Unit 3 Grammar 课件 2022-2023学年沪教牛津版（广州沈阳通用）八年级英语上册

Grammar 2020.09.27 Unit 3 Computers 形容词的比较级和最高级 Compare two famous people Birth: 1990.11.06 Height: 1.87m Weight: 73kg Birth: 1998.08.02 Height: 1.84m Weight: 60kg taller shorter heavier thinner older younger more athletic … Complete the article. The first computers were _________ than cars, but now they are becoming ________ and _________. Computers can calculate at a _________ speed than we can. Computers are not _________ than human beings, but they may be able to do a _________ job than us. In the past, computers were _______ expensive, but now they are much ________. cheaper cleverer faster smaller bigger more Grammar A The comparative of adjectives P39 When we compare two people or things, we can use the comparative of adjectives. better better We often use _____________________ before the comparative of adjectives. much/ even/ far/ a little -er more than more expensive lighter Complete the conversation below and on page 40 with the comparative of the adjectives from the box. heavier smaller bigger Who is the oldest and who is the youngest? Height: Weight: Hair: Character: Kris Wu is the oldest and Karry Wang is the youngest. KUN is the shortest and Kris Wu is the tallest. Karry Wang is the thinnest and Kris Wu is the heaviest. KUN has the longest hair and Kris Wu has the shortest hair. I think … is the most athletic(强壮) / handsome. Birth: 1990.11.06 Height: 1.87m Weight: 73kg Birth: 1998.08.02 Height: 1.84m Weight: 60kg Birth: 1999.09.21 Height: 1.86m Weight: 58kg The red laptop is _______________among/of the three. When we compare more than two people or things, we use the superlative of adjectives. Grammar B The superlative of adjectives the smallest The red laptop is the smallest among/of the three, but it is ___________________. How do we form the superlative of adjectives? the most expensive -est most the 形容词比较级、最高级的构成 A: cheap short quick thick light cool warm quiet wild calm 最高级： the -- est 比