DẠNG BỊ ĐỘNG CỦA ĐỘNG TỪ KHUYẾT THIẾU
I. Lý thuyết cách chuyển sang câu bị động của động từ khuyết thiếu
Active: S + can/will/have to... + V1 + O
→ Passive: S` + can/will/have to... + be V3,ed (+ by O`)
Active: S + can/will... +have V3,ed + O
→ Passive: S` + can/will... +have been V3,ed (+ by O`)
NOTE:
Không dùng: by them/people/someone/no one/me/you/him/her/it/us
nơi chốn + by O + thời gian
II. Luyện tập cách chuyển sang câu bị động của động từ khuyết thiếu
I/ Choose the best answer: active or passive
1. Jack has a right to know. He ...................the news immediately. If you don`t do it, I will.
A. ought to tell              
B. ought to be told            
C. may tell                
D. may be told
2. What I told Bill was a secret. He ..............it to you.
A. shouldn`t have repeated                                      
B. shouldn`t repeat (lặp lại)
C. shouldn`t be repeat                                            
D. shouldn`t have been repeated
3. A package ...............carefully before it is mailed.
A. has to be wrapped                                              
B. has to wrap (gói)
C. had to be wrapped                                              
D. had to wrap
4. I don`t know why Jessica wasn`t at the meeting. She .................about it.
A. must forget                                                        
B. must be forgotten
C. must have been forgotten                                    
D. must have forgotten
5. The games are open to anyone who wants to join in. Everyone .................
A. can be participated          
B. could be participated    
C. can participate            
D. could participate
6. This burnt out light bulb (bóng đèn cháy) .................days ago. Could you do it for me?
A. might be replaced                                                
B. might have been replaced
C. should have been replaced                                  
D. should be replaced
7. You`d better not drink that river water. It ................
A. could be polluted            
B. could pollute              
C. can be polluted            
D. can pollute
8. I think everyone .............this paperback (sách bìa mềm) on the economic crisis. It contains information that everyone should have.
A. should be read                
B. should read              
C. should have been read  
D. should have read
9. Your passport ................... It is invalid (vô hiệu lực) without your signature (chữ ký).
A. is supposed to sign (ký tên)                                  
B. is supposed to be signed
C. was supposed to sign                                            
D. was supposed to be signed
10. A bald eagle (đại bàng đầu trắng) ................from the other large birds by its white head and white tail.
A. can distinguish (phân biệt)                                      
B. can be distinguished
C. could distinguish                                                    
D. could be distinguished
11. When you are on duty (đang trực), your uniform (đồng phục) .................at all times (luôn)
A. must be worn                                                        
B. must wear
C. must have worn                                                      
D. must have been worn
II/ Change into passive:
1. You can`t wash this dress.
→.................................................................................................................
2. You should open the wine about 3 hours before you use it.
→.................................................................................................................
3. Members may keep books for 3 weeks.
→.................................................................................................................
4. Passengers shouldn`t throw away their tickets as inspectors (thanh tra) may check them during the journey.
→.................................................................................................................
5. We shall have to tow (lai dắt) the car to the garage.
→.................................................................................................................
6. Visitors must leave umbrellas (dù, ô) and sticks (gậy) in the cloakroom (phòng treo áo khoác).
→.................................................................................................................
7. You should have taken those books back to the library.
→.................................................................................................................
8. We cannot exchange articles (món hàng) which customers have bought during the sale.
→.................................................................................................................
9. You mustn`t move this man; he`s too ill.
→.................................................................................................................
10. When they have widened this street, the roar of the traffic will keep residents (cư dân) awake (thức) all night.
→.................................................................................................................
11. You will have to pull down (phá) this skyscraper (nhà chọc trời) as you have not complied with (tuân thủ) the town planning regulations (những quy định quy hoạch của thành phố).
→.................................................................................................................
12.They ought to have reported the accident to the police.
→.................................................................................................................
13. You must dry-clean it.
→.................................................................................................................
14. After that they must return them.
→.................................................................................................................
15. You`ll have to leave him here.
→..............................................................................................................…
III. Rewrite the sentence using modal verbs in passive.
1. Parents should give children a lot of love.
→..............................................................................................................…
Governments should