Unit 4 Grammar 课件 2023-2024学年沪教牛津版英语八年级上册

Unit 3 Computers Grammar expensive ---eldest ---elder ---oldest ---older old ---biggest ---bigger big ---healthiest ---healthier healthy ---easiest ---easier easy ---least ---less little ---largest ---larger large ---lightest ---lighter light --- most expensive ---more expensive --- most valuable --- more valuable valuable ---dirtiest ---dirtier dirty ---smallest ---smaller small ---heaviest ---heavier heavy ---most useful ---more useful useful ---hottest ---hotter hot ---finest ---finer fine ---cheapest ---cheaper cheap Grammar ▲good, bad 和 far 的比较级和最高级 例如： What is the best season in your hometown? 你家乡最好的季节是什么？ I am not good at Maths, but Jack is worse than me. 我不擅长数学，但是杰克比我更差。 My home is farther from school than Mark’s. 我家比迈克家离学校远。 【注意】 farther 和 further 的区别 farther 和 further 都可以表示距离、时间上的“更远；更往前”，但表 示“进一步”只能用 __________。 例如：If there are any further changes, I’ll call you. 如果有进一步的变化，我会给你打电话。 further 【拓展】 更多形容词、副词的不规则比较级形式和最高级形式 【注意】 a.elder 和 eldest 可以用来代替 older 和 oldest，表示家庭成员出生的 先后顺序。它们只能用在名词前，作 __________。 例如：My elder sister is two years older than me, and she works in Beijing. 我姐姐比我大两岁，她在北京工作。 定语 b.如果某人只有一个哥哥或姐姐，用 elder brother / sister 表示；如果有 更多的兄弟姐妹，用 __________ 表示最年长的哥哥或姐姐。 例如：His eldest brother is a doctor. 他大哥是一名医生。 eldest I.用括号内所给词的适当形式填空。 1.Look at your paper! You did ___________ (badly) of all the students． 2.Tom’s home is _____________ (far) from his company in his group. worst 跟踪练习 the farthest 3. My sister is three years _________ (old) than Richard. 4. He has __________ (much) homework to do than I do today. 5. This is __________ (good) book I have ever read in the library. older more the best Adjectives Comparative forms Superlative forms many/much more the most little less the least few fewer the fewest But remember: With light bulbs, people can do ______ things than before at night. Oil lamps produce ______ light than light bulbs. Carriages carry ______ passengers than trains. Light bulb