(
课件网) 英语新目标 八年级下 Section A Grammar Focus-4c — What’s the highest mountain in the world? — Qomolangma. — How high is Qomolangma? — It’s 8,844.43 meters high. It’s higher than any other mountain. Read the sentences below. — Which is the deepest salt lake in the world? — The Caspian Sea is the deepest of all the salt lakes. — Did you know that China is one of the oldest countries in the world? — Yes, I did. It’s much older than the US. 英语表示“有多长（宽，高…）”时，一般将数词和数量单位放在表示长、宽、高的形容词前作状语。 Grammar (Ⅰ) 1. The basketball player is two meters tall. 2. The river is only two meters deep/wide. 3. The tree is two meters tall. 4. The box is about two meters high /wide / long. 5. The river is about two kilometers long. 6. The mountain is about two thousand meters high. It is ... long / wide / high. = It is ... in length / width / height. The desk is three meters long / wide / high. The desk is three meters in length / width / height. 知识拓展 长安街大约 10 公里长, 60 米宽。 Chang’an?Street?is?about?10?kilometers?_____?and?60? meters?_____.? =Chang’an?Street?is?about?10?kilometers?in_____?and? 60?meters?in _____. long wide length width The bag is ... long, … wide and … high. = The bag is ... in length, … in width and … in height. The car is ... meters long, … meters wide and … meters high. = The car is ... meters in length, … meters in width and … meters in height. nice—nicer—nicest Describe the pictures below. Jim-- young Kate-- younger baby-- youngest young—younger—youngest heavy heavy--heavier-- heaviest lovely lovely -- more lovely -- most lovely 形容词和副词的比较级和最高级 大多数形容词有三个级。 原级: 常用结构as ... as ... 像……一样 Zhang Hong is as tall as Tom. 张红和汤姆一样高。 2) 比较级 (用于两者之间的比较) 常用结构：形容词比较级＋than ... He is taller than I. 他比我高。 Grammar (Ⅱ) 3) 最高级(用于三者或三者以上的比较), 常用结构: the + 形容词的最高级＋of / in ... He is the tallest of the three. 他是这三个人中最高的。 He is the funniest in his class. 他是他们班最有趣的。 2. 形容词、副词比较级和最高级规则变化和不规则变化。 规则变化 一般情况下，单音节或双音节的形容词（或副词） 比较级＋er ， 最高级＋est 如： clever－cleverer－cleverest few－fewer－fewest small－smaller－smallest等。 2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如: nice－nicer－nicest cute－cuter－cutest large－larger－largest 3) 以辅音字母＋y结尾的变y为i＋er或est 如: easy－easier－easiest happy－happier－happiest 再如：early, busy, heavy, dirty, lazy也如此。 4) 双写最后一个辅音字母＋er 或 est的词,同学要用心去记。 fat－fatter－fattest thin－thinner－thinnest hot－hotter－hottest red－redder－reddest wet－wetter－wettest big－bigger－biggest 5) 多音节和部分双音节的词需要在形容词 原级前＋more构成比较级、 原级前＋the most构成最高级。 如： beautiful － more beautiful － the most beautiful 又如: delicious, popular, important, interesting, expensive, creative等 双 ... ...
