新目标英语八年级上Unit3Grammar-Focus.ppt

Unit 3 Im more outgoing than my sister.Section A Gramar Focus-3c形容词形容词 adj.He is tall.He is a tall man.tall adj.short adj.long adj.short adj.thin adj.fat adj.heavy adj.高的高的矮的，短的矮的，短的长的长的短的短的瘦的，薄的瘦的，薄的肥胖的肥胖的重的，胖的重的，胖的形容词和副词的比较级和最高级。形容词和副词的比较级和最高级。大多数形容词和副词有三个等级：大多数形容词和副词有三个等级：原级、比较级、最高级。原级、比较级、最高级。一、构成一、构成Grammar Focus1.1.构成的不规则变化构成的不规则变化:eg.good/well better best bad/badly worse worst many/much more most little less least far farther/further farthest/furthest2.构成的规则变化构成的规则变化:1)单音节词和少数双音节词单音节词和少数双音节词 一般在词尾后加一般在词尾后加-er 或或-est.如：如：cold colder coldest nice nicer nicest2)重读闭音节词末尾只有一个辅音字母重读闭音节词末尾只有一个辅音字母时时,先双写这个辅音字母先双写这个辅音字母,再加再加-er或或-est。如如:big bigger biggest thin thinner thinnest 3)以以“辅音字母辅音字母+y”结尾的双音节词，结尾的双音节词，先改先改y为为i,再加再加-er或或-est。如：。如：easy easier easiest happy happier happiest4)多音节词和部分双音节词在词多音节词和部分双音节词在词前加前加more或或most。如：。如：delicious more delicious most delicious interesting more interesting most interesting二、用法二、用法1.比较级表示两者比较级表示两者(人或事物人或事物)的比较。的比较。eg.I am taller than Tom.My dress is more beautiful than hers.2.2.最高级最高级表示三者或三者以上表示三者或三者以上(人或人或事物事物)的比较的比较,其中有一个在某一方面其中有一个在某一方面超过其他几个时超过其他几个时,用最高级。最高级用最高级。最高级的前面一般要加定冠词的前面一般要加定冠词 the,后面可后面可带带 of(in)短语来说明比较的短语来说明比较的范围。范围。如：如：She is the youngest in the class.Jason is the tallest of the three.Whose handwriting is the best of all?3.在形容词比较级前还可用在形容词比较级前还可用much,even,still,a little来修饰来修饰,表示表示“的多的多”,“甚至甚至”,“更更”,“一些一些”。如：。如：This city is much more beautiful than before.Shes a little more outgoing than me.Its a little colder today.4.“比较级比较级and比较级比较级”意为意为“越来越来越越”。多音节比较级用。多音节比较级用“more and more形容词原级形容词原级”形式。如：形式。如：Its getting worse and worse.The group became more and more popular.5.“Which/Who is+比较级比较级？”比较比较A、B两事物两事物,问其中哪一个较问其中哪一个较时时用此句型。如：用此句型。如：Which T-shirt is nicer,this one or that one?Who is more active,Mary or Kate?Which one is more popular among students,going to concerts or going to movies?6.6.6.6.使用形容词比较级时需注意以下几点：使用形容词比较级时需注意以下几点：使用形容词比较级时需注意以下几点：使用形容词比较级时需注意以下几点：1)than后面接代词时后面接代词时,一般要用主格形式，一般要用主格形式，但在口语中也可使用宾格形式。但在口语中也可使用宾格形式。如：如：My brother is taller than I/me.2)当需要表示一方超过另一方的程度时，当需要表示一方超过另一方的程度时，可以用可以用much,a lot,a little,a bit,even,still等来修饰形容词比较级。注意等来修饰形容词比较级。注意:比较级不比较级不能用能用very,so,too,quite等修饰。如：等修饰。如：He is much more serious than Sam.3)形容词比较级后面往往用连词形容词比较级后面往往用连词than连接连接另一个比较的人或事物另一个比较的人或事物,但在上下文明确但在上下文明确的情况下的情况下,形容词比较级可单独使用。如：形容词比较级可单独使用。如：My sister is tall,but my aunt is taller.我姐姐个子高我姐姐个子高,但我姑姑个子更高。但我姑姑个子更高。outgoingtwincalmwildserious smartathleticnotemean孪生的孪生的;双胎的双胎的镇静的镇静的;无忧虑的无忧虑的表示表示的意思的意思严肃的严肃的;严重的严重的卤莽的卤莽的;轻率的轻率的友好的友好的;直爽的直爽的聪明的聪明的;伶俐的伶俐的;机敏机敏的的注释注释;说明说明体格健美的体格健美的;强健的强健的 Match the words.Exercise一、词汇一、词汇1.Im tall but my sister is _(short).2.My mother has long hair,and my sister has _(long)hair.3.This little baby is _ (outgoing)than that one.shorterlongermore outgoing 4.In some ways we look the same,in some ways we look _(不同不同).5.Ann is a very _(安静的安静的)girl,she hardly makes noise.differentquiet1.The twins _ lovely girls.A.are allB.are bothC.both are2.I like drawing and I am good _ it.A.in B.on C.at3.That boxer is _ than others.A.more athleticB.athleticerC.much athletic二、单项选择二、单项选择B C A 4.She is three years _ than I am.A.oldB.more oldC.older5.I think a good friend should make me _.A.laughB.laughingC.to laughC A6.-Which of the caps will you take -Ill take _.one for my father the other for my brother.A.neither B.both C.all 7.Sam looks like his Dad.They are _ tall.A.either B.any C.all D.both BD8.There are many tall buildings on _ sides of the street.A.either B.all C.both 9._Lily _ Lucy may go with you because one of them must stay at home.A.Not,but B.Neither,nor C.Both,and D.Either,or CCHomework 1.Make an adjective word list including all the adjective words you know.2.Write a short passage to compare you and your best friend.Bye-byeBye-bye