Unit 4 Inventions-2026-2027学年八年级英语上册语法专项（沪教版）

U4 Inventions 语法专项 章 语法概览 ★good/bad/far比较等级；原级比较not as..as 章 语法精讲精练一 1.形容词比较等级规则简介 原级：表示性质或状态，无比较。 比较级：两者比较，表示“更…”。 最高级：三者及以上比较，表示“最…” 规则变化：单音节词加-er/-est;多音节词加more/most。 重点：少数常用形容词的比较级和最高级不规则，需单独记忆。 2.三大特殊形容词变形（中考核心） 原级 比较级 最高级 用法说明 good修饰名词；wel作形 good/well better best 容词时指“身体好” bad badly bad修饰名词；badly修饰 worse worst i训 动词；l常作表语 farther/farthest指具体距 far farther/further farthest furthest 离；further/furthest指抽 象程度（进一步、最深） 易错点： ①well作形容词时比较级也是better(如：I feel much better today.) ②l的比较级是worse(（不说ler),最高级worst。. ③further还可作动词或副词，表示“进一步”，如：further study(深造)。 3.原级比较结构：as+形容词原级+as/not as..as 肯定形式：as+adj.+as(与一样) 例：Tom is as tall as his brother.(汤姆和他哥哥一样高。) 否定形式：not as/so+adj.+as(不如…) 例：This book is not as interesting as that one.(这本书不如那本有趣。) 考点：not so.…as可替换not as.…as,但not as..as更常用。 注意：as..as中间必须用形容词原级，不能用比较级或最高级。 错例：He is as taller as me.(×) 4.特殊比较结构（补充，中考常考） he+比较级，he+比较级：越…，越… 例：The more you read,the better you will understand.(你读得越多，理解得越好。) 比较级+and+比较级：越来越… 例：The weather is getting worse and worse.（天气越来越糟。) one of the+最高级+复数名词：最…之 例：She is one of the best students in our class. 二、专项训练（中考/名校难度，810题/大题，共3大题） (一)单项选择 1.-Which is the football match or the basketball game?-The basketball game.I think it's more exciting. A.good B.better C.best D.well 2.This year's summer holiday is than last year's.I can't wait A.long B.longer C.longest D.the longest 3.Of all the subjects,I like English A.good B.well C.better D.best 4.He did in the exam this time.He made fewer mistakes. A.badly B.worse C.worst D.bad 5.The train station is from my home than the bus station.I need to take a taxi. A.far B.farther C.farthest D.further 6.This dress is not as that one,but it's more comfortable. A.so expensive B.expensive C.more expensive D.most expensive 7.-Is her spoken English than yours? A.good B.better C.best D.well 8.The weather in Shanghai is than that in Beijing in winter. A.warm B.warmer C.warmest D.the warmer 9.He is one of doctors in the hospital.Everyone trusts him. A.good B.better C.best D.the best 10.-Can you tell me the way to the museum? A.enough friendly B.friendly enough C.so friendly D.too fiiendly (二)语法填空 阅读下面短文，在空白处填入括号内所给单词的适当形式，使短文通顺、完整。 Tom and Tim are twin brothers.They look similar,but they have different hobbies.Tom runs 1 (fast)than Tim.He is the 2. (fast)runner in their class.Tim is 3 (good)at drawing than Tom.He draws pictures 4. (beautiful)than anyone else.Last week,they took part in a sports meeting.Tom got the 5. (far)jump of all.Tim was not as 6. (strong)as Tom. but he tried his 7. (good)in the relay race.Their mother said,"You both did 8 (well) than last year.I'm proud of you." This year,Tom wants to become even 9 (strong).He practices every day.Tim,however,wants to go 10. (far)in his art study.He hopes to learn more skills. (三)完成句子 1.这本书不如那本书有趣。This book is that one 2.他是我们班最好的学生之一。Hes the in our class. 3.天气越来越差。The weather is getting 4.你学得越努力，成绩就会越好。 you study. your grades will be. 5.这条河有那条河的两倍宽吗？Is this river that one? 6.他跑得比以前快多了。Hems before. 7.在所有科目中，我最喜欢英语。I like English all subjects. 8.这部电影不如那部感人。This movie is that one. 9.她是我们学校最受欢迎的老师。She is teacher in our school 10.我的自行车和汤姆的一样新。My bike is Tom's. 三、参考答案 (一)单项 1.B;2.B;3.D;4.B;5.B;6.A;7.B;8.B;9.D;10.B 选择 (二)语法 1.faster 2.fastest 3.better 4.more beautifully 5.farthest 6.strong 7.best; 填空 8.better 9.stronger 10.further 1.not as interesting as 2.one of the best students 3.worse and worse ;4.The harder; (三)完成 the better 5.twice as wide as 6.much faster than 7.best among ;8.not as moving 句子 as 9.the most popular 10.as new as