人教版英语八年级下册 Unit 7 What's the highest mountain in the world 语法（原级比较级最高级）知识点与习题

这是一份人教版英语八年级下册 Unit 7 What's the highest mountain in the world 语法（原级比较级最高级）知识点与习题，共3页。
形容词和副词有三个等级：原级、比较级和最高级原级1. 表示两者在某一方面相同 as + 形容词或 副词原形 + as e.g. This dress is as beautiful as that one. Linda sings as well as Amy.2. 表示一方在某一方面不及另一方时 not as / so + 形容词或副词原形 + as e.g. Tom isn’t as / so tall as me. I don’t sing as / so loudly as my sister.3. 原级前可用very，quite，too等副词修饰 e.g. I’m very hungry. My sister runs quite fast. It’s too hot here.比较级1. 标志词：thane.g. I’m more outgoing than you. Tom jumps higher than Jack.2. 用法（表示两者（人或事物）的比较）（1）两者中“谁更……”（2） 特殊疑问词+谓语+比较级，A or B? e.g. Which is better, the red dress or the black dress? Who dances better, you or your sister?（3）much,even,still,rather,any，far，a little, a lot, a bit等词用来修饰比较级。可以加强语气或表示比较程度。（4）the + 比较级 + …… + the +比较级 表示“ 越……，就越……”(5) 形容词的比较级 + and + 形容词的比较级 （前后形容词是同一个） 越来越……eg.She is becoming thinner and thinner.(6)the + 形容词比较级 + of 短语 两者中比较……的一个eg.She is the prettier of the two girls. The bike is the older of the two.eg.The more you eat, the fatter you will be.(7)比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别注意在than或 as 之后不要漏掉可能出现的替代词 that ，those, one ,ones.例如：The weather of Beijing is colder than that of Shanghai..The new building is higher than the old one.Those apples are bigger than these ones.（8）3.表示“A比B大几岁/长几米/高多少/年轻多少/多多少倍”等，用“A＋谓语+数量＋比较级＋than+B ”。eg:I am two years older than my sister.我比我的妹妹大两岁。(9).同一类人或事物在某一范围内进行比较时，常用“主语+谓语+比较级＋than any other＋名词单数” 表示“……比其他任何一个……都……”。eg:Shanghai is bigger than any other city in China. 在中国，上海比其他城市都大。（上海是中国最大的城市。） (10) A＋谓语+less＋多音节形容词或副词原级＋than B，意为“A在某个方面不及B”＝A＋谓语+ not as（so）＋形容词（副词）原级＋as+B。eg:English is less difficult than Chinese.＝English isn’t as（so） difficult as Chinese. 英语不如语文难。练习（1） 吉娜不比蒂娜外向。（2） 我们的国家变得越来越强大了。Our country is becoming _________ _____ _________.（3） 中国和加拿大，哪个国家更大？ Which country is _______，China or Canada? 3.比较级与最高级构成一般在词尾加______ 不发音e结尾的词直接加_____重读辅元辅结尾, 先___最后的辅音字母, 再加____4) 以“辅音字母+ y”结的尾词，先改__为__, 再加___多音节词和部分双音节词在词前加______三.最高级：三个或三个以上的人或物之间 的比较。 标志词：in+大范围, of all, of +the+具体的数字 表示“最……”的意思。（两者以上用最高级） 在形容词的最高级前必须加 the; 副词之前可以不加。1.用法(1)one of+ the+最高级+复数名词eg.The city is one of the most beautiful cities in the world.(2) Which/Who…+ 比较级，A or B? Which/Who…+ 最高级，A ，B or C?eg.Who is older, Jim or Tom ?Who is the tallest, Jim , Mike or Tom（3）在使用形容词最高级时，一定要把自己包括在比较的范围内。eg.Mary is the tallest of all the sisters in the family .（4）序数词后的形容词副词要用最高级，表示“第几最......”但序数词前已有the, 最高级前不再加。eg.The Yellow River is the second longest river in China .（5）当最高级前有物主代词,指示代词，名词所有格等修饰时，其前不加定冠词the.eg.It’s our largest machine in our factory.四．练习1. The twins ______ lovely girls.A. are all B. are both C. both are2. I like drawing and I am good _____ it.A. in B. on C. at3. That box is _______ than others.A. more heavier B. heavy C. much heavier4. She is three years _______ than I am.A. old B. more old C. older5. I think a good friend should make me____.A. laugh B. laughing C. to laugh6. Lucy is very short, but she is ___ than her sister. A. shorter B. longer C. taller D. older 7. Frank is ____ friendly than his brother. A. a little more B. a few more C. much D. a little 8. Sam is ____at Chinese than Jim. A. good B. well C. better D. gooder 9. This one is too large. Can you show me a _____one? A. larger B. large C. small D. smaller 10. Do you think March is ____than January? Yes, it’s __ warmer. better, a little B. well, much C. worse, very D. nicer, quite11. Sam looks like his Dad. They are ______ tall. A. either B. any C. all D. both