Unit 7 SectionA Grammar Focus-3c 课件 2023-2024学年人教版英语八年级上册

Unit 7 What’s the highest mountain in the world? Section A GF-4c What’s the highest mountain in the world? Qomolangma. How high is Qomolangma? It’s 8,848.86 meters high. It’s higher than any other mountain. Grammar Focus 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. 1. Mike is the tallest student in our class. 2. Mike is taller than any other student in our class. 3. Mike is taller than the other students in our class. 4. No student in our class is as tall as Mike. 5. Mike is much taller than ... 6. ... is almost as tall as Mike. He is one of the tallest students in our class. Comparison - Superlative 一、形容词、副词的比较级和最高级 概述： 英语中的形容词和副词常用三种形式来表达事物的等级差别，即原级、比较级和最高级。 比较级主要用于两者之间作比较。 最高级主要用于三者或三者以上进行比较。 规则变化 ①直接加 -er 或 -est tall—_____—______ long—______—______ ②以不发音的字母e结尾的单词直接加 -r 或 -st ③以“辅音字母+y” 结尾，把y变为i，再加 -er 或- est nice—______—______ heavy—________—________ taller tallest longer longest nicer nicest heavier heaviest ④重读闭音节（末尾只有一个辅音字母） 双写辅音字母再加 -er或 -est ⑤部分双音节词和多音节词 分别在原级前加more构成比较级和most构成最高级 big—_______—_______ slowly—___________—___________ beautiful—______________—______________ bigger biggest more slowly most slowly more beautiful most beautiful 原级 比较级 最高级 good / well better best bad worse worst many/much more most little less least old older/elder oldest / eldest far farther (更远)/ further (进一步的) farthest / furthest 不规则变化 Self Check Adjectives Comparatives Superlatives high dangerous long popular 1 Complete the chart. higher more dangerous longer more popular highest most dangerous longest most popular （1）在形容词最高级前通常用the，在副词最高 级前可用the，也可省略。 （2）比较级前常用的修饰语有 far，even，a lot， a bit，much等。 使用比较等级应注意的几点： 不可用very修饰 3 Circle the correct word and/or fill in the blank with the correct from of the word in brackets for each sentence. 1.