英语_八上第一单元第四课_课件.pptx

八上 Unit1 Friends Grammar八年级英语名师课程 Tokyo 2020 Olympic Games八年级英语名师课程 It is harder to be Olympic athletes.It is hard to be a good athlete.It is the hardest thing to get medals.Comparative and superlative adjectivesThey are all the best athletes. They are my greatest heroes!八年级英语名师课程 Fan Zhendong is shorter than Ma Long.Ma Long is taller than Fan Zhendong.Xu Xin is the tallest among them.With short adjectives, we add -er to make comparatives and –est to make superlatives.八年级英语名师课程 With longer adjectives, we use more to make comparatives and most to form superlatives. Which do you think is more difficult to learn, playing badminton or table tennis?八年级英语名师课程 A plane is faster than a train. We use comparatives+ than to compare two people or things.八年级英语名师课程 We use comparatives+ than to compare two people or things.A lion is probably more dangerous than a mouse.八年级英语名师课程 Max has the longest legs among us six. We use the + superlatives to compare three or more people or things.Max is the most handsome boy in our class.八年级英语名师课程 We form comparative and superlative adjectives in different ways:With short adjectives we add –er and –est dark darker darkestWith short adjectives ending in a consonant+ –y we remove the –y and add –ier and –iest. heavy heavier heaviestWith short adjectives ending in a vowel + a consonant we double the consonant. hot hotter hottestWith longer adjectives we use more and mostexpensive more expensive most expensive八年级英语名师课程 thinnerthinnestshortershortestsaddersaddestcutercutestmore difficultmost difficulthappierhappiestmore interestingmost interestinglazierlaziestbetterbestbiggerbiggestworseworstComplete the following table.A八年级英语名师课程 The adjectives good and bad have irregular comparatives and superlatives. Dreams are powerful and they can drive you to work harder and become ______ than before. A. good B. well C. better D. best八年级英语名师课程 Choose the most suitable answers. 1. His pencil case is (