内容正文:
CONTENTS
12-1 Using can
12-2 Pronunciation of can and can’t
12-3 Using can: questions
12-4 Using know how to
12-5 Using could: past of can
12-6 Using be able to
12-7 Using very and too + adjective
12-8 Using two, too, and to
12-9 More about prepositions: at and in for place
1
2
Tarifa is smart.
She can speak five languages.
12-1 USING CAN
2
3
Tarifa is smart.
She can speak five languages.
(b) I have some money.
I can buy a present for my mom.
(c) You are smart. You can fix cars.
can
ability
possibility
12-1 USING CAN
3
4
(d) CORRECT: Thelma can ride a bike.
12-1 USING CAN
simple form
of main verb
can
4
5
(d) CORRECT: Thelma can ride a bike.
(e) INCORRECT: Thelma can to ride a bike.
12-1 USING CAN
infinitive
with to
can
5
6
(d) CORRECT: Thelma can ride a bike.
(e) INCORRECT: Thelma can to ride a bike.
(f) INCORRECT: Thelma can rides a bike.
12-1 USING CAN
main verb – final -s
can
6
7
NEGATIVE:
can + not = can not or cannot
CONTRACTION:
can + not = can’t
(g) Rajiv can not snowboard.
Rajiv cannot snowboard.
Rajiv can’t snowboard.
12-1 USING CAN
7
8
A dog ___ swim.
can
12-1 Let’s Practice
can
can’t
8
9
can’t
A kitten ____ read.
12-1 Let’s Practice
can
can’t
9
10
A butterfly ____ dance.
can’t
12-1 Let’s Practice
can
can’t
10
11
Jonas can come to school with us.
12-2 PRONUNCIATION OF CAN AND CAN’T
11
12
(a) Jonas can come to school with us.
(b) Liv can’t come to school with us.
Can – pronounced “kun” /kən/
Can’t – pronounced as “ant” /kæ
nt/
12-2 PRONUNCIATION OF CAN AND CAN’T
12
13
Fish ____ swim.
Fish ____ fly.
12-2 Let’s Practice
can
can’t
can
can’t
13
14
Lions ___ roar.
Giraffes ____ roar.
12-2 Let’s Practice
can’t
can
can
can’t
14
15
Alia can speak Farsi.
Can you speak Farsi?
12-3 USING CAN: QUESTIONS
15
16
(a) Can you speak Farsi?
CAN + SUBJECT + MAIN
VERB
Yes, I can.
No, I can’t.
(b) Can Ida drive?
Yes, she can.
No, she can’t.
12-3 USING CAN: QUESTIONS
16
17
(c) Where can I walk my dog?
QUESTION + CAN + SUBJECT + MAIN
WORD VERB
In the park.
(d) When can we bake cookies?
On Saturday.
12-3 USING CAN: QUESTIONS
17
18
`
Inga can jump rope.
12-3 Let’s Practice
Yes, she can
Can Inga
jump rope
_________________?
__________.
18
19
Can Ari play the violin
Ari can’t play the violin.
12-3 Let’s Practice
No, he can’t
_________________?
__________.
19
20
I can bake a cake.
Can you bake a cake
12-3 Let’s Practice
Yes, I can
_____________________?
_________.
20
21
They know how to dance very well.
12-4 USING KNOW HOW TO
21
22
(a) They can dance.
(b) They know how to dance.
(c) Can you dance?
(d) Do you know how to dance?
know how to expresses ability
12-4 USING KNOW HOW TO
same
meaning
same
meaning
22
23
Yes, I do
.
Do you know
how to knit
12-4 Let’s Practice
know how to knit
.
___________________?
23
24
Yes,
I do
.
Do you know how to play golf
12-4 Let’s Practice
play golf
.
__________________________?
24
25
Do you know
how to get to
the library
get to the library
12-4 Let’s Practice
No,
I don’t.
.
________________________________?
25
26
I was in Maine last summer.
I could eat lobster every day.
12-5 USING COULD: PAST OF CAN
26
27
(a) I am in Maine.
I can eat lobster every day.
(b) I was in Maine last year.
I could eat lobster every day when
I was there.
could = past form of can
12-5 USING COULD: PAST OF CAN
27
28
(c) I can’t watch TV this afternoon.
I have to do my laundry.
(d) I could not watch TV last Friday.
I had to do my laundry.
I couldn’t watch TV last Friday.
NEGATIVE
could + not = couldn’t
12-5 USING COULD: PAST OF CAN
28
29
(e) Could you get to class before 9:00?
QUESTION
could + subject + main verb
12-5 USING COULD: PAST OF CAN
29
30
Last year we went to Thailand.
We _______ go swimming every day
could
12-5 Let’s Practice
could couldn’t
30
31
I _______ fix the heater because I didn’t have the right tools.
couldn’t
12-5 Let’s Practice
could
couldn’t
31
32
I _______ use the blue blanket because it
was dirty.
couldn’t
12-5 Let’s Practice
could couldn’t
32
33
I am able to read very fast.
12-6 USING BE ABLE TO
33
34
(a) I am able to read very fast.
(b) I can read very fast.
PRESENT
12-6 USING BE ABLE TO
same
meaning
34
35
FUTURE
(c) You will be able to go
home Monday.
(d) You can go home Monday.
12-6 USING BE ABLE TO
same
meaning
35
36
(e) I wasn’t able to watch a
movie last Saturday.
(f) I couldn’t watch a movie
last Saturday.
PAST
12-6 USING BE ABLE TO
same
meaning
36
37
Jen is deaf.
She ________ use sign language.
Jen is deaf.
She can use sign language.
12-6 Let’s Practice
be able to
is able to
37
38
He ___________ finish his work.
He couldn’t finish his work.
12-6 Let’s Practice
be able to
not
wasn’t able to
38
39
Goldfish ___________ sing.
Goldfish can’t sing.
12-6 Let’s Practice
be able to
not
aren’t able to
39
40
The homework is very long,
but you can do it.
12-7 USING VERY AND TOO + ADJECTIVE
40
41
(a) The paper is very long, but you can do it.
(b) The paper is too long. You can’t do it.
(c) The line is very long, but I can wait.
(d) The line is too long. I can’t wait.
12-7 USING VERY AND TOO + ADJECTIVE
very long = difficult but possible
too long = impossible
very
≠
too
41
42
(e) The line is too long.
12-7 USING VERY AND TOO + ADJECTIVE
NEGATIVE RESULT:
I can’t wait.
42
43
(f) These pants are too tight.
12-7 USING VERY AND TOO + ADJECTIVE
NEGATIVE RESULT:
I can’t wear them.
43
44
The mountain is ____ high, but he can climb it.
12-7 Let’s Practice
too very
That mountain is ___ high. He can’t climb it.
too
very
44
45
The race is ____ long, but he can finish it.
12-7 Let’s Practice
The race is ___ long. He can’t finish it.
too
very
too
very
45
46
The homework is ____ difficult, but she ____ do it.
The homework is ___ difficult. She ____ do it.
too
12-7 Let’s Practice
too
very
very
can’t
can
can’t
can
46
47
They have two pets.
12-8 USING TWO, TOO, AND TO
47
48
(a) They have two pets.
TWO
TWO
TOO
TO
same
pronunciation
TWO = a number
12-8 USING TWO, TOO, AND TO
48
49
(a) They have two pets.
(b) Ralph is too short to reach that.
too short = impossible to reach
because of height
(c) Ada likes music. I like it too.
too = also
TWO
TOO
12-8 USING TWO, TOO, AND TO
49
50
(a) They have two pets.
(b) Ralph is too short to reach that.
(c) Ada likes music. I like it too.
(d) I ran to school.
(e) They want to go to Africa.
TWO
TOO
TO
12-8 USING TWO, TOO, AND TO
to = part of an infinitive
to = a preposition
50
51
They are walking __ school.
to
12-8 Let’s Practice
two
too
to
51
52
We have ___ teenagers.
Kristie is going ___ college.
Ben is going ___ college ___.
two
to
too
to
12-8 Let’s Practice
two
too
to
52
53
My grandmother is ____ old
____ ski. My ____ aunts will
stay home with her.
too
to
two
12-8 Let’s Practice
two
too
to
53
54
Rhea is at work.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
54
55
(a) Rhea is at work.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
55
56
(a) Rhea is at work.
Anna is at home.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
56
57
(a) Rhea is at work.
Anna is at home.
Yumi is at school.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
57
58
at +
home
work
school
(a) Rhea is at work.
Anna is at home.
Yumi is at school.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
58
59
(b) Ruth is in bed.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
59
60
(b) Ruth is in bed.
Jim is in class.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
60
61
(b) Ruth is in bed.
Jim is in class.
Ralph is in jail.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
61
62
(b) Ruth is in bed.
Jim is in class.
Ralph is in jail.
in +
bed
class
jail/prison
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
62
63
(c) Ms. Kim is in the hospital.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
63
64
American English = in the hospital
British English = in hospital
(c) Ms. Kim is in the hospital.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
64
65
(d) Roger is in the kitchen.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
65
66
the kitchen
the classroom
the hall
my bedroom
in +
(d) Roger is in the kitchen.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
66
67
(e) Nathan is in Athens.
in +
cities
states/provinces
countries
continents
in Athens
in Vermont
in Spain
in Europe
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
67
68
used with
usually
at is
(f) A: Where’s Inga?
B: She isn’t here. She’s at the library.
the post office
the bank
the bookstore
the park
the theater
the
restaurant
the football
stadium
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
68
69
(g) Len is at the store.
Bea is in the store.
12-9 MORE ABOUT PREPOSITIONS: AT AND IN FOR
PLACE
69
70
No, he’s __ the store.
Is Len here?
at
12-9 Let’s Practice
at
in
70
71
She’s __ the garage.
Where’s Cindy?
in
12-9 Let’s Practice
at
in
71
72
No, she’s __ the hospital.
Is Lynn okay?
in
12-9 Let’s Practice
at
in
72
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