六年级下册英语课件－Unit1Howtallareyou？partB人教（PEP）(共29张)

Unit1Howtallareyou?BLet’slearn

Let’sreview

young----younger

old----older

tall----taller

long----longer

short----shortersmallsmallerbigbiggerABthinthinnerheavyheavierstrongstrongerMatchandsay

Mike’s

fishisbiggerthanChenJie’s.

_____fishis_____than_________.形容词比较级

大多数形容词和副词有三个等级：原级,即原形比较级,表示“较……”；“更……”

Grammar一、形容词和副词的比较级最高级，表示“最……”

（一）构成的规则变化:1.一般在词尾加–er。

cold–colderold—older二、形容词的比较级变化形式tall--________7.small--_______2.short--________8.cool--________3.strong--________9.cold--________4.old--________10.warm--_______5.young--________11.deep--_______6.long--________12.light--_______tallershorterstrongerolderyoungerlongersmallercoolercolderwarmerdeeperlighter2.不发音的e结尾，或者指单个e结尾的，直接加-r.

large-largernice-nicerfine-finer3.重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er。

big–biggerthin–thinner4.以“辅音字母+y”结尾的双音节词，先改y为i,再加-er。

easy–easierhappy–happier重读闭音节双写的练习big--_______thin--_______fat--_______hot--______wet--______sad--______biggerthinnerfatterhotterwettersadder去y为i+er的练习heavy--_______funny--_______happy--_______heavierfunnierhappier

5.多音节词和部分双音节词在词前加more。

delicious–moredeliciousinteresting–moreinterestingserious-moreserious

（二）构成的不规则变化:

good/well–betterbad/badly–worsemany/much–morelittle–lessfar–farther/further综合练习tall—funny—large—big—beautiful—good—tallerfunnierlargerbiggermorebeautifulbetter表示两者(人或事物)的比较。

eg.Johnisthinner

than

ZhangPeng.Mydressismorebeautiful

thanhers.三、形容词的比较级的用法fastfaster

Lookatthepicturesandunderstand看图并理解填空题—比较级填空1.Ais10yearsold,Bis11yearsold.—Ais______thanB.Tomis160cm,Lucyis170cm.—Lucyis_______thanTom.Theelephantis893kg,thepigis158kg.—Theelephantis_______thanthepig.youngertallerheavier我们已经初步学了比较级的运用，那么在生活中我们如何运用比较级呢?问年龄：Howoldareyou?问身高：Howtallareyou?问体重:Howheavyareyou?问长短：Howlongisyourleg?问大小：Howbigareyourhands?Howoldareyou?I’m20yearsold.Howtallareyou?I’m150centimeters（tall）.I’m1.50meters（tall）.Howheavyareyou?I’m46kilograms.

1.Jim’sbagis_________thanKate’s.A.biggerB.bigC.biggestD.thebigger2.Myshoesarecheaperthan________.A.youB.yourC.yoursD.yourone

Self-check

Multiplechoices3.Thisclassroomis__________thanthatone.A.manybigB.muchbigC.manybiggerD.muchbigger连词成句shorterYouyourare