2026春仁爱版英语八年级下册U9-LB-Grammar (p46-47)课件

2026.06.15•了解不同地区的自然灾害（如沙尘暴、飓风），增强防灾意识。•通过游戏、小组合作等活动，提升自主学习和合作学习的主动性。•学会利用构词法（复合词）和语境推测词义，掌握有效的词汇学习策略。•掌握复合词的构成规则并能正确使用。•理解并运用副词比较级和最高级描述自然灾害中的行为或现象。•通过对比不同灾害的影响程度，培养比较、分析和归纳的逻辑思维能力。•在讨论灾害应对策略时，发展批判性思维和问题解决能力。snowmansnow+man=snowmanfoot+ball=footballschoolbag=schoolbag定义：把两个或多个简单单词拼在一起，变成一个新词，就叫合成词。snow+man=snowmanfoot+ball=footballschool+bag=schoolbag•Compoundwords合成词Asnowstormisastormwithstrongwindsandalotofsnow.storm/stɔːrm/n.暴风雨snow+storm=snowstormAthunderstormisastormwiththunderandlightning./ˈlaɪtnɪŋ/n.闪电/ˈθʌndə(r)/n.雷thunder+storm=thunderstormearth+quake=earthquakeAnearthquakeisaquakeofthesurfaceoftheearth.quake/kweɪk/n.震动outside外面（out+side）

underground地下（under+ground）一、合成名词（最多、最常用）①

名词+名词classroom教室（class+room）

schoolbag书包（school+bag）②

动词+名词playground操场（play+ground）

washroom洗手间（wash+room）③

形容词+名词blackboard黑板（black+board）greenhouse温室（green+house）④

副词/介词+名词somewhere某地everyone每人everything一切二、合成形容词（考试必考点）①

形容词+名词-edwarm-hearted热心的②

名词+动词-ingEnglish-speaking说英语的③

数词+名词（单数）✅afive-year-oldboy一个五岁的男孩❌afive-years-oldboy（错！名词必须单数）三、合成副词/代词（简单记）homeworkschoolbusbookshopplaygroundpasswordskateboardflashlightsandstormsupermarketaftershock•fightagainst与…斗争（草地）（沙尘暴）（农田）（全世界范围的）•takeactiontodosth.采取行动做……grass+land=grasslandsand+storm=sandstormfarm+land=farmlandworld+wide=worldwideItkilled2698people.It’sserious.形容词原级Itkilledabout60,000people.It’smore

seriousthanYushuearthquake.形容词比较级Itkilledabout242,000people.It’s

themostseriousofthethree.形容词最高级

此处early为副词/prɪˈvenʃn/n.预防early→earlier此处best为副词/pərˈfɔːrm/v.表演well→better→best其实跟形容词的比较级最高级是差不多的。5.比较级在词前加_________

最高级在词前加_________单音节和部分双音节fast/faster/fastest1.一般直接加________late/later/latest2.以不发音的e结尾的单词，只加_____hot/hotter/hottest3.重读闭音节末尾只有一个辅音字母的单

词，______________________early/earlier/earliest4.以辅音字母加y结尾的单词，变y

为_____再加_________多音节和部分双音节easily/moreeasily/mosteasilyer/estr/st双写后再加er/estier/estmoremost改直去双表程度far—further—furthestgood/well—better—bestbad/badly—worse—worstmany/much—more—mostlittle—less—least年纪大的old—older—oldest较年长的old—elder—eldest距离远far—farther—farthestclosehappyfewslowlyquicklyhotbusybeautifullyfastlatebigmorecarefully(the)mostcarefullyfarther(the)farthest注意：副词最高级前的the可以省略。1.我的头发和她的一样长。_____________________________________________2.他跑得和他哥哥一样快。_____________________________________________3.你做作业和他一样仔细。_____________________________________________4.你做作业不如他那样仔细。___________________________________________5.她唱歌不如你好。___________________________________________________•as+原级+as和…一样•not+as/so+原级+as不如…My

hair

is

as

long

as

hers.​He

runs

as

fast

as

his

brother.​You

do

homework

as

carefully

as

he.​You

don’t

do

homework

as/so

carefully

as

he.​She

doesn’t

sing

as/so

well

as

you.​1.比较级+than...（两者相比）李明游泳比王浩快。__________________________________他学习比以前努力。__________________________________注意：修饰比较级（much/even/alittle可修饰）李明游泳比王浩快一点。_____________________________________________他学习比以前努力得多。_____________________________________________Li

Ming

swims

faster

than

Wang

Hao.​He

works

harder

than

before.​Li

Ming

swims

a

little

faster

than

Wang

Hao.​He

works

much

harder

than

before.​他跑得比班里其他任何学生都快。_________________________________________________=________________________________________________她写得比这里其他任何女孩都认真。__________________________________________________=________________________________________________2.比任何其他的人或物都…（暗含最…的意思）比较级+thananyother+名单=比较级+thantheother+名复He

runs

faster

than

any

other

student

in

his

class.​He

runs

faster

than

the

other

students

in

his

class.​She

writes

more

carefully

than

any

other

girl

here.​She

writes

more

carefully

than

the

other

girls

here.​汽车跑得越来越快。____________________________________________他做作业越来越认真。____________________________________________3.越来越…•比较级+and+比较级•moreandmore+多音节副词原级The

car

runs

faster

and

faster.​She

does

her

homework

more

and

more

carefully.​你跑得越快，就会越累。____________________________________________________你学习越努力，学得就越好。____________________________________________________4.越…就越…the+比较级，the+比较级The

more

quickly

you

run,

the

more

tired

you

will

get.​The

harder

you

work,

the

better

you

will

learn.​李明在队里游得最快。___________________________________________他在工厂里工作最努力。___________________________________________1.最…（3者及其以上比较）the+最高级...of/in...注意1.最高级前的the可以省略。注意2.最高级一般用of或in来表示范围。Li

Ming

swims

the

most

quickly

in

the

team.​He

works

the

hardest

in

the

factory.​比较级最高级规则变化不规则变化+er/est去掉e,+er/est双写后，+er/esty变i后，+er/estmore/(the)most+原型good/well—better—bestbad/badly—worse—worstmany/much—more—mostlittle—less—least年纪大的：old—older—oldest较年长的：old—elder—eldest距离远：far—farther—farthest表程度：far—further—furthest比...：比较级+than比较级+thananyother+名单=比较级+t