Unit 4 Inventions Grammar 课件(共25张PPT)

(共25张PPT)
英语（牛津版）
八年级 上册
Unit 4
Inventions
English
Grammar
Life without …
Let’s talk
写出下列形容词的比较级和最高级。
1. hot _________ _________
2. busy _________ _________
3. new_________ _________
4. wide ___________ _________
3. slowly______________ _________________
4. comfortable ___________________ ________________
hotter; the hottest
busier; the busiest
thinner; the thinnest
wider; the widest
more slowly; the most slowly
more comfortable; the most comfortable
Review the rules
Good, better, best.
Never let it rest.
Until your good is better and your better is best.
Grammar A good, bad and far
01
A1 Look at the school report below. In pairs, ask and answer questions about it.
Daisy got an 83 in Art.
Daisy's mark in Art.
got a better mark
Paul got a better mark in Science than Martin.
got a worse mark
Eric got a worse mark in Science than Alice.
got the worst mark
Eric got the worst mark in Science.
A2 Look at the map below. In pairs, ask and answer questions about it. Follow the example.
3 Whose home ..., Martin’s or Pauline’s
4 Whose home ..., Alice’s, Belinda’s or Eric’s
S1: Whose home is farther/further from school, Martin’s or Pauline’s
S2: Martin’s home is farther/further from school than Pauline’s.
S1: Whose home is the farthest/furthest from school, Alice’s, Belinda’s or
Eric’s
S2: Alice’s home is the farthest/furthest from school.
S1: Whose home is farther/further from Alice’s, Daisy’s or Paul’s
S2: Paul’s home is farther/further from Alice’s.
S1: Whose home is the farthest/furthest from Alice’s, Daisy’s, Paul’s or Eric’s
S2: Eric’s home is the furthest from Alice’s.
In pairs, ask and answer questions about the distances. Follow the example.
Adjectives Comparative forms Superlative forms
many/much more the most
little less the least
few fewer the fewest
But remember:
With light bulbs, people can do ______ things than before at night.
Oil lamps produce ______ light than light bulbs.
Carriages carry ______ passengers than trains.
Light bulbs produce ______ light than oil lamps.
more
more
less
fewer
Student Things the student has
Alice 30 storybooks, 7 notebooks,
3 packets of paper, 5 bottles of ink
Ben 27 storybooks, 8 notebooks,
2 packets of paper, 8 bottles of ink
Judy 21 storybooks, 12 notebooks,
1 packet of paper, 6 bottles of ink
Example:
Ben has ______ paper than Judy but ______ storybooks than Alice.
more
fewer
Complete the sentences with the comparative or superlative form of many, much, few and little.
Judy has _____ storybooks than Alice but _____ notebooks than Ben.
Ben has _____ ink than Judy but _____ paper than Alice.
Alice has _________ storybooks among/of the three students.
more
fewer
more
less
the most
Student Things the student has
Alice 30 storybooks, 7 notebooks,
3 packets of paper, 5 bottles of ink
Ben 27 storybooks, 8 notebooks,
2 packets of paper, 8 bottles of ink
Judy 21 storybooks, 12 notebooks,
1 packet of paper, 6 bottles of ink
Judy has _________ paper among/of the three students.
Alice has _________ notebooks among/of the three students.
Ben has _________ ink among/of the three students.
the most
the fewest
the least
Student Things the student has
Alice 30 storybooks, 7 notebooks,
3 packets of paper, 5 bottles of ink
Ben 27 storybooks, 8 notebooks,
2 packets of paper, 8 bottles of ink
Judy 21 storybooks, 12 notebooks,
1 packet of paper, 6 bottles of ink
The first computer was as big as a room.
With light bulbs, people can do as many things in the evenings as they can in the daytime.
Grammar B (not) as…as
02
many
much
We use (not)as… as to say that things or people are (not) equal in some way.
as + 形容词/副词原形＋ as :和……一样……
not as +形容词/副词＋as: 和……不一样…
Goofy is as tired as Minnie.
Mickey cannot skate as well as Minnie.
Make sentences
Mickey
Minnie
1. Mickey is ___________than Minnie.
2. Minnie is__________than Mickey.
3. Minnie is not as _________ as Mickey.
happier
sadder
happy
B1 Look at the pictures below and complete the following sentences.
is as high as
is not as deep as
are not as wide as
B2 Look at the table and the pictures below. Then complete the sentences with (not) as many/much ... as.
throw away as much
as
throw away as much
as
don’t throw away as much
as
don’t throw away as many
as
Student Things the student has
Lucy 25 storybooks, 2 notebooks,
5 packets of paper, 1 bottle of ink
Mary 25 storybooks, 2 notebooks,
5 packets of paper, 1 bottle of ink
Sandy 32 storybooks, 4 notebooks,
2 packets of paper, 5 bottles of ink
Example:
Mary doesn’t have as many storybooks as Sandy.
Talk about the things the students have with (not) as few/little/many/much… as.
Lucy has as many storybooks as Mary.
has as many as
doesn’t have as many as
1. We have learned how to use the comparative and superlative of
good, bad, and far.
2. We have learned how to use the pattern not as… as.
[注意] 形容词的比较级前面可以用much, even, a little, a lot等来修饰，最高级前面常有定冠词the。
1、用括号中所给单词的适当形式填空。
(1) Bill is _______ (young) than Frank, but he is _____ (tall) than Frank.
(2) A dictionary is much ______________ (expensive) than a storybook.
(3) Which is __________ (big), the apple, the orange or the pear
(4) — Is it 10 kilometres to the train station
— No, it’s ____________ (far). It’s about 25 kilometres.
younger
taller
more expensive
the biggest
farther
(5) He is ______ (bad) at Maths. He is much _________ (bad) at Chinese and
he is ___________ (bad) at English among all the subjects.
(6) We have a lovely room. It’s one of __________ (nice) in the hotel.
(7) Li Ping is one of the cleverest __________ (student) in our school.
(8) Of all the questions, this one seems to be _______________ (difficult) for me to answer
the nicest
students
the most difficult
bad
worse
the worst
2、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。
Tom made as many mistakes as I did.
This dress is twice as expensive as that one.
He is not as rich as Bill.