初中英语沪教牛津版（2024）八年级上册Module2 Science and technologyUnit 4 Inventions精品ppt课件

这是一份初中英语沪教牛津版（2024）八年级上册Module2 Science and technologyUnit 4 Inventions精品ppt课件，共32页。PPT课件主要包含了expensive，---eldest，---elder，---oldest，---older，old，---biggest，---bigger，big，healthy等内容，欢迎下载使用。
The cmparative f adjectives & The superlative f adjectives
Part I Review
e.g. big---bigger---biggest
1. 一般情况直接在形容词后 + er, est
e.g. small---smaller---smallest
2. 以不发音的 e 结尾的单音节形容词后 + r, st
e.g. large---larger---largest
3. 以一个辅音字母结尾的重读闭音节形容词，双写该 辅音字母 ＋er, est
Find the rules
4. 以辅音字母 ＋y 结尾的形容词去y + ier, iest
e.g. busy---busier---busiest
e.g. gd ---better---best bad ---wrse---wrst many / much---mre---mst little ---less---least far ---farther--- farthest ld ---lder---ldest far--- further--- furthest ld--- elder--- eldest
5. 部分双音节和全部多音节的形容词和副词，在前＋mre, mst
e.g. tired------mre tired-----mst tired expensive---mre expensive---mst expensive
6. 不规则形容词和副词的变化
注：lder 一般指年龄或新旧；　　　　　elder 指长幼关系（一般修饰名词）; elder brther / sister　 farther 指距离或时间上“更远的（地）” further 1）指距离或时间上“更远的（地）”， 可与 farther 互换 2）指程度上“更进一步；更深远”: I want t study English further.
---healthiest
---healthier
---easiest
---lightest
--- mst expensive
---mre expensive
--- mst valuable
--- mre valuable
---dirtiest
---smallest
---heaviest
---mst useful
---mre useful
---cheapest
Gd, better, best.Never let it rest. Until yur gd is better and yur better is best.
Grammar A gd, bad and far
Part II While-Learning
A1 Lk at the schl reprt belw. In pairs, ask and answer questins abut it.
Daisy gt an 83 in Art.
Daisy's mark in Art.
1. S1: Wh _________________ in Art, Belinda r Daisy? (gd) S2: ________________________________________.2. S1: Wh _______________ in Art? (gd) S2: _____________________________.
gt a better mark
Daisy gt a better mark in Art than Belinda.
gt a best mark
Alice gt the best mark in Art.
3. S1: Wh _________________ in Science, Paul r Martin? (gd) S2: ________________________________________.4. S1: Wh _________________ in Science, Eric r Alice? (bad) S2: ______________________________________.5. S1: Wh _________________ in Science? (bad) S2: __________________________________.
Eric gt a wrse mark in Science than Alice
gt the wrst mark
Eric gt the wrst mark in Science
Paul gt a better mark in Science than Martin
gt a wrse mark
A2 Lk at the map. In pairs, ask and answer questins abut it. Fllw the example.
3. S1: Whse hme is farther/further frm Alice's, Daisy's r Paul's? S2: Paul's hme is farther/further frm Alice's.4. S1: Whse hme is the farthest/furthest frm Alice's, Daisy's, Paul's r Eric's? S2: Eric's hme is the furthest frm Alice's.
But remember:
With light bulbs, peple can d ______ things than befre at night.
Oil lamps prduce ______ light than light bulbs.
Carriages carry ______ passengers than trains.
Light bulbs prduce ______ light than il lamps.
Example:Ben has ______ paper than Judy but ______ strybks than Alice.
Cmplete the sentences with the cmparative r superlative frm f many, much, few and little.
Judy has ______ strybks than Alice but _____ ntebks than Ben. Ben has _____ ink than Judy but _____ paper than Alice. Alice has _________ strybks amng/f the three students.
Judy has _________ paper amng/f the three students. Alice has _________ ntebks amng/f the three students. Ben has _________ ink amng/f the three students.
The first cmputer was as big as a rm.
With light bulbs, peple can d as many things in the evenings as they can in the daytime.
Grammar B (nt) as … as
The first cmputer was as big as a rm.With light bulbs, peple can d as many things in the evenings as they can in the daytime.A candle des nt prduce as much light as a light bulb.
We use (nt) as… as t say that things r peple are (nt) equal in sme way.
Wrk ut the rule
We use (nt) as…as with (the base frm/the cmparative) f adjectives t cmpare things and peple.We use (nt) as…as with _____________+ the plural frm f a cuntable nun r ___________+ an uncuntable nun t cmpare amunts.
as + 形容词/副词原形＋ as :和……一样……nt as +形容词/副词＋as: 和……不一样…
The by is as tired as the girl.
The girls can't run as fast as the by.
The by is _______than the girl. The girl is_______than the by. The girl is nt as ______ as the by.
Make senrences
The plane is _____than the train.The train is ______than the plane.The train is nt as ____as the plane.
The red case is ______________ than the black ne.The black case is ____________ than the red ne. It is ________.The black case is nt as _________ as the red ne.
mre expensive
less expensive
B1 Lk at the pictures belw and cmplete the fllwing sentences.
3. The Htwave ______________ (high) the Micr-King.4. The Micr-King ______________ (deep) the Speedck.5. The Htwave and the Micr-King ______________ (wide) the Speedck and the Superven.
is as high as
is nt as deep as
are nt as wide as
1. The Blacks ______________________ cans ____ the Brwns.2. The Whites _____________________ plastic ____ the Brwns.3. The Brwns _____________________ paper ____ the Blacks.4. The Greens ______________________ glass ____ the Whites.5. The Greens ______________________ cans ____ the Whites.
thrw away as many
thrw away as much
dn't thrw away as much
dn't thrw away as many
B2 Lk at the table and the pictures and cmplete the sentences with (nt) as many/much as.
Mary strybks Sandy.
Talk abut the things the students have with (nt) as few/little/many/much… as.
Lucy strybks Mary.
has as many as
desn't have as many as
desn't have as many as
Lucy has as many paper as Mary.
has as much as
Lucy has as many ink as Mary.
has as much as
Sandy paper Mary/Lucy.
desn't have as much as
Mary/Lucy ink Sandy.
desn't have as much as
Mary ink Lucy.
has as little as
Lucy ntebks Mary.
has as few as
Mary/Lucy ntebks Sandy.
一、选择最佳答案填空。( )1. The ppulatin f that city is three times ____ than the small twn's. A. large B. larger C. largest D. the largest( )2. This park is less ____ than that ne. A. wnderful B. mre wnderful C. mst wnderful D. the mst wnderful( )3. Of all the players, Jacky Chen plays ____. A. gd B. well C. better D. best( )4. After taking this medicine, he gt even ____. A. bad B. badly C. wrse D. wrst( )5. Melburne is ne f ____ cities in the wrld. A. beautiful B. mre beautiful C. mst beautiful D. the mst beautiful
Part III Pst-Learning
二、翻译下列句子。1.汤姆犯的错误和我犯的一样多。2.这件连衣裙比那件贵一倍。3.他并不像比尔一样那么有钱。
Tm made as many mistakes as I did.
This dress is twice as expensive as that ne.
He is nt as rich as Bill.