AV 8 Unit 15 Computers

CC181a CC 181
Date: ngày tháng
Time: giờ phút ∼ giờ phút
Name: ______________________
UNIT 15: COMPUTER
A. Present perfect tense with “already”
(Thì hiện tại hoàn thành với “already”)
Put the adverbs “already” into the correct
order
_ They have had breakfast (already).
→
I have already had breakfast.
1. Have you finished your homework? (already)
_____________________________________
2. Tom has cleaned the floor. (already)
_______________________________________
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 Already (đã … rồi): diễn tả hành động xảy ra
trong quá khứ, nhưng khi nhắc lại ở hiện tại không
nắm rõ thời gian. Already thường ở vị trí:
 Already thường được dùng trong câu xác
đònh và câu hỏi
_ I have already cleaned the room.
_ Have you already seen this film?
S + have / has + already + V
3

CC181b
Write sentences, using the present perfect with
already

_ I / eat / the fried chicken
→
I have already eaten the fried chicken.
1. Nam / turn / the computer on
_____________________________________
2. Minh / buy / some ice
_____________________________________
3. Mary / sleep
_____________________________________
4. Your children / start / school
_____________________________________
5. My father / have / lunch
_____________________________________
6. I / not receive / his letter
_____________________________________
7. The director / come / to the office
_____________________________________
8. We / hear / that news
_____________________________________
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CC182a CC 182
Put the verbs in brackets into the correct form
1. “What time is Sandra leaving?”
_ “She (already, leave) __________”
2. I (see) __________ that film last night.
3. In Britain schools (always, begin) __________
in September.
4. Tom (already, have) __________ lunch, so he
isn’t very hungry.

5. Marie (die) __________ at the age of 86, in
1964.
6. The sun (rise) __________ in the East.
7. They (buy) __________ a new car next month.
8. I (play) __________ football very often when I
was younger.
9. I (already, call) __________ and (tell)
__________ her to have lunch with us.
10. I (already / visit) __________ Hanoi.
11. She (already / finish) __________ the test.
12. I (wash) __________ the car last night.
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CC182b
B. Present perfect tense with “yet”
(Thì hiện tại hoàn thành với “yet”)

Rewrite the following sentences, using not…yet
_ He has finished his homework.
→
He hasn’t finished his homework yet.
1. Mary has come to Da Lat.
 _____________________________________
2. Tom has read that newspaper.
_____________________________________
3. I have seen this film.
_________________________________________________________________
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 Yet (chưa) được dùng trong câu phủ đònh và

câu hỏi
_ They haven’t received a letter from him yet.
(Họ chưa nhận được lá thư nào của anh ấy).
_ Have you gone to Da Lat yet?
(Bạn đi Đà Lạt chưa?)
CC183a CC 183
Supply the correct form
_ Ba’s mother: _______ you (finish) _______ your
homework yet, Ba?
_ Ba: Yes, I (finish) _______ it already, Mom.
_ Ba’s mother: Good! What about your room? Is it
tidied now?
_ Ba: I’m sorry, Mom. I (not, clean) _______ and
(tidy) _______ it yet.
_ Ba’s mother: Bad boy, Ba. And the washing
machine. _______ you (turn) _______ it off yet?
_ Ba: Don’t worry, Mom. I (turn) _______ it off
already.
_ Ba’s mother: _______ you (call) _______ and
(tell) _______ aunt Lan to have lunch with us
today?
_ Ba: Yes, she said she would come.
_ Ba’s mother: Alright!
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CC183b
Choose the best answer
1. John saw her old friend while she _______ the
street.
a. crossed b. is crossing c. was crossing

2. Last night, I was watching TV when the phone
_______.
a. rang b. was ringing c. is ringing
3. My computer _______ since last week.
a. hasn’t worked b. worked c. works
4. I _______ the letter.
a. already send b. have already sent
c. sent already
5. _______ you ever _______ to America yet?
a. Have / been b. Were / being
c. Were / been
6. They often _______ badminton after class.
a. played b. play c. have played
7. Her parents _______ in Washington at present.
a. live b. lived c. are living
8. We _______ to the beach next summer holiday.
a. won’t go b. don’t go c. didn’t go
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CC184a CC 184
Rewrite the following sentences
1. An ask Long “Do you want to have some tea?”
 An asked Long ________________________
2. She invites me to the party.
 I ___________________________________
3. He said to her “I will take you home”
 He told ______________________________
4. Do you mind my smoking?
 Do you mind if I _______________________
5. Höông said “I sometimes work on Sundays”

 Höông said ___________________________
6. I will go to HCM city. I want to meet my friend.
 I’ll go to HCM city in order to ____________
7. They will build a new bridge next year.
 A new bridge _________________________
8. They bought English books in that shop.
 English books _________________________
9. Nam is old. He can take part in this club.
 Nam is old enough_____________________
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CC184b
 Trong câu hỏi, “Yet” được dùng để hỏi
xem điều người nói mong đợi đã xảy ra chưa.
_ Has the postman come yet?
(Người đưa thư đã đến chưa?)
Change the following sentence into the
interrogative form, using “yet”
_ It has stopped raining.
→
Has it stopped raining yet ?
1. He has come to the party.
_____________________________________
2. Daisy has used the book.
_____________________________________
3. They have watched that film.
_____________________________________
4. She has found a good job.
_____________________________________
5. He has written an interesting novel.

 _____________________________________
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CC185a CC 185
Find out the mistakes from the underlined word
1. Don’t let your child playing with matches.
A B C D
2. The school agreed sending students on the field
A B C
trip.
D
3. I have cleaned already the floor, but I still need
A B C
to clean up the furniture.
D
4. He hasn’t been to yet Paris.
A B C D
5. While I watched TV, Mai was reading books last
A B C D
night.
6. He said he can fix the faucets the day before.
A B C D
7. Have you ever visit Hanoi Capital?
A B C D
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CC185b
Choose the best answer
1. He said that he _______ work harder.
a. has to b. had to c. must to

2. Tom will be _______ to the picnic.
a. invite b. invited c. inviting
3. Jill has decided not _______ a car.
a. to buy b. buying c. buy
4. Nga showed Nhi where _______ souvenirs.
a. buy b. bought c. to buy
5. She hasn’t finished her homework _______.
a. already b. yet c. also
6. America is a _______ country.
a. cars exporting b. car _ exporting
c. car _ export
7. At 9 o’clock yesterday we _______ on the
beach.
a. are lying b. lay c. were lying
8. I saw John when I _______ to school.
a. was going b. went c. have gone
9. _______ you ever heard the song “Heal the
world?”
a. Have b. Do c. Are
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CC186a CC 186
Date: ngày tháng
Time: giờ phút ~ giờ phút
Name: ___________________
UNIT 15: COMPUTER
 Review
Comparison of present perfect and simple tense
(So sánh thì hiện tại hoàn thành và thì quá khứ đơn)
 Thì hiện tại hoàn

thành dùng diễn tả hành
động bắt đầu ở quá khứ
và vẫn còn tiếp tục đến
hiện tại.
_ John has lived in Ha
Noi for 2 years.
 Thì hiện tại hoàn
thành dùng diễn tả
hành động đã xảy ra
trong quá khứ nhưng
“thời gian không xác
đònh”.
_ I’ve already done my
homework.
 Thì quá khứ đơn
dùng diễn tả một hành
động đã kết thúc trong
quá khứ.
_ He lived in Ha Noi in
2004.
 Thì quá khứ đơn
dùng diễn tả một hành
động đã kết thúc trong
quá khứ. (thời gian
xác đònh)
_ I did my homework
last night.
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CC186b

Using the present prefect tense to complete the
following sentences.
_ I (just / meet) him in the street.
→
I have just met him in the street.
1. He (already / go) __________ to the meeting.
2. I (not / read) __________ this newspaper yet.
3. He (just / arrive) __________ here.
4. She (not / tell) __________ me about that yet.
5. I (already / do) __________ my homework.
6. The children (just / visit) __________ their
grandfather.
7. Quyen (not / have) __________ breakfast yet,
so she is really hungry.
8. __________ he (meet) __________ you
before?
9. Mike is looking for his key. He (lose) _______
it.
10. My father (give) __________ up smoking.
11. She (not / see) __________ this film.
12. I (buy) __________ a new car.
13. Nam (already / go) __________ to the bank.
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CC187a CC 187
Choose the correct answer
_ I (have already seen / already saw) that film.
1. I (haven’t received / didn’t receive)
any letter from her yet.
2. He (wasn’t / hasn’t been) at work

yesterday.
3. Where (were you / have you been) born?
4. I (just bought / have just bought) a new
car. Do you like it?
5. Jane (left / has left) school in 2006.
6. The houses (built / were built) 100 years
ago.
7. He asked me if I (am / was) a new student.
8. Would you mind if I (carry / carried) your
luggage?
9. This house (will be built / will built) by
them next year.
10. Can you tell me where (does she / she
does).
11. We (are / have been) roommates in 2000.
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12. We (are / have been) roommates since 2000.
13. I (has just say / have just said) goodbye to him.
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CC187b
Put the verbs in bracket into the correct form
a. Ba: _______ you (see) _______ the film
“Jurassic Park” yet?
Nam: Yes, I have.
Ba: When _______ you (see) _______ it?
Nam: I (see) _______ it three months ago.
b. Loan: We (not / have) _______ a vacation
since last year.

Chi: Why not?
Loan: My parents (be) _______ very busy
since then.
c. Nga: _______ you (hear) _______ the news
about Nam yet?
Mai: No. What _______? (happen)
Nga: He (have) _______ an accident. He
was jogging. He suddenly (fall)
_______ and (break) _______ his leg.
d. Sung: _______ the plane (arrive) _______
yet?
Clerk: Yes, it has.
Sung: When _______ it (arrive) _______?
Clerk: It (arrive) _______ at the airport 2
hours ago.
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CC188a CC 188
Read the passage and choose the correct item
that best answers each of questions about it
The first computers were very large machines.
Now, computers come in all shapes and sizes.
There were still big computers for companies or
universities. There are other special computers for
factories. These large computers tell the factory
machines what to do. But there are also small
personal computers to use at home or in an office.
There are even computers in telephones, television
sets, and cars. These computers have to be very
small. They are so small, you can’t even see all

their parts.
1. The first computers were _______ machines.
a. huge b. large c. a & b d. none
2. There are computers _______.
a. for companies and universities
b. to use at home
c. in telephones, in television sets, and cars
d. all are correct
3. Which of the following is true?
a. Nowadays, there are only small computer
b. All modern computers are so small but you can’t
see all their part
c. Modern computers have the same size
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CC188b
Fill in the blank with “since” or “for”
_ I haven’t seen Nam for a long time.
1. His mother has been in hospital _______ a long
time and she can not go home yet.
2. Mary has learned English _______ she was 10
years old.
3. She hasn’t practiced speaking English _______
2 weeks.
4. She has come here _______ last Monday.
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 Note: “for” và “since” dùng trong thì hiện tại
hoàn thành
 For: được, khoảng (dùng trước 1 khoảng

thời gian)
_ I have lived in this city for two months.
 Since: từ khi (dùng trước 1 mốc thời gian)
_ I have been here since last week.
CC189a CC 189
 Passive voice of the present perfect
(thể bò động của thì hiện tại hoàn thành)
Active: S + have / has + V
3/ed
+ O
Passive: S + have / has + been + V
3/ed
+ by O
_ Mary has made these cakes.
→
These cakes have been made by Mary.
Change into passive voice
1. Someone has bought the land next to our house.
_____________________________________
2. They have just built a new church near my
house.
_____________________________________
3. Many people have used this machine for years.
_____________________________________
4. I have just bought a new shirt.
______________________________________
5. The police have found a wallet.
______________________________________
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CC189b
Change into passive voice
1. I clean the floor everyday.
_____________________________________
2. He has sent the letter since yesterday.
_____________________________________
3. She did this exercise two days ago.
_____________________________________
4. They will build a new supermarket next year.
_____________________________________
5. People can reuse a milk bottle thirty times.
_____________________________________
6. He hasn’t worn the jacket for years.
_____________________________________
7. My sister is baking the cakes at the moment.
_________________________________________________________________
8. I haven’t received her letter yet.
_____________________________________
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CC190a CC 190
Find out the mistakes from the underlined words
_ She already has read this book.
A B C
→
caâu B: has already read
1. My teacher has lived in this city since he has
A B C
been young.
2. I knew Jim when he was a child, but I didn’t see

A B C
him for many years.
3. Dr. Meier didn’t have lunch yet, so he is really
A B C
hungry.
4. How long did you learn English up to now?
A B C
5. John has come already to the office.
A B C
6. Two bottles of beer has been drunk by his father.
A B C
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CC190b
Choose the correct answer
1. “How long _______ Tom?” “Since we were
kids”
a. have you know b. have you known
c. did you know
2. The floor _______ up yet.
a. didn’t clean b. hasn’t cleaned
c. hasn’t been cleaned
3. Don’t disturb Amy. She _______ to sleep.
a. has just gone b. just went c. just go
4. I have lived in this city _______ 2 years.
a. since b. in c. for
5. Where _______ you _______ last night?
a. did / go b. have / gone c. do / go
6. The doorbell _______ while I was cooking the
dinner.

a. rings b. rang c. has rung
7. When I _______ young, I wanted to be a teacher
a. was b. were c. has been
8. I _______ him for ages.
a. haven’t saw b. don’t see
c. haven’t seen
9. I _______ a trip to Ha Noi recently.
a. took b. take c. have taken
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