Unit 1 Friends Grammar 课件 -牛津译林版英语八年级上册.pptx

8AUnit 1 Friends GrammarComparative adjectivesWe use comparative+_to compare(对比)_ people or things.thantwoA.Comparatives(比较级)比较级用于比较比较级用于比较 _人人/事物事物;比较级后通常出现比较级后通常出现”_”.较较更更.一些一些比比更更e.g.Simon is taller than Sandy.两个两个thanSuperlative adjectivesWe use the+superlative to compare(对比)_ or more people or things.three常用常用of/among /in 与形容词最高与形容词最高级连用。级连用。B.Superlatives(最高级最高级)最高级通常用语比较最高级通常用语比较_ 人人/事事物物;最高级前要用最高级前要用_或或_连接连接最最Peter is the tallest of/among(在在之中之中)the six students.Peter is the best runner in our class.Peter is the strongest among all the students.Peter is his oldest son.三个或三个以上三个或三个以上theonesWe form comparative adjectives like this（形容词比较级的变化规则）1.tall-taller 2.cute-cuter 3.heavy-heavier4.slim-slimmer 5.humorous-more humorous 6.good-better bad-worse 1.大部分大部分+er 2.不发音字母不发音字母e结结尾尾+r3.辅音辅音+Y 结尾结尾 将将Y变变i+er4.重读闭音节重读闭音节双双写尾字母写尾字母+er5.长单词，前长单词，前+more6.不规则特殊记不规则特殊记 We form superlative adjectives like this（形容词最高级的变化规则）1.tall-tallest 2.cute-cutest 3.heavy-heaviest4.thin-thinnest 5.humorous-the most humurous 6.good-best1.大部分大部分+est 2.不发音字母不发音字母e结结尾尾+st3.辅音辅音+Y 将将Y变变i+est4.重读闭音节双重读闭音节双写尾字母写尾字母+est5.长单词，前长单词，前+the most6.不规则特殊记不规则特殊记 AdjectiveComparativeSuperlativecleancleanercleanestbigcuteshorthappylazybiggerbiggestcutestcutershortershortesthappierhappiestlazierlaziestAdjectiveComparativeSuperlativethinthinnerthinnestsaddifficultinterestinggoodbad better bestworse worstsaddersaddestmore difficultmost difficultmore interestingmost interesting不规则变法good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastfarfarther（更远（更远的）的）farthestfurther（进一（进一步的）步的）furthestoldolder/elderoldest/eldestShow timeTalk about your friends 1.Talk about your best friends with comparative and superlative adjectives(形容词的比较级和最高级）2.You can introduce each other.Or you can also ask the whole class to guess who he/she is.Show timeTalk about your friends My best friend is.He/She is.than I.(look，personalities，study.).I have three best firends.They are.Among us,./.in my class/of all.Some words you can use:tall/short;heavy/light;clever/careful;big/small;Strong/thin;pretty/cute;strong/thin.kind/funny/humourous/generous/handsome/lazy/helpful;good/better/best;bad/worse/worst.HomeworkWrite down something about your friends Write down something about your best friends with comparative and superlative adjectives(形容词的比较级形容词的比较级和最高级）和最高级）adj./adv.比较级用法比较级用法1.表一方表一方超过超过另一方用另一方用“比较级比较级+than”The picture is more beautiful than that one.2.Which.+比较级，比较级，.or.?表示表示“在两者中选择？在两者中选择？”is ，the sun the moon?Whichbiggeroradj./adv.比较级用法比较级用法3.在比较级前可用在比较级前可用 much,even,a little,a lot,far等词来表示程度等词来表示程度Now the air in our hometown is _ than it was before.A.much better B.more worse C.more better D.much worste.g.He ran even _ (happy)at that time.e.g.Which city is_,Sally,Shanghai or Fuzhou?A.beautiful B.much beautiful C.much more beautiful D.the most beautifulmore happilyadj./adv.比较级用法比较级用法4.表本身程度变化表本身程度变化(越来越越来越):比较级比较级+and+比较级比较级eg.1)他的鞋子越来越脏。他的鞋子越来越脏。2)衣服越来越贵。衣服越来越贵。3)她们跳得越来越美。她们跳得越来越美。His shoes are dirtier and dirtier.more+and more+原级原级 只用于以只用于以“moremore”构成比构成比较级的词较级的词Clothes are more and more expensive.They dance more and more beautifully.“the+比较级比较级(+主主+谓谓),the+比较级比较级(+主主+谓谓),5.表一方随另一方变化而变化表一方随另一方变化而变化(越越,越越):e.g.1)越高越坏。越高越坏。2)越晚越危险。越晚越危险。The higher,the worse.The later,the more dangerous.adj./adv.比较级用法比较级用法6.“the+比较级比较级+of 两者两者”表示表示“在两者中较在两者中较”Lily is _ (short)of the two girls.the shorter_ of the two girls is Lucy.A.The prettier B.PrettierC.Prettiest D.The prettiestA7.为免重复，为免重复，在在than后常用后常用one(s),that,those等词来替代前面提到过的名词。等词来替代前面提到过的名词。eg.The weather there is better than _ in Nanjing.A.one B.it C.that D.thoseadj./adv.比较级用法比较级用法8.同义句：同义句：比较级比较级+than any other+单数名词单数名词 =比较级比较级+than the other+复数名词复数名词 =最高级最高级+范围范围eg.Spring is the best season of the year.=Spring is better _ _ _ season of the year.=Spring is better _ _ _ seasons of the year.thananyotherthantheotheradj./adv.比较级用法比较级用法 9.Beijing is larger than any other city in China.Beijing is larger than any city in Jiangsu.注意：比和被比的人或物不在注意：比和被比的人或物不在同一范围内或不属于同一类别，同一范围内或不属于同一类别，不能用不能用otherother。1.Kitty is taller than any other girl in Class 2.2.Betty is taller than any girl in Class 2.Who is in Class 2?3.Beijing has more population(人口)than _ city in America.any1.形容词性物主代词形容词性物主代词+最高级最高级最最.Peter is his oldest son.adj./adv.最高级用法最高级用法 2.the+最高级最高级+比较范围比较范围表示在某一范围内表示在某一范围内“最最.”I am the tallest of/among the three.Russia is the largest country in the world.eg.The Yellow River is shorter thanYangtze River,but longer than the other rivers in China.=is _ _ _ river in China.adj./adv.最高级用法最高级用法3.the second/third/fourth+最高级最高级表示表示“第几第几”eg.Millie is the third _(tall)in her class.tallestthesecond longestadj./adv.最高级用法最高级用法4.one of+the+最高级最高级+复数复数名词名词表示表示“最最之一之一”eg.The hair clip is one of _(pretty)among those ones.He was one of _(fast)_(swim)of all.the prettiestthe fastestswimmers