Unit 4语法特殊形式的比较等级2024-2025学年牛津深圳版（广州沈阳通用）八年级英语上册

Unit 4 Inventions语法部分 一些特殊形式的比较等级 一、good, bad和far的比较级和最高级构成及用法 ①构成 原级 比较级 最高级 good better best bad worse worst far farther/further farthest/furthest ②辨析: farther 与 further farther 可指距离或时间上“更远的(地)” further 可指距离或时间上“更远的(地)”，与 farther可互换 指程度上“更进一步,更深远”,此时不能与 farther 互换 如：Don't go any farther/further.不要再往远处走了。 The homeless children need further help.这些无家可归的孩子需要进一步的帮助。 随堂练习 1.一What do you think of the band's performance? 一It could be _________________. I think they're feeling very nervous. A.good B.better C.bad D.worse 2.一How is your father feeling today? 一Much _________________. He can't go to work today. A. bad B. worse C. better D.good 3.一What do you think of the dress? 一Wonderful. I don't think I can find a ________________ one. A.good B. better C.bad D.worst 4.Which is_________________, an elephant or a tiger? A. heavy B. heavier C.heaviest D.the heaviest 5. Tom’s home is _________________ from school in our class. A.far B. farther C. further D.the farthest 二、( not )as...as 结构及用法 1.“as +形容词/副词原级+as...”意为“与……一样……”,表示同级比较。在否定中,第一个as 也可换成so。 ①表示A与B在某一方面程度相同时，其结构是“as+形容词/副词原级+as”。 如：English is as interesting as Chinese.英语和汉语一样有趣。 ②表示A与B在某一方面程度不同时，其结构是“ not as/so+形容词/副词原级+as ”,意为“不如……”。 如：The book isn't as/so good as that one.这本书不如那本好。 ③若涉及数量或程度,可用“(not) as many +可数名词复数+as...”或“(not) as much +不可数名词+ as...”结构来比较。 如：He has as many clothes as his elder brother.他有和他哥哥一样多的衣服。 I don't spend as much time on the computer as he.我不如他在电脑上花的时间多。 ④“as +形容词+a/an+单数可数名词+as”意为“和……一样的一个……” 如：She is as good a teacher as her mother.她是一位和她母亲一样的好老师。 ⑤表示两者之间的倍数或分数关系时，可用“倍数/分数+as +形容词/副词原级+as”这一结构。 如：The river is twice as long as that one.这条河是那条的两倍长。 注意：(1)as long as只要 如：You can use my room as long as you keep it clean.你可以使用我的房间，只要你能保持清洁就行。 (2)as soon as一...就...（引导的时间状语从句遵循主将从现原则） 如：I will tell him the news as soon as he comes back.他一回来，我就告诉他这个消息。 随堂练习 (  )1. Your room is______ large as mine. A.such       B. so       C. very       D. as (  )2. Alice works as ______ as she plays． A. happy      B.happily      C. happier       D. happiest (  )3. I can’t run ____ my brother. A. faster as     B. as good as   C. as fast as       D. as better as (  )4. The more I think about him, the more reasons I find for loving him ____ I did. A. as much as        B. as long as   C. as soon as       D. as far as (  )5. Our neighbor has _____ ours. A. as a big house as         B. as big a house as      C. the same big house as D. a house the same big as (  )6. You must speak English as ____ as possible. A. good           B. well            C. much           D. many (  )7. I don't want as ____ as this. A. expensive a car     B. a expensive car   C. an expensive car   D.  a car expensive (  )8. Do you believe some dogs can do things______ man? A. as soon as   B. as good as C. as well as    D. as careful as (  )9. The tree is ______ the building. A. as tall as         B. so tall as C. very well as  D. so careful as (  )10. You’ve made ______ as I have. A. very many mistakes  B. so many mistakes C.as much mistakes    D. as many mistakes (  )11. I have got ______ as you thought. A. as much money   B. so many money C.very many money  D. as many money (  )12. Every day Tom is ______ as his brother. A. as happy     B. as happily   C.so happy     D. so happily (   )13. Every day Tom works ______ as his brother. A. as happy    B.as happily   C.so happy    D. so happily (  )14. What a table! I’ve never seen such a thing before. It is _____ it is long. A. half not as wide as  B. wide not as half as C.not half as wide as  D. as wide as not half (  )15.I will stay with you as ____ as there is a room free. A.well      B.good       C. far       D.long 1-5 DBCAB  6-10 CACAD  11-15 AABCD 用括号中所给单词的适当形式完成句子。 1. This dictionary is not as ______ (use)as you. 2. The red coat is as_______(long) as the blue one. 3. Mike does his homework as________(careful) as Mark. 4. They don't get up as________(early) as We. 5. This rope is _______(two) as long as that one. 6. He is as old as ______(she) is. 7. Your room is as large as ______(me). 8. It's raining as ______(heavy) today as yesterday. 9.He speaks English as ______(good) as a native speaker. 1. useful 2. long 3. carefully 4. early 5. twice 6. she 7. mine 8. heavily 9. well 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$