. three times bigger10. - All of us are proud of the progress hes made during the past few years.- Yes, were sure he will be even . A. successfulB. more successful C. most successfulD. successfully巩固提高二、翻译(根据中文提示完成句子) 11. 这只大象比这只熊猫重很多倍。This elephant weighs than this panda.12.

20、 足球是我校最受欢迎的运动项目之一。Football is games in our school.13. 我的房子是他的房子的三倍大。My house is big his.14. 但是谁能弹钢琴弹得最好或唱歌唱得最美呢？But who can play the piano or sing beautifully?15. 我认为数学比英语难得多。I think math is than English.16. Tom is taller than Jim. (改为同义句)Jim is than Tom.17. Susan is five years old and Linda is five

21、 years old, too. (改为同义句)Susan is Linda.18. Mike is the tallest boy in the class. (改为同义句)No boy is Mike in the class.19. Shanghai is the biggest city in China. (改为同义句)Shanghai is bigger than city in China.20. Jane is the youngest in her class. (改为同义句)Jane is younger than in her class.一、适当形式填空(单句适当形式)

22、 1. My brother is two years (old) than me. 2. Is your sister (young) than you? 3. Whose pencil box is (big), yours or hers? 4. Ben jumps (high) than some of the boys in his class. 5. Does Nancy sing (well) than Helen?二、单项选择 6. Today he is than yesterday. A. very betterB. a little better C. wellD. be

23、st 7. The white horse is so . A. strongB. stronger C. a little strongerD. strongest 8. Cathy did quite in the English test. I did even . A. better; wellB. well; well C. well; betterD. better; better 9. Of the two Australian students, Mary is one. I think you can find her easily. A. tallestB. the tal

24、lerC. tallerD. the tallest10. The the better. Im short of money. A. cheapB. cheaper C. expensiveD. more expensive11. He feels today than yesterday. A. more tiredB. tiredC. more tirederD. much tired12. Of the two toys, the child chose . A. the more expensive oneB. one most expensive C. a least expens

25、iveD. the most expensive of them13. The line is than that one. A. more longerB. not long C. much longerD. many more longer14. Shanghai is bigger than city in Japan. A. anyB. any otherC. otherD. the other15. Who did it better, Bill or Henry? I think Bill did just Henry. A. as well asB. as good as C.

26、as better asD. more badly than三、完形填空 The elephants are the largest animals on the land. They are in 16 now. Lots of people are destroying(破坏) the place where they 17 . Most of the places where they live have become farms and houses, they cant get enough places to live in 18 enough food to eat. Sometimes there are 19 elephants in an area and the government