(
课件网) 外研版英语7年级下册培优精做课件授课教师：Home .班级：7年级（*）班.时间：.Lesson 2 GrammarUnit 5 Amazing natureWatch and Say Watch the video. What words are repeatedly said small smaller smallest big bigger biggest 原级 比较级 最高级 原级用来描述一个/类人或事物，不表示比较；比较级表示两个/类人或事物之间的比较；最高级表示三个/类或以上人或事物之间的比较。 comparatives superlatives (a) It is famous for the world’s highest mountain. (b) But this area is also full of the most amazing colours in nature. (c) The plateau is quieter than the big cities. Read the sentences from the reading passage and summarise the grammar rules. Now find more sentences with these structures in the reading passage. superlative forms comparative form E.g. We have fewer restaurant and shops. In my heart, it’s better than any other place. I’m proud to say that I’m from one of the most beautiful places in the world. comparative forms superlative form 返回 一、从方框中选择适当的词并用其正确形式填空 1. Many visitors travel to Guilin because of its fantastic _____. 2. Our teacher gave us a _____ to hiking last week. common, landscape, guide, design, local landscape guide 3. The room looks beautiful because the _____ used bright colours. 4. Such cold weather is _____ in January in Beijing. 5. We went to the museum and saw some old _____ tools. designer common local common, landscape, guide, design, local 返回 The plateau is quieter than the big cities. In my heart, it’s better than any other place. 从例句中可以看出，在对两者进行比较时，形容词（或副词）要用比较级形式，即“形容词(或副词）比较级+than+比较的对象”。 E.g. Summer is a hotter season than spring. Tim is a taller boy than my son. It is famous for the world’s highest mountain. I’m proud to say that I’m from one of the most beautiful places in the world. 我们要将三个或三个以上的事物进行比较时，要用形容词（或副词）的最高级形式来表达，即“the+形容词（或副词）的最高级+比较的范围”。 E.g. He is the tallest in our class. She lives (the) closest to school of all my classmates. Tip： 形容词最高级前一定要加the，副词最高级前的the可省略。 形容词和副词的比较级的变化规则 形容词和副词的比较级变化有一定规律，分为规则变化和不规则变化两种，并且形容词和副词变化规律大致相同。 形容词比较级规则变化 副词比较级规则变化 有些形容词和副词不规则的比较级形式： 形容词和副词最高级的规则变化 常见形容词和副词最高级不规则变化： Complete the facts about wonders in China. The Yellow River: 5,464 km The Yangtze River: 6,300 km Mount Taishan: 1,532.7m Mount Emei: 3,079.3m Mount Qomolangma: 8,848.86 m The Yellow River is than the Yangtze River. Mount Taishan is high. Mount Emei is . Mount Qomolangma is the . shorter higher highest Which fact interests you the most In Zhejiang province, there’s a famous natural wonder with amazing tides（潮水）. Do you know what it is Qiantang River Tides Complete the passage with the correct form of the words in brackets. The Qiantang River is 1._____(shor ... ...
