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1. It is years since we last traveled abroad
-> We haven't traveled abroad for years.
2. I haven't watched TV for a week
-> The last time I watched TV is one week ago.
3. We bought this house 2 years ago
-> we have lived in this house for 2 years.
4. we have never met him before
-> it's the first time we have ever met him.
5. it started to rain at 2p.m
-> it has rained since 2p.m.
6. when did you start working here ?
-> how long have you worked here?
7. dave has written a composition for 2 hours
-> dave started to write a composition 2 hours ago.
8. how long have you been learning english ?
-> when did you start to learn english?
9. keith started driving a car five years ago
-> keith has driven a car for 5 years.
10. this is the first time i have ever eaten this kind of food
-> i have never eaten this kind of food.
1. It is years since we last traveled abroad
- We haven't travelled abroad for years
2. I haven't watched TV for a week
- The last time I watched TV was a week ago
3. We bought this house 2 years ago
- we have bought this house for 2 years
4. we have never met him before
- it's the first time we have met him
5. it started to rain at 2p.m
- it has rained since 2pm
6. when did you start working here ?
- how long have you worked here ?
7. dave has written a composition for 2 hours
- dave started writing a composition 2 hours ago
8. how long have you been learning english ?
- when did you learn English ?
9. keith started driving a car five years ago
- keith has driven a car for 5 years
10. this is the first time i have ever eaten this kind of food -
i have never ate this kind of food before
#Yumi
EXERCISE 7: Complete the sentences with must, should, need, needn’t, can, could, may, might
1. In Britain many children _______must_____ wear uniform when they go to school.
2. That restaurant _____must_________ be very good. It’s always full of people.
3. I think the government _____should_________ do more to help homeless people.
4. We have plenty of time for doing the work. We ______needn't________ be hurried.
5. You _________needn't_____ ring the bell; I have a key.
6. I __________must____ get up early tomorrow. There are a lot of things I want to do.
7. You ________needn't______ explain that again because I understand everything now.
8. I _______must_________ do that again. It’s my promise.
9. You ______should_______ take your umbrella along with you today. It ______may______ rain later on this afternoon.
10. You shouldn't have been absent from that important session.
Read the passage and choose the best answers :
TECHNOLOGY AND YOU
Computers ( 1) ........................ part of our daily lives . We visit shops , offices , and places of ( 2) ................. beauty with the help of computers . We pay bills prepared by computers . We read newspapers and magazines ( 3) ................... have been produced on computers . We receive letters from and send letters to almost every part of the world with the help of computers . And we can even learn foreign languages on computers .
What makes a computer such a miraculous device ? Each time you turn it on , with appropriate hardware and software , it is capable ( 4 ) ............................. almost anything you ask it to . It is a calculating machine which speeds ( 5 ) ............... calculations : it can add , subtract , multiply , and divide with lightning speed and perfect accuracy .
1. A . has become B. have become C . has became D . have becoming
2. A . scenic B . scene C . science D . since
3. A . what B . which C . who D . whom
4. A . to do B . of doing C . doing D . for doing
5. A . of B . to C . from D . up
Fill in each blank with suitable prepositions :
1. We went by car but the children went ............on........ foot .
2. Who was responsible ...............for............. all that noise last night ?
3. Most of the children come from large and poor families , which prevent them .........from......... having proper schooling .
4. It was certainly kind ...........of........ you to help me .
5. Thin gloves are not suitable ..........for........ that kind of job .
Phương pháp giải:
+ Câu khẳng định:
S (số nhiều) + have + V(pII)
S (số ít) + has + V(pII)
+ Câu phủ định:
S (số nhiều) + have + not + V(pII)
S (số ít) + has + V(pII)
+ Câu nghi vấn:
Have + S (số nhiều) + V(pII)?
Has + S (số ít) + V(pII)?
+ Dấu hiệu nhận biết thì Hiện tại hoàn thành:
for + N - quãng thời gian: trong khoảng
since + N - mốc thời gian: từ khi
Lời giải chi tiết:
1. How long has it supported poor children?
(Nó hỗ trợ trẻ em nghèo được bao lâu rồi?)
Giải thích: Trong câu hỏi có chủ ngữ “it” số ít nên ta thêm “has” vào trước chủ ngữ và động từ chính “support” được chia ở dạng V(pII) → has it supported.
2. It has helped raise awareness since 2010.
(Nó đã giúp nâng cao nhận thức kể từ năm 2010.)
Giải thích:
+ Trong câu có chủ ngữ “it” số ít nên ta thêm “has” vào sau chủ ngữ và động từ “help” được chia ở dạng V(pII). → It has helped.
+ 2010 là mốc thời gian cụ thể nên ta thêm “since” vào trước đó. → since 2010.
3. What else has it done?
(Nó đã làm những gì khác?)
Giải thích: Trong câu hỏi có chủ ngữ “it” số ít nên ta thêm “has” vào trước chủ ngữ và động từ chính “do” được chia ở dạng V(pII) → has it done.
4. The company has donated a lot of money to support conservation.
(Công ty đã quyên góp rất nhiều tiền để hỗ trợ việc bảo tồn.)
Giải thích: Chủ ngữ “the company” số ít nên ta thêm “has” vào sau chủ ngữ và động từ “donate” được chia ở dạng V(pII). → The company has donated.
5. It has provided food for homeless people for 70 years.
(Nó đã cung cấp thực phẩm cho những người vô gia cư trong 70 năm.)
Giải thích:
+ Trong câu có chủ ngữ “it” số ít nên ta thêm “has” vào sau chủ ngữ và động từ “provide” được chia ở dạng V(pII). → It has provided.
+ “70 years” là khoảng thời gian nên ta thêm “for” vào trước đó. → for 70 years.